Relevant bibliographies by topics / Stratigraphic Geological mapping

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Academic literature on the topic 'Stratigraphic Geological mapping'

Author: Grafiati
Published: 4 June 2021
Last updated: 1 February 2022

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Journal articles on the topic "Stratigraphic Geological mapping"

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Seggie, R. J., S. C. Lang, N. M. Marshall, C. J. Cubitt, D. Alsop, R. Kirk, and S. Twartz. "INTEGRATED MULTI-DISCIPLINARY ANALYSIS OF THE RANKIN TREND GAS RESERVOIRS NORTH WEST SHELF, AUSTRALIA." APPEA Journal 47, no. 1 (2007): 55. http://dx.doi.org/10.1071/aj06003.

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An integrated geological study of the Rankin Trend of the North West Shelf, Australia, was undertaken to underpin the ongoing development of the giant gas fields it contains. The study applied an improved understanding ofthe regional stratigraphy in conjunction with interpretation of the regional-scale Demeter 3D seismic survey and focussed on existing fields, undeveloped discoveries, and exploration prospects. The study included a redescription of 1,500 m of core, a new facies-based petrological analysis, a revision of the well-based stratigraphy and palaeogeographic mapping, and a seismic stratigraphic analysis. Reservoir production and hydrodynamic data were also integrated. The stratigraphic framework was improved by implementing a broad range of depositional and facies analogues and a system-wide sequence stratigraphic approach to understanding lateral and vertical stacking patterns of the reservoir succession. Visualisation and modelling technologies were also employed to more adequately describe genetic reservoir packages.Specific outcomes include: improved correlation of reservoir sequences, application of appropriate subsurface depositional analogues to field descriptions, updated palaeogeographic maps and recognition of palaeosols as stratigraphic marker horizons—resulting in a more consistent regional interpretation framework. This forms the basis for seismic stratigraphic interpretation away from well control.The new regional geological model has enabled the linkage of exploration, development and production understanding across the North West Shelf assets as well as management of geological uncertainties.
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Kombrink, H., J. C. Doornenbal, E. J. T. Duin, M. den Dulk, J. H. ten Veen, and N. Witmans. "New insights into the geological structure of the Netherlands; results of a detailed mapping project." Netherlands Journal of Geosciences - Geologie en Mijnbouw 91, no. 4 (December 2012): 419–46. http://dx.doi.org/10.1017/s0016774600000329.

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AbstractA five years geological mapping project, in which the Netherlands Continental Shelf has been re-examined using all publicly available data, resulted in an important update of the existing dataset. The stratigraphy of over 400 wells has been re-interpreted. New depth and thickness grids, based mainly on the interpretation of 3D seismic data have been produced for the most important stratigraphic intervals from Permian Upper Rotliegend to Neogene. New reservoir grids describe the top, base and thickness of 30 (potential) reservoir units in the area. In addition, the uncertainty related to interpretation and further processing of the data has been assessed. This resulted in maps displaying the standard deviation for the depth of the main stratigraphic intervals. Based on these results and the data already available for the onshore area, an updated structural element map was made for the Netherlands.
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Birkenmajer, Krzysztof. "Polish Geological Research in Svalbard." Earth Sciences History 11, no. 2 (January 1, 1992): 81–87. http://dx.doi.org/10.17704/eshi.11.2.n2747185001nv261.

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The Polish geological investigations started in the Svalbard archipelago in 1934. The most diversified stratigraphic, tectonic, sedimentological and palacontological work, along with detailed geological mapping, was carried out in the Hornsund area, south Spitsbergen, between 1957 and 1960, in connection with the Illrd International Geophysical Year and its prolongation (International Geophysical Co-operation). Between 1962 and 1970, some Polish geologists worked in Spitsbergen for the Norwegian Polar Institute. From 1974 onwards, the Polish geological investigations extended from southern to central and eastern Spitsbergen. In south Spitsbergen, at Hornsund, they are based at the Polish Scientific Station built already in 1957, and renovated in 1978. The paper presents a review of mainly pre-Quaternary (Proterozoic through Tertiary) geological, structuraltectonic, petrological, stratigraphic, palaeontologiesl and sedimentologtcal problems of Svalbard elaborated by the Polish geologists.
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KROCHAK, Maryna. "МEMORIES ON THE FIELD COURSE IN GEOLOGICAL MAPPING." Ukrainian Geologist, no. 1-2(44-45) (June 30, 2021): 158–60. http://dx.doi.org/10.53087/ug.2021.1-2(44-45).238970.

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This article is a memory of the field course in geological mapping. It was a part of studying process of the author while her education at the Geology & Geophysics Department, Novosibirsk University. The practice took place in the 80s of the last century in the steppe region of the Khakassia Autonomous Region (Krasnoyarsk Territory, Russia) at the university’s geological training camp. The article features a technique of creating a geological map of the site. Geological strata were distinguished by lithological features. However, the instructors did not indicate the real geological age of the deposits to the students because it was believed that such information is unnecessary for them. The main task of students was to master the methods of geological mapping of an unknown territory. Students covered the site with routes along the cross of the strike of sediments. Students had to recognize these sediments, determine the area of their distribution, divide them into stratigraphic horizons and give them their own names. Then students marked the boundaries of the rock layers at outcrops and the elements of their occurrence on the topographic base. This original teaching method gave a positive result. Students have developed a geological map of the training site where certain stratigraphic horizons were shown with real bedding elements. This approach contributed to the independent creative work of students. Students felt themselves like pioneer geologists who came to this territory for the first time, conducted geological mapping and gave names to geological strata that are exposed. In addition, this method excluded the possibility of cheating and copying the existing real geological map. The article presents memories of the young nineteen-year-old student’s perception of the features of field geology, expeditionary life and collective work. With a certain degree of self-irony the author brings his thoughts, feelings and impressions of nature. The experience gained during this field practice has become the basis of the author’s professional skills and now helps us in educational process.
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Matano, Fabio, Silvio Di Nocera, Sara Criniti, and Salvatore Critelli. "Geology of the Epicentral Area of the November 23, 1980 Earthquake (Irpinia, Italy): New Stratigraphical, Structural and Petrological Constrains." Geosciences 10, no. 6 (June 25, 2020): 247. http://dx.doi.org/10.3390/geosciences10060247.

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The geology of the epicentral area of the 1980 earthquake (Irpinia-Lucania, Italy) is described with new stratigraphic, petrographic and structural data. Subsurface geological data have been collected during the studies for the excavation works of the Pavoncelli bis hydraulic tunnel, developing between Caposele and Conza della Campania in an area that was highly damaged during 1980 earthquake. Our approach includes geological, stratigraphic, structural studies, and petrological analyses of rock samples collected along the tunnel profile and in outcropping sections. Stratigraphic studies and detailed geological and structural mapping were carried out in about 200 km2 wide area. The main units cropping out have been studied and correlated in order to document the effects of tectonic changes during the orogenic evolution on the foreland basin systems and the sandstone detrital modes in this sector of the southern Apennines. The multi-disciplinary and updated datasets have allowed getting new insights on the tectono-stratigraphic evolution and stratigraphic architecture of the southern Apennines foreland basin system and on the structural and stratigraphic relations of Apennines tectonic units and timing of their kinematic evolution. They also allowed to better understand the relationships between internal and external basin units within the Apennine thrust belt and its tectonic evolution.
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Tracey, Joshua. "Surveying the Nomenclature of Geologic Time." Earth Sciences History 8, no. 2 (January 1, 1989): 183–89. http://dx.doi.org/10.17704/eshi.8.2.cv506tk65l518760.

