Relevant bibliographies by topics / Geology, Structural Tasmania, Northern

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  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers
  6. Reports

Academic literature on the topic 'Geology, Structural Tasmania, Northern'

Author: Grafiati
Published: 10 December 2022
Last updated: 19 July 2025

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Journal articles on the topic "Geology, Structural Tasmania, Northern"

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Cotching, W. E., J. Cooper, L. A. Sparrow, B. E. McCorkell, and W. Rowley. "Effects of agricultural management on dermosols in northern Tasmania." Soil Research 40, no. 1 (2002): 65. http://dx.doi.org/10.1071/sr01006.

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Attributes of 15 Tasmanian dermosols were assessed using field and laboratory techniques to determine changes associated with 3 typical forms of agricultural management: long-term pasture, cropping with shallow tillage using discs and tines, and cropping (including potatoes) with more rigorous and deeper tillage including deep ripping and powered implements. Soil organic carbon in the surface 75 mm was 7.0% under long-term pasture compared with 4.3% and 4.2% in cropped paddocks. Microbial biomass carbon concentrations were 217 mg/kg, 161 mg/kg, and 139 mg/kg, respectively. These differences were negatively correlated with the number of years cropped. Greater bulk densities were found in the surface layer of cropped paddocks but these were not associated with increased penetration resistance or decreased infiltration rate and are unlikely to impede root growth. Long-term pasture paddocks showed stronger structural development and had smaller clods than cropped paddocks. Vane shear strength and penetration resistance were lower in cropped paddocks than under long-term pasture. Many soil attributes showed no significant differences associated with management. Including potatoes in the rotation did not appear to affect these dermosols, which indicates a degree of robustness in these soils. clay loams, organic carbon, soil strength, aggregate stability, land management, cropping.
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Direen, N. G., and D. E. Leaman. "Geophysical Modelling of Structure and Tectonostratigraphic History of the Longford Basin, Northern Tasmania." Exploration Geophysics 28, no. 1-2 (1997): 29–33. http://dx.doi.org/10.1071/eg997029.

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Direen, N. G., and M. J. Roach. "Geophysical Indicators of Controls on Soil Salinisation and Implications, Longford Basin, Northern Tasmania." Exploration Geophysics 28, no. 1-2 (1997): 34–38. http://dx.doi.org/10.1071/eg997034.

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Van Moort, J. C., and D. W. Russell. "Electron spin resonance of auriferous and barren quartz at Beaconsfield, Northern Tasmania." Journal of Geochemical Exploration 27, no. 1-2 (1987): 227–37. http://dx.doi.org/10.1016/0375-6742(87)90021-5.

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Van Moort, J. C., and D. W. Russell. "Electron spin resonance of auriferous and barren quartz at beaconsfield, Northern Tasmania." Journal of Geochemical Exploration 27, no. 3 (1987): 227–37. http://dx.doi.org/10.1016/0375-6742(87)90153-1.

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Leaman, D. E., and R. G. Richardson. "Production of a residual gravity field map for Tasmania and some implications." Exploration Geophysics 20, no. 2 (1989): 181. http://dx.doi.org/10.1071/eg989181.

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The substantial gravity data base in Tasmania has been used to formulate a regional crustal model. This was derived by array modelling techniques for geological sources of crustal scale. A simultaneous solution for mantle, basement and granite forms was created by this means within a framework of realistic and internally consistent assumptions. The regional field derived from this geological model (including the ocean basins) is not dependent on any filtering or smoothing procedure and thus the magnitude and sign of any residuals is absolute. The residual map was produced by removing the effect of the crustal model at individual data points. The resultant map enables detailed and reliable modelling of upper crustal features as well as revealing crustal character hitherto concealed beneath post Carboniferous cover. An important example of the value of the residual separation is shown by the structural relationships exposed in NE Tasmania which involve gold mineralisation.
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de Salas, Miguel F., Matthew L. Baker, Lynette Cave, and Gintaras Kantvilas. "The botany of the Stony Head Training Area: new records for a biodiverse remnant in northern Tasmania, Australia." Proceedings of the Royal Society of Victoria 134, no. 2 (2023): 85–107. http://dx.doi.org/10.1071/rs22003.

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A flora survey of the Stony Head Training Area, northern Tasmania, was conducted in 2020–2021 as a collaboration between the Tasmanian Museum and Art Gallery’s Expeditions of Discovery and the Australian Biological Resources Study Bush Blitz programs. With a long historical use as an artillery range, the 5000-ha area contains a range of geologies, has a low profile with average elevations under 100 m asl, and its vegetation consists largely of heathy woodlands and coastal heathlands. It contains a range of relatively undisturbed, high-quality native habitats and populations of several threatened species. The survey targeted vascular plants, bryophytes and lichens, and recorded a total of 575 taxa. Nine lichens are new records for Tasmania — <i>Buellia hypostictella</i>, <i>