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Publication in 1976 of the International Stratigraphic Guide climaxed a movement toward unification of nomenclature begun a century earlier when an American committee formed to promote an international meeting of geologists. American stratigraphic practice during the remainder of the 19th Century developed chiefly through the needs of the United States Geological Survey for uniform standards in geologic nomenclature and cartography. The requirement for maps which were usable by the intelligent layman for practical purposes led Directors King and Powell to emphasize the mapping of lithology, rather than time units delineated faunally. This approach was not universally accepted and led to bitter dispute. H. S. Williams and C. D. Walcott deserve credit for clarifying the distinction between terms for time and terms for rocks. Under Director Walcott, the 1890 codification of Powell was modified and formalized into the 1904 "Rules" of the U.S. Geological Survey. A major distinction was the placing in separate sections those rules concerned with lithologic units and those concerned with time and correlation. This dual classification, fundamental to all United States and North American stratigraphic codes during this century, has become a guiding principal in the international efforts at standardization of usage.
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Surlyk, F. "Tectonostratigraphy of North Greenland." Bulletin Grønlands Geologiske Undersøgelse 160 (January 1, 1991): 25–47. http://dx.doi.org/10.34194/bullggu.v160.6712.

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A coherent tectonic and stratigraphic picture of the geological evolution of North Greenland has emerged after a decade of systematic mapping and topical studies by the Geological Survey of Greenland (GGU) in cooperation with groups from the University of Copenhagen and various non-Danish institutions. These studies represent the culmination of a long exploration history, with field work often carried out under harsh conditions.
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Shubin, Mikhail. "Сartographic Provision of Monitoring of Engineering-Geological Processes on the Basis of GIS-Technologies." Natural Systems and Resources, no. 4 (December 2018): 64–69. http://dx.doi.org/10.15688/nsr.jvolsu.2018.4.8.

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Mapping information is needed when using geo-information technologies to develop a system of monitoring geological processes. The thematic basis of the engineering-geological map is a data Bank for assessing the state of the geological environment. The sources of the digital cartographic basis are remote sensing data and field survey materials. The data is included in the contents of the MapInfo working set. Engineering-geologic map consists of two thematic layers. The first layer - stratigraphic genetic complexes of surface deposits, their composition and physical and mechanical properties. The second layer is a characteristic of exogenous processes, including a description of the types, prevalence (scale) and intensity of manifestation separately for each group of processes: landslide, erosion, Aeolian, suffusion-karst, waterlogging and flooding. As an example, the map of soil density in MapInfo for the pipeline section is shown.
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Wang, Chengbin, Xinqing Wang, and Jianguo Chen. "Digital Geological Mapping to Facilitate Field Data Collection, Integration, and Map Production in Zhoukoudian, China." Applied Sciences 11, no. 11 (May 29, 2021): 5041. http://dx.doi.org/10.3390/app11115041.

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The development of innovative information technologies has improved the geological mapping process through the use of smart and portable equipment to collect field data, build a geological database and produce geological maps. This revolution has also brought great influence and challenges to practical training in field geology. In this paper, we present our workflow and application of the Digital Geological Survey System (DGSS) during field geology training for undergraduates in Zhoukoudian. The DGSS employs a Point-Routing-Boundary (PRB) model to reform the methods of geological section survey and geological mapping in terms of data collection and map-making and provides a pipelined solution from field data collection to map-making. The experiences of data collection, geological mapping, cross-section survey, and production of stratigraphic histograms and cross-section maps prove that DGSS can save time and reduce labor intensity for undergraduates during learning field geology. Based on the field practice of undergraduates in Zhoukoudian, the influence of the DGSS in promoting field geological teaching and the students’ feedbacks to DGSS are discussed. Overall, the DGM system is more popular than the conventional notebook and toolbox. The experience in Zhoukoudian proves that digital devices are efficient and useful for geological practical training of field geology for undergraduates.
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Paudyal, KR, LB Adhikari, N. Maharjan, and LP Paudel. "Geological setting and lithostratigraphy of Bandipur-Gondrang area of Lesser Himalaya, central Nepal." Bulletin of the Department of Geology 15 (January 21, 2013): 49–62. http://dx.doi.org/10.3126/bdg.v15i0.7417.

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Detailed geological mapping was carried out in the Bandipur-Gondrang area of Tanahun district to clarify the geological set up and stratigraphy of the area. Wherever possible, geological mapping is based on stratigraphic units proposed by Stocklin and Bhattarai (1977) in central Nepal and the present mapping is the west ward continuation from Mugling-Banspani area (Paudyal and Paudel, 2011). The study area comprises low grade metasedimentary rocks of Nawakot Complex. The rock succession of the area are divided into six formations as the Kunchha Formation, the Fagfog Quartzite, the Dandagaon Phyllite, the Nourpul Formation with four members, the Dhading Dolomite and the Benighat Slates in stratigraphic upwards. The former four formations belong to Upper Nawakot Group and the remaining one belongs to the Lower Nawakot Group of Nawakot Complex (Stöcklin and Bhattarai, 1977). Based on lithology, the Nourpul Formation is divided into the Purebensi Quartzite, the Amdanda Phyllite, the Labdi Khola Member and the Bandipur Slate from bottom to top respectively. The Purebensi Quartzite is lithologically distinct in the field; the Labdi Khola Member is significant with copper and iron mineralization in the area, and the Bandipur Slate is also significant with roofing quality slate, however, the Amdanda Phyllite is mapped as an intervening member between significant lithologies. The rocks of the present study area consist of several sedimentary structures like mud cracks, ripple marks, graded bedding and cross and parallel laminations. A broad Ghumaune- Gondran Synclinorium is mapped in the area. In addition to this, several anticlines and synclines are also mapped in the study area. Jalbhanjyang Thrust has brought the older metasedimentary rocks of the Nawakot Complex over the younger rocks of the same Complex. Some corrections are recommended over the distribution of previously shown lithological units by Stocklin and Bhattarai (1977) around the Ghumaune-Bhut Khola section. DOI: http://dx.doi.org/10.3126/bdg.v15i0.7417 Bulletin of the Department of Geology, Vol. 15, 2012, pp. 49-62
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Dissertations / Theses on the topic "Stratigraphic Geological mapping"

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Brinkerhoff, Alonzo Riley. "Mapping middle Paleozoic erosional and karstic patterns with 3-D seismic attributes and well data in the Arkoma Basin, Oklahoma /." Diss., CLICK HERE for online access, 2007. http://contentdm.lib.byu.edu/ETD/image/etd1868.pdf.

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Cavas, Matthew P. "THE QUATERNARY GEOLOGY AND SEQUENCE STRATIGRAPHY OF THE LAKE BONNEVILLE DEPOSITS IN THE MATLIN QUADRANGLE, BOX ELDER COUNTY, NORTHWESTERN UTAH." Ohio University / OhioLINK, 2003. http://www.ohiolink.edu/etd/view.cgi?ohiou1080586528.

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Bargel, Terje H. "Quaternary geological Mapping of Fennoscandia and Nordland : Deglaciation, Deposits, Stratigraphy and Applications." Doctoral thesis, Norwegian University of Science and Technology, Faculty of Engineering Science and Technology, 2003. http://urn.kb.se/resolve?urn=urn:nbn:no:ntnu:diva-1803.

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Quaternary geological mapping is performed by geological surveys in most countries. At the Geological Survey of Norway (NGU), mapping of the surficial deposits has been one of the main tasks from the establishment of the institution in 1858, in the beginning mainly as an aid for agriculture and forestry. During recent decades, society's needs for information on the Quaternary deposits has increased, particularly within the fields of environment and health, physical planning, economy and supply of natural resources.

Geological mapping is not looked upon as a science by everyone, but its results have often proved to be valuable in a scientific context as the extensive database the maps represent give valuable information, useful in, e.g. the study of regional trends. Geological mapping can, however, be regarded as a journey of discovery, which is the basis for most scientific research on the development of the earth's crust and which provides a framework with which all laboratory-based research must be compatible.

Much detail information is also recorded (analog or digital), for example the location of exposed sections in distant areas and details beyond the reach of aerial photo interpretation, e.g. in heavily forested areas or of objects too small to be identified on aerial photos or maps. In addition, much sedimentological and stratigraphical work has to be performed during the fieldwork in order to understand the genesis of the deposits. Creation of geological models of the areas is an important part of the mapping activity that is necessary for attainment of an understanding of the Quaternary geological history on a regional scale.

What could be criticized is the fact that the many mapping geologists involved have not used, or have had the opportunity to use, the enormous data at hand to do more science and to tell the layman what the results of the geological mapping mean.

This thesis is a contribution to understanding of the Quaternary geology of Central Fennoscandia with special emphasis on the Nordland area. The thesis has the following aims:

A. To compile four Quaternary geological maps of Central Fennoscandia (showing surficial deposits, geomorphology and paleohydrography, ice flow indicators and stratigraphy) and a Quaternary geological map of the surficial deposits of Nordland.

B. To create a link between the Quaternary geological maps, applications of the map-data and studies of Quaternary geological history (Part I).

C. To present a coordinated description of the five Quaternary geological maps and compile a review of the Late Weichselian and Early Holocene deglaciation history of the mapped area (Part II).

D. To identify areas for in-depth investigation of the deglaciation and to perform these studies (Part III).

A. COMPILATION OF QUATERNARY GEOLOGICAL MAPS

This thesis is based on the data included in five maps of Quaternary Geology (Fig. A1):

1. Quaternary Deposits of Central Fennoscandia (scale 1:1,000,000) (Fig. A2)

2. Glacial Geomorphology and Palaeohydrography of Central Fennoscandia (scale 1:1,000,000) (Fig. A3)

3. Ice-flow Indicators of Central Fennoscandia (scale 1:1,000,000) (Fig. A4)

4. Quaternary Stratigraphy of Central Fennoscandia (scale 1:2,000,000) (Fig. A4)

5. Quaternary Deposits in Nordland County (scale 1:400,000) (Fig. A5)


Due to copyright enclosures 1-5 are not included in the online version of this thesis, neither is the CD-ROM referred to in page 14.
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Summa, Michelle Carlene. "Geologic Mapping, Alluvial Stratigraphy, and Optically Stimulated Luminescence Dating of the Kanab Creek Area, Southern Utah." DigitalCommons@USU, 2009. https://digitalcommons.usu.edu/etd/506.

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At the turn of the century, Kanab Creek incised 30-meters into its alluvium, leaving behind fluvial terraces and thick basin fill sediments exposed along arroyo walls. Research objectives were to determine the timing and causes of past valley-filling and arroyo-cutting episodes along a 20 km-long reach of Kanab Creek in southern Utah. Fluvial deposits were mapped at the 1:12,000 scale and sediments were described and dated using Optically Stimulated Luminescence (OSL) and radiocarbon dating. The Kanab Creek valley can be divided into a narrow, upper terraced reach and a broad lower basin fill reach near Kanab, Utah. The most prominent terrace in the upper reach is Quaternary alluvial terrace 4 (Qat4), followed by Qat3, Qat2/3, and Qat2 map units. These are composed of tabular-bedded, fine-grained sand, silt, and clay layers. The Qat2/3 map unit is a both a fill and fill-cut terrace underlain by Qa4, Qa3, and Qa2 alluvium and is used when the Qat3 fill-cut (fill-strath) terrace can not be differentiated from the Qat2 fill terrace due to their similar geomorphic position. The Qat3 fill-cut terrace upstream correlates to ~8 meters of aggradation downstream. The youngest terrace, Qat1, is a minor terrace, composed of coarse-grained channel facies. More recent channel and floodplain deposits were deposited over the last century following arroyo cutting. OSL and radiocarbon results suggest at least four cycles of fluvial cutting and filling: >6-3.5ka (Qa4), ~3->1ka (Qa3), 0.7-0.12ka (Qa2), and post-1880 AD (Qa1). Correlation to regional climate records suggests major periods of aggradation correlate to regionally cooler and wetter climatic intervals. Periods of arroyo cutting occurred at >6ka, ~3ka, 1-0.7ka, and during historic arroyo cutting (1882-1914 AD), and correlate to regionally warmer, drier intervals. These periods of aggradation and incision are roughly contemporaneous with regional drainages, except for the large aggradation seen in Kanab Creek 6-3.5ka (Qa4). Analysis of terrace longitudinal profiles indicates Qat4 has the lowest concavity suggesting that Qat4 aggraded during a period of greater sediment supply and/or reduced flood regime. Although OSL samples exhibited some degree of incomplete zeroing, calculated ages using a minimum age model are consistent with radiocarbon results.
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Copfer, Torrey J. "Geology of the Deseret Peak East 7.5' Quadrangle, Tooele County, Utah, and Impacts for Hydrology of the Region." DigitalCommons@USU, 2003. https://digitalcommons.usu.edu/etd/6723.

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Detailed geologic mapping of the Deseret Peak East 7.5' Quadrangle yields new interpretations regarding the stratigraphy of the Oquirrh Basin, fault and fold geometry, and structural evolution of the region. The Stansbury Range consists of the north-southtrending Deseret anticline. Basal Mississippian units rest unconformably on Cambrian beds in the central part of the range. Paleozoic uplift, Mesozoic contraction, and Cenozoic extension have created a series of broad folds, large thrust faults, and several normal faults. The area is dominated by bedrock springs, with the presence of abundant and thick Quaternary deposits unrelated to Pleistocene glaciation, burying drainages, and mantling hillslopes. The influence of bedrock on groundwater flow paths and stream baseflow is suggested by local anecdotal reports that high snowfall in the Deseret Peak region generates high discharge ten miles south in Clover Creek, though they are not in the same drainage basin.
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Sexton, Joshua L. "LITHOLOGIC AND STRATIGRAPHIC COMPILATION OF NEAR-SURFACE SEDIMENTS FOR THE PADUCAH GASEOUS DIFFUSION PLANT, MCCRACKEN COUNTY, KY." UKnowledge, 2006. http://uknowledge.uky.edu/gradschool_theses/295.

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The Jackson Purchase region of western Kentucky consists of Coastal Plain sediments near the northern margin of the Mississippi Embayment. Within this region is the Paducah Gaseous Diffusion Plant (PGDP), a uranium enrichment facility operated by the US Department of Energy. At PGDP, a Superfund site, soil and groundwater studies have provided subsurface lithologic data from hundreds of monitoring wells and borings. Despite preliminary efforts by various contractors, these data have not been utilized to develop detailed stratigraphic correlations of sedimentary units across the study area. In addition, sedimentary exposures along streams in the vicinity of PGDP have not been systematically described beyond the relatively simple geologic quadrangle maps published by the US Geological Survey in 196667. This study integrates lithologic logs, other previous site-investigation data, and outcrop mapping to provide a compilation of near-surface lithologic and stratigraphic data for the PGDP area. A database of borehole data compiled during this study has been provided to PGDP for future research and archival. Developments in understanding near-surface geology include the adoption of nomenclature used by the Illinois State Geological Survey (ISGS), which separates the Continental Deposits into two distinct units, the Mounds Gravel and Metropolis Formation, based on their unique depositional histories. Additionally, faulting presented on the preliminary Joppa (IL) 7.5-minute quadrangle map, but not mapped on the Joppa (KY) 7.5-minute quadrangle map, appears to have impacted deposition of post-Eocene sediments at the site. These faults are co-linear to zones of irregularity noted in the Cretaceous McNairy Formation structure elevation map created during this study, thick zones of the Mounds Gravel noted in an isopach map from this study, and contaminant plume maps created previously by contractors.
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Webb, Casey Andrew. "Geologic Mapping of the Vernal NW Quadrangle, Uintah County, UT, and Stratigraphic Relationships of the Duchesne River Formation and Bishop Conglomerate." BYU ScholarsArchive, 2017. https://scholarsarchive.byu.edu/etd/6564.

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Detailed mapping (1:24,000), measured sections, and clast counts in conglomerates of the Duchesne River Formation and Bishop Conglomerate in the Vernal NW quadrangle in northeastern Utah reveal the middle Cenozoic stratigraphic geometry, the uplift and unroofing history of the eastern Uinta Mountains, and give evidence for the pulsed termination of Laramide uplift. The Unita Mountains are an EW-trending reverse fault bounded and basement-cored, Laramide uplift. The oldest unit of the Duchesne River Formation, the Eocene Brennan Basin Member, contains 80-90% Paleozoic clasts and <20% Precambrian clasts. Proximal to the Uinta uplift the conglomerates of this member are dominated by Paleozoic Madison Limestone clasts (70-90% of all clasts). Farther out into the basin, Paleozoic clasts still dominate in Brennan Basin Member conglomerates, but chert clasts are more abundant (up to 43%) showing the efficiency of erosion of the carbonate clasts over a short distance (~5 km). Conglomerates in the progressively younger Dry Gulch Creek, Lapoint, and Starr Flat members show a significant upward increase in Precambrian clasts with 34-73% Uinta Mountain Group and 8-63% Madison Limestone. Duchesne River Formation has a significant increase in coarse-grained deposits from the southern parts of the quadrangle (20-50% coarse) to the northern parts (75% coarse) nearer the Uinta uplift. The lower part of the Duchesne River Formation exhibits a fining upward sequence representing a tectonic lull. Clast count patterns show that pebbly channel deposits in the south maintain similar compositions to their alluvial fan counterparts. To the north, the fine-grained Lapoint and Dry Gulch Creek members of the Duchesne River Formation appear to pinch out completely. This can be explained by erosion of these fine-grained deposits or by lateral facies shifts before deposition of the next unit. Starr Flat Member conglomerates were deposited above Lapoint Member siltstones and represent southward progradation of alluvial fans away from the uplifting mountain front. Similarities in composition and sedimentary structures have caused confusion surrounding the contact between the Starr Flat Member and the overlying Bishop Conglomerate. Within the Vernal NW quadrangle, we interpret this contact as an angular unconformity (the Gilbert Peak Erosion Surface) developed on the uppermost tilted red siltstone of the Starr Flat Member sometime after 37.9 Ma. Stratigraphic and structural relationships reveal important details about the development of a Laramide mountain range: 1) sequential unroofing sequences in the Duchesne River Formation, 2) progradation of alluvial fans to form the Starr Flat Member, 3) and the unconformable nature of the Gilbert Peak Erosion Surface lead to the conclusion that there were at least 3 distinct episodes of uplift during the deposition of these formations. The last uplift episode upwarped the Starr Flat Member constraining the termination of Laramide uplift in the Uinta Mountains to be after deposition of the Starr Flat Member and prior to deposition of the horizontal Bishop Conglomerate starting at about 34 Ma. This, combined with 40Ar/39Ar ages of 39.4 Ma from the Dry Gulch Creek and Lapoint member, show that slab rollback related volcanism was occurring to the west while the Uinta Mountains were being uplifted on Laramide faults. These new 40Ar/39Ar ages constrain the timing of deposition and clarify stratigraphic relationships within the Duchesne River Formation; they suggest a significant unconformity of as much as 4 m.y. between the Duchesne River Formation and the overlying Bishop Conglomerate, which is 34-30 Ma in age, and show that Laramide uplift continued after 40 Ma in this region.
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Alderks, David O. "Unresolved Problems Involving the Hydrogeology and Sequence Stratigraphy of the Wasatch Plateau based on Mapping of the Wattis 7.5 Minute Quadrangle, Carbon and Emery Counties, Utah: Insights Gained from a New Geologic Map." Diss., CLICK HERE for online access, 2006. http://contentdm.lib.byu.edu/ETD/image/etd1199.pdf.

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Venieri, Marco. "Reservoir characterization of the Cardium Formation in the Ferrier Oilfield, west-central Alberta, Canada." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2016. http://amslaurea.unibo.it/10091/.

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This thesis has the main aim of defining the lithostratigraphy, depositional architecture, post-depositional modifications and reservoir characteristics of the Cardium Formation in the Ferrier Oilfield, and how these characteristics can have great impact over production rates, GOR and produced fluid discrimination. In the Ferrier area, the Cardium Formation is composed by a NE prograding clastic sequence made up of offshore to shoreface deposits sealed by marine shales. The main reservoir is composed by sandstones and conglomerates interpreted to have deposited in a shoreface depositional environment. Lithofacies and net reservoir thickness mapping led to more detailed understanding of the 3D reservoir architecture, and cross-sections shed light on the Cardium depositional architecture and post-deposition sediment erosion in the Ferrier area. Detailed core logging, thin section, SEM and CL analyses were used to study the mineralogy, texture and pore characterization of the Cardium reservoir, and three main compartments have been identified based on production data and reservoir characteristics. Finally, two situations showing odd production behaviour of the Cardium were resolved. This shed light on the effect of structural features and reservoir quality and thickness over hydrocarbon migration pathways. The Ferrier example offers a unique case of fluid discrimination in clastic reservoirs due both to depositional and post-depositional factors, and could be used as analogue for similar situations in the Western Canadian Sedimentary Basin.
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Anderson, Alvin D. "Geology of the Phil Pico Mountain Quadrangle, Daggett County, Utah, and Sweetwater County, Wyoming." Diss., CLICK HERE for online access, 2008. http://contentdm.lib.byu.edu/ETD/image/etd2384.pdf.

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Books on the topic "Stratigraphic Geological mapping"

1

Mint︠s︡, M. V. Geologicheskoe kartirovanie rannedokembriĭskikh kompleksov. Moskva: [s.n.], 1994.

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Petersen, Kaj Strand. A geological concept of the map sheet Rønde based on dynamic structures: Geological mapping of 1315 II, Rønde Djursland, Denmark. Copenhagen, Denmark: Geological Survey of Denmark, Ministry of the Environment, 1987.

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Ramsey, Kelvin W. Geology of the Old College Formation along the Fall Zone of Delaware. Newark, Del: University of Delaware, 2005.

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Ramsey, Kelvin W. Geology of the Old College Formation along the fall zone of Delaware. Newark, Del: University of Delaware, 2005.

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Rupp, John A. Structure and isopach maps of the Paleozoic rocks of Indiana. Bloomington, Ind: Dept. of Natural Resources, Geological Survey, 1991.

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Wray, Laura L. Late Cretaceous Fruitland Formation geologic mapping, outcrop measured sections and subsurface stratigraphic cross sections, northern La Plata County, Colorado. Denver, Colo: Colorado Geological Survey, Division of Minerals and Geology, Dept. of Natural Resources, 2000.

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Geological Survey (U.S.), ed. Elevation data for the precambrian surface in the central and southern Colorado plateau and vicinity. [Denver, CO]: U.S. Dept. of the Interior, U.S. Geological Survey, 1991.

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Devereux, Carter M., and Geological Survey (U.S.), eds. Geologic application of the Interactive Surface Modeling Program (ISM). Reston, Va: U.S. Dept. of the Interior, Geological Survey, 1986.

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Devereux, Carter M., and Geological Survey (U.S.), eds. Geologic application of the Interactive Surface Modeling Program (ISM). Reston, Va: U.S. Dept. of the Interior, Geological Survey, 1986.

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Devereux, Carter M., and Geological Survey (U.S.), eds. Geologic application of the Interactive Surface Modeling Program (ISM). Reston, Va: U.S. Dept. of the Interior, Geological Survey, 1986.

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Book chapters on the topic "Stratigraphic Geological mapping"

1

Lucchi, Federico, Claudio Antonio Tranne, and Piermaria Luigi Rossi. "Stratigraphic approach to geological mapping of the late Quaternary volcanic island of Lipari (Aeolian archipelago, southern Italy)." In Stratigraphy and Geology of Volcanic Areas. Geological Society of America, 2010. http://dx.doi.org/10.1130/2010.2464(01).

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Campbell, Newell P. "Structural and stratigraphic interpretation of rocks under the Yakima fold belt, Columbia Basin, based on recent surface mapping and well data." In Geological Society of America Special Papers, 209–22. Geological Society of America, 1989. http://dx.doi.org/10.1130/spe239-p209.

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Wagner, J. Ross, Alan Deino, Stephen W. Edwards, Andrei M. Sarna-Wojcicki, and Elmira Wan. "Miocene stratigraphy and structure of the East Bay Hills, California." In Regional Geology of Mount Diablo, California: Its Tectonic Evolution on the North America Plate Boundary. Geological Society of America, 2021. http://dx.doi.org/10.1130/2021.1217(15).

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ABSTRACT The structure and stratigraphy of the Miocene formations east of San Francisco Bay have been described in multiple studies for over a century. We integrated the results of past investigations and provide new data that improve understanding of formation age, the timing of deformation, and the amount of dextral displacement on selected faults. New geologic mapping and better age control show that formations previously inferred to be separate units of different ages are correlative, and new names are proposed for these units. Miocene structures associated with the development of the San Andreas transform system exerted significant control on Miocene deposition in the East Bay area. The developing structure created five distinct stratigraphic sections that are differentiated on the basis of differences in the stratigraphic sequence, lithology, and age. The stratigraphic changes are attributed to significant dextral displacement, syndepositional faulting, and distal interfingering of sediment from tectonically elevated source areas. New stratigraphic evaluations and age control show that prior to ca. 6 Ma, the developing fault system created local tectonically induced uplift as well as spatially restricted subbasins. Regional folding did not occur until after 6 Ma. Past evaluations have inferred significant dextral displacement on some of the faults in the East Bay. The spatial relationships between unique conglomerate clasts and known source areas, as well as the distribution of well-dated and unique tuffs, suggest that dextral displacement on some faults in the East Bay is less than previously reported.
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Genge, Matthew J. "The art of maps." In Geological Field Sketches and Illustrations, 227–39. Oxford University Press, 2019. http://dx.doi.org/10.1093/oso/9780198835929.003.0013.

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Geological maps record the exposure of different rock units at the surface and are crucial in determining the stratigraphy and structure of a region. Creating and interpreting geological maps are important skills for an Earth Scientist. This chapter describes the methods used in geological mapping, including the tactics involved during fieldwork and the conventions and symbols used to record data. The chapter illustrates the use of sketch maps during fieldwork to record high resolution observations in areas with complex geological relationships. Four examples of sketch map are given to demonstrate how they can be used in field notes to record spatially constrained observations.
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Datsenko, Liudmyla, and Serhii Kolomiiets. "GROUNDWATERS OF NIKOLSKOHO REGION (DONBASS): GEOLOGY, STRATIGRAPHY, HYDROGEOLOGY, TOPOGRAPHIC AND GEODESIC WORKS." In State, trends and prospects of land sciences, environment, physics, mathematics and statistics’ development (1st. ed). Primedia eLaunch LLC, 2020. http://dx.doi.org/10.36074/stplsepmad.ed-1.03.

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Arid regions of the south of Ukraine (Donetsk, Zaporizhia, Kherson regions) are facing an acute shortage of drinking and technical water, which consumption increases from year to year. A clear understanding of the shortage not only drinking water but also water for fish breeding, cultural and recreational needs is worrying the world scientific community. Understanding of hydrogeological, hydrogeochemical processes is important for groundwater protection, especially in arid regions of the world. The study area is located within the central part of the Priazovsk highland. Administratively, it belongs to Nikolsk Region (formerly Volodarsky Region) in Donetsk Region. There are four research periods in geological mapping and study of the Eastern and North-Western Priazovia region. The most important researches of the late last century include medium-size deep geological mapping of the North-Western and Eastern Priazovia, generalization of all geological materials of the previous researchers, obtaining data from stratigraphy, magmatism, tectonics and metallogeny, hydrogeology, which allowed to significantly clarify the geological structure of the region. The only possible centralized water supply source on the most part of the territory may be an aquifer of Proterozoic crystalline rocks. In the south-eastern part of the territory can be used Sarmatian sands, sandstones and limestone horizon, for the aquifer of crystalline rocks, the most water-rich is the tectonic disturbance zone with open fracturing.
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Cortés, A., V. H. Garduño, J. L. Macías, C. Navarro-Ochoa, J. C. Komorowski, R. Saucedo, and J. C. Gavilanes. "Geologic mapping of the Colima volcanic complex (Mexico) and implications for hazard assessment." In Stratigraphy and Geology of Volcanic Areas. Geological Society of America, 2010. http://dx.doi.org/10.1130/2010.2464(12).

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Amgaa, Tsolmon, Dieter Mader, Wolf Uwe Reimold, and Christian Koeberl. "Tabun Khara Obo impact crater, Mongolia: Geophysics, geology, petrography, and geochemistry." In Large Meteorite Impacts and Planetary Evolution VI. Geological Society of America, 2021. http://dx.doi.org/10.1130/2021.2550(04).

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ABSTRACT Tabun Khara Obo is the only currently known impact crater in Mongolia. The crater is centered at 44°07′50″N and 109°39′20″E in southeastern Mongolia. Tabun Khara Obo is a 1.3-km-diameter, simple bowl-shaped structure that is well visible in topography and clearly visible on remote-sensing images. The crater is located on a flat, elevated plateau composed of Carboniferous arc-related volcanic and volcanosedimentary rocks metamorphosed to upper amphibolite to greenschist facies (volcaniclastic sandstones, metagraywacke, quartz-feldspar–mica schist, and other schistose sedimentary rocks). Some geophysical data exist for the Tabun Khara Obo structure. The gravity data correlate well with topography. The −2.5–3 mGal anomaly is similar to that of other, similarly sized impact craters. A weak magnetic low over the crater area may be attributed to impact disruption of the regional trend. The Tabun Khara Obo crater is slightly oval in shape and is elongated perpendicular to the regional lithological and foliation trend in a northeasterly direction. This may be a result of crater modification, when rocks of the crater rim preferentially slumped along fracture planes parallel to the regional structural trend. Radial and tangential faults and fractures occur abundantly along the periphery of the crater. Breccias occur along the crater periphery as well, mostly in the E-NE parts of the structure. Monomict breccias form narrow (&lt;1 m) lenses, and polymict breccias cover the outer flank of the eastern crater rim. While geophysical and morphological data are consistent with expectations for an impact crater, no diagnostic evidence for shock metamorphism, such as planar deformation features or shatter cones, was demonstrated by earlier authors. As it is commonly difficult to find convincing impact evidence at small craters, we carried out further geological and geophysical work in 2005–2007 and drilling in 2007–2008. Surface mapping and sampling did not reveal structural, mineralogical, or geochemical evidence for an impact origin. In 2008, we drilled into the center of the crater to a maximum depth of 206 m, with 135 m of core recovery. From the top, the core consists of 3 m of eolian sand, 137 m of lake deposits (mud, evaporites), 34 m of lake deposits (gypsum with carbonate and mud), 11 m of polymict breccia (with greenschist and gneiss clasts), and 19 m of monomict breccia (brecciated quartz-feldspar–mica schist). The breccias start at 174 m depth as polymict breccias with angular clasts of different lithologies and gradually change downward to breccias constituting the dominant lithology, until finally grading into monomict breccia. At the bottom of the borehole, we noted strongly brecciated quartz-feldspar schist. The breccia cement also changes over this interval from gypsum and carbonate cement to fine-grained clastic matrix. Some quartz grains from breccia samples from 192, 194.2, 196.4, 199.3, 201.6, and 204 m depth showed planar deformation features with impact-characteristic orientations. This discovery of unambiguous shock features in drill core samples confirms the impact origin of the Tabun Khara Obo crater. The age of the structure is not yet known. Currently, it is only poorly constrained to post-Cretaceous on stratigraphic grounds.
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Conference papers on the topic "Stratigraphic Geological mapping"

1

Reka, D. ,. S. "Rembang Zone Petroleum Play, Stratigraphic and Petrographic Analysis of Ngrayong Formation as Reservoir, Jamprong Area, Tuban, East Java." In Digital Technical Conference. Indonesian Petroleum Association, 2020. http://dx.doi.org/10.29118/ipa20-sg-326.

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The following research took place in the Jamprong area, Tuban Regency, East Java Province within a study area of 2 km2. Physiographically, the study area is situated in the anticlinorium of the Rembang Zone. This research aims to define the reservoir potential of outcrop samples from the Ngrayong Formation as an analogue for the subsurface. In addition, the depositional environment and the age of the rock in the research area was determined. The Ngrayong Formation is regarded as a potential reservoir in the North East Java Basin. The accumulated data consists of stratigraphy, petrographic analysisand paleontological analysis of rock samples, and geological mapping has been carried out to determine the distribution of rocks. Facies were determined based on outcrop observations and comprise predominantly arkose sandstone facies with fine – coarse grained, moderately sorted and with cross-bedding, herringbone, and lamination, and another facies namely massive carbonate grainstone. Based on these facies, the interpreted depositional environment is the transition of tidal flat to shallow marine carbonate platform with relative biostratigraphic age of Middle Miocene, Langhian to Serravallian (M6-M8 planktonic foraminiferal biozones). Rocks in the study area have porosity >20% or very good and permeability >130 or fair based on petrographic observations, and this supports the interpretation of the Ngrayong Formations as a potential reservoir of hydrocarbons.
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Wilson, Sharon A., Alan D. Howard, and John A. Grant. "GEOLOGIC MAPPING AND STRATIGRAPHIC ANALYSIS OF ALLUVIAL FANS IN RODDY CRATER ON MARS." In GSA Annual Meeting in Seattle, Washington, USA - 2017. Geological Society of America, 2017. http://dx.doi.org/10.1130/abs/2017am-306814.

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Cofield, Shannon M., and Kathryn M. Stack. "GEOLOGIC MAPPING AND STRATIGRAPHIC ANALYSIS OF A CANDIDATE MARS 2020 LANDING SITE: JEZERO CRATER, MARS." In GSA Annual Meeting in Seattle, Washington, USA - 2017. Geological Society of America, 2017. http://dx.doi.org/10.1130/abs/2017am-306001.

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Weary, David J., Daniel H. Doctor, Randall C. Orndorff, and Mercer Parker. "SORTING STRATIGRAPHIC SPAGHETTI IN THE CONTEXT OF GEOLOGIC MAPPING: EXAMPLES FROM MAPPING IN THE MISSISSIPPIAN GREENBRIER GROUP AND BLUEFIELD FORMATION OF THE CENTRAL APPALACHIAN BASIN." In GSA Annual Meeting in Phoenix, Arizona, USA - 2019. Geological Society of America, 2019. http://dx.doi.org/10.1130/abs/2019am-336617.

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Weary, David J., and Daniel H. Doctor. "GEOLOGIC MAPPING AND STRATIGRAPHIC FRAMEWORK OF THE MISSISSIPPIAN GREENBRIER GROUP AND BLUEFIELD FORMATION IN THE MONROE COUNTY AREA OF WEST VIRGINIA." In Joint 69th Annual Southeastern / 55th Annual Northeastern GSA Section Meeting - 2020. Geological Society of America, 2020. http://dx.doi.org/10.1130/abs/2020se-344674.

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Milton, Jacob, and Paul Link. "GEOLOGIC MAPPING AND STRATIGRAPHIC CORRELATION OF NEOPROTEROZOIC TO LOWER ORDOVICIAN STRATA, CENTRAL LOST RIVER AND SOUTHERN LEMHI RANGES, EAST-CENTRAL IDAHO." In 72nd Annual GSA Rocky Mountain Section Meeting - 2020. Geological Society of America, 2020. http://dx.doi.org/10.1130/abs/2020rm-346833.

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Bishop, Mark Emmanuel, Wilson Lalla, and Xavier Ravi Moonan. "Evaluating the Lower Cruse and Navet Formations Within the Wd-8 Lease Operatorship Block." In SPE Trinidad and Tobago Section Energy Resources Conference. SPE, 2021. http://dx.doi.org/10.2118/200925-ms.

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Abstract Lease Operatorship block WD-8, lies within the Forest Reserve oilfield. Forest Reserve is known for having the ENE-WSW trending, south easterly verging Forest Reserve anticline which plunges into NW-SE trending Los Bajos Fault. Regionally to the south of the Forest Reserve anticline lies the south westerly plunging Siparia syncline and to the north of the Forest Reserve anticline is the Morne L′ Enfer syncline. WD-8 is situated on the northern flank of the Forest Reserve anticline with the axis of the anticline occurring within the southern part of the block. Prior to 2018, TETL last drilled within the WD-8 block in the year 2014. Drilling within the WD-8 block pre-2018 was mainly in the southern portion of the block. The year 2018 saw TETL drill five wells in the northern part of the WD-8 block. The results from these wells prompted an evaluation within the Northern portion of the WD-8 block to determine the structure and extent of the Lower Cruse and Navet reservoirs. Field wide mapping post 2018 drills within the block highlighted the sand trend at the Cruse level is in a WSW-ENE direction and that these sands in northern WD-8 are very narrow with maximum widths ranging between 100 ft – 150 ft. Additionally, it showed that by using a smaller well spacing, wells would encounter different producing sand bodies not seen in adjacent wells. Differences in the sand character between wells in the Southern part of the block to wells in the northern part of the block at the Lower Cruse level were also seen. The Lower Cruse section in the southern part of the WD-8 block tends to have thick stacked slope channel sand deposits, while the northern part of WD-8 has relatively thin stacked slope/base of slope channel deposits. Structurally, the presence of an ENE-WSW fault which separates the southern wells from the northern wells was also revealed. Abnormal stratigraphy was also found in Northern WD-8 where the Eocene Navet formation was encountered below the Late Miocene Lower Cruse formation. Two (2) wells in the northern portion of the block found the Navet formation resistive with only one well testing this reservoir. This then presents a new under exploited target reservoir with the block. Mapping of the Navet Formation indicates that this reservoir trends in a WSW-ENE direction. This updated geological model for the WD-8 block resulted in six infill developmental wells being identified to further exploit the remaining reserves within the Lower Cruse and Navet Formations in the WD-8 block.
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Brennan, Daniel T., David M. Pearson, and Paul K. Link. "RODINIA, RIFTING, AND THE RAMSHORN SLATE: GEOLOGIC MAPPING OF THE BAYHORSE AREA, CENTRAL IDAHO REASSIGNS THE AGE OF POORLY UNDERSTOOD STRATIGRAPHY FROM ORDOVICIAN TO NEOPROTEROZOIC." In GSA Annual Meeting in Seattle, Washington, USA - 2017. Geological Society of America, 2017. http://dx.doi.org/10.1130/abs/2017am-300056.

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Reports on the topic "Stratigraphic Geological mapping"

1

James, D. T. Geological Mapping of the Sleepy Dragon Complex and the Cameron River Metavolcanic Belt, Slave Province: Basement - Cover Stratigraphic and Structural Relations. Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 1992. http://dx.doi.org/10.4095/133327.

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Rainbird, R. H., J. A. Craven, E. C. Turner, V. A. Jackson, B J Fischer, M. Bouchard, J W Greenman, and T. Gibson. Reconnaissance geological mapping, stratigraphy and magnetotelluric survey of northern Brock Inlier, Northwest Territories. Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 2015. http://dx.doi.org/10.4095/297296.

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Henderson, Tim, Mincent Santucci, Tim Connors, and Justin Tweet. National Park Service geologic type section inventory: Chihuahuan Desert Inventory & Monitoring Network. National Park Service, April 2021. http://dx.doi.org/10.36967/nrr-2285306.

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A fundamental responsibility of the National Park Service is to ensure that park resources are preserved, protected, and managed in consideration of the resources themselves and for the benefit and enjoyment by the public. Through the inventory, monitoring, and study of park resources, we gain a greater understanding of the scope, significance, distribution, and management issues associated with these resources and their use. This baseline of natural resource information is available to inform park managers, scientists, stakeholders, and the public about the conditions of these resources and the factors or activities which may threaten or influence their stability. There are several different categories of geologic or stratigraphic units (supergroup, group, formation, member, bed) which represent a hierarchical system of classification. The mapping of stratigraphic units involves the evaluation of lithologies, bedding properties, thickness, geographic distribution, and other factors. If a new mappable geologic unit is identified, it may be described and named through a rigorously defined process that is standardized and codified by the professional geologic community (North American Commission on Stratigraphic Nomenclature 2005). In most instances when a new geologic unit such as a formation is described and named in the scientific literature, a specific and well-exposed section of the unit is designated as the type section or type locality (see Definitions). The type section is an important reference section for a named geologic unit which presents a relatively complete and representative profile for this unit. The type or reference section is important both historically and scientifically, and should be recorded such that other researchers may evaluate it in the future. Therefore, this inventory of geologic type sections in NPS areas is an important effort in documenting these locations in order that NPS staff recognize and protect these areas for future studies. The documentation of all geologic type sections throughout the 423 units of the NPS is an ambitious undertaking. The strategy for this project is to select a subset of parks to begin research for the occurrence of geologic type sections within particular parks. The focus adopted for completing the baseline inventories throughout the NPS was centered on the 32 inventory and monitoring networks (I&M) established during the late 1990s. The I&M networks are clusters of parks within a defined geographic area based on the ecoregions of North America (Fenneman 1946; Bailey 1976; Omernik 1987). These networks share similar physical resources (geology, hydrology, climate), biological resources (flora, fauna), and ecological characteristics. Specialists familiar with the resources and ecological parameters of the network, and associated parks, work with park staff to support network level activities (inventory, monitoring, research, data management). Adopting a network-based approach to inventories worked well when the NPS undertook paleontological resource inventories for the 32 I&M networks. The network approach is also being applied to the inventory for the geologic type sections in the NPS. The planning team from the NPS Geologic Resources Division who proposed and designed this inventory selected the Greater Yellowstone Inventory and Monitoring Network (GRYN) as the pilot network for initiating this project. Through the research undertaken to identify the geologic type sections within the parks of the GRYN, methodologies for data mining and reporting on these resources was established. Methodologies and reporting adopted for the GRYN have been used in the development of this type section inventory for the Chihuahuan Desert Inventory & Monitoring Network. The goal of this project is to consolidate information pertaining to geologic type sections which occur within NPS-administered areas, in order that this information is available throughout the NPS...
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Henderson, Tim, Vincent Santucci, Tim Connors, and Justin Tweet. National Park Service geologic type section inventory: Northern Colorado Plateau Inventory & Monitoring Network. National Park Service, April 2021. http://dx.doi.org/10.36967/nrr-2285337.

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A fundamental responsibility of the National Park Service (NPS) is to ensure that park resources are preserved, protected, and managed in consideration of the resources themselves and for the benefit and enjoyment by the public. Through the inventory, monitoring, and study of park resources, we gain a greater understanding of the scope, significance, distribution, and management issues associated with these resources and their use. This baseline of natural resource information is available to inform park managers, scientists, stakeholders, and the public about the conditions of these resources and the factors or activities which may threaten or influence their stability. There are several different categories of geologic or stratigraphic units (supergroup, group, formation, member, bed) which represent a hierarchical system of classification. The mapping of stratigraphic units involves the evaluation of lithologies, bedding properties, thickness, geographic distribution, and other factors. If a new mappable geologic unit is identified, it may be described and named through a rigorously defined process that is standardized and codified by the professional geologic community (North American Commission on Stratigraphic Nomenclature 2005). In most instances when a new geologic unit such as a formation is described and named in the scientific literature, a specific and well-exposed section of the unit is designated as the type section or type locality (see Definitions). The type section is an important reference section for a named geologic unit which presents a relatively complete and representative profile. The type or reference section is important both historically and scientifically, and should be available for other researchers to evaluate in the future. Therefore, this inventory of geologic type sections in NPS areas is an important effort in documenting these locations in order that NPS staff recognize and protect these areas for future studies. The documentation of all geologic type sections throughout the 423 units of the NPS is an ambitious undertaking. The strategy for this project is to select a subset of parks to begin research for the occurrence of geologic type sections within particular parks. The focus adopted for completing the baseline inventories throughout the NPS was centered on the 32 inventory and monitoring networks (I&M) established during the late 1990s. The I&M networks are clusters of parks within a defined geographic area based on the ecoregions of North America (Fenneman 1946; Bailey 1976; Omernik 1987). These networks share similar physical resources (geology, hydrology, climate), biological resources (flora, fauna), and ecological characteristics. Specialists familiar with the resources and ecological parameters of the network, and associated parks, work with park staff to support network level activities (inventory, monitoring, research, data management). Adopting a network-based approach to inventories worked well when the NPS undertook paleontological resource inventories for the 32 I&M networks. The network approach is also being applied to the inventory for the geologic type sections in the NPS. The planning team from the NPS Geologic Resources Division who proposed and designed this inventory selected the Greater Yellowstone Inventory and Monitoring Network (GRYN) as the pilot network for initiating this project. Through the research undertaken to identify the geologic type sections within the parks of the GRYN methodologies for data mining and reporting on these resources was established. Methodologies and reporting adopted for the GRYN have been used in the development of this type section inventory for the Northern Colorado Plateau Inventory & Monitoring Network. The goal of this project is to consolidate information pertaining to geologic type sections which occur within NPS-administered areas, in order that this information is available throughout the NPS...
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Henderson, Tim, Vincent Santucci, Tim Connors, and Justin Tweet. National Park Service geologic type section inventory: Klamath Inventory & Monitoring Network. National Park Service, July 2021. http://dx.doi.org/10.36967/nrr-2286915.

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A fundamental responsibility of the National Park Service (NPS) is to ensure that park resources are preserved, protected, and managed in consideration of the resources themselves and for the benefit and enjoyment by the public. Through the inventory, monitoring, and study of park resources, we gain a greater understanding of the scope, significance, distribution, and management issues associated with these resources and their use. This baseline of natural resource information is available to inform park managers, scientists, stakeholders, and the public about the conditions of these resources and the factors or activities which may threaten or influence their stability. There are several different categories of geologic or stratigraphic units (supergroup, group, formation, member, bed) which represent a hierarchical system of classification. The mapping of stratigraphic units involves the evaluation of lithologies, bedding properties, thickness, geographic distribution, and other factors. If a new mappable geologic unit is identified, it may be described and named through a rigorously defined process that is standardized and codified by the professional geologic community (North American Commission on Stratigraphic Nomenclature 2005). In most instances when a new geologic unit such as a formation is described and named in the scientific literature, a specific and well-exposed section of the unit is designated as the type section or type locality (see Definitions). The type section is an important reference section for a named geologic unit which presents a relatively complete and representative profile. The type or reference section is important both historically and scientifically, and should be protected and conserved for researchers to study and evaluate in the future. Therefore, this inventory of geologic type sections in NPS areas is an important effort in documenting these locations in order that NPS staff recognize and protect these areas for future studies. The documentation of all geologic type sections throughout the 423 units of the NPS is an ambitious undertaking. The strategy for this project is to select a subset of parks to begin research for the occurrence of geologic type sections within particular parks. The focus adopted for completing the baseline inventories throughout the NPS was centered on the 32 inventory and monitoring networks (I&M) established during the late 1990s. The I&M networks are clusters of parks within a defined geographic area based on the ecoregions of North America (Fenneman 1946; Bailey 1976; Omernik 1987). These networks share similar physical resources (geology, hydrology, climate), biological resources (flora, fauna), and ecological characteristics. Specialists familiar with the resources and ecological parameters of the network, and associated parks, work with park staff to support network level activities (inventory, monitoring, research, data management). Adopting a network-based approach to inventories worked well when the NPS undertook paleontological resource inventories for the 32 I&M networks. The network approach is also being applied to the inventory for the geologic type sections in the NPS. The planning team from the NPS Geologic Resources Division who proposed and designed this inventory selected the Greater Yellowstone Inventory and Monitoring Network (GRYN) as the pilot network for initiating this project. Through the research undertaken to identify the geologic type sections within the parks of the GRYN methodologies for data mining and reporting on these resources were established. Methodologies and reporting adopted for the GRYN have been used in the development of this type section inventory for the Klamath Inventory & Monitoring Network. The goal of this project is to consolidate information pertaining to geologic type sections which occur within NPS-administered areas, in order that this information is available throughout the NPS to inform park managers...
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Herriott, T. M., M. A. Wartes, R. J. Gillis, P. L. Decker, W. K. Wallace, A. M. Loveland, R. R. Reifenstuhl, and D. L. LePain. Detailed geologic mapping and overview of structural and stratigraphic studies in the east-central North Slope foothills, Alaska (poster): 3P Arctic, The Polar Petroleum Potential Conference, 30 August–2 September 2011, Halifax, Nova Scotia, Canada. Alaska Division of Geological & Geophysical Surveys, August 2011. http://dx.doi.org/10.14509/27041.

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Herriott, T. M., M. A. Wartes, P. L. Decker, W. K. Wallace, R. J. Gillis, R. R. Reifenstuhl, and G. G. Speeter. Structural and stratigraphic implications of detailed geologic mapping of Ellesmerian and Brookian units in the Echooka and Ivishak rivers region, east-central North Slope, Alaska (poster): AAPG Pacific Section Meeting, Anchorage, AK, May 10, 2011. Alaska Division of Geological & Geophysical Surveys, May 2011. http://dx.doi.org/10.14509/22802.

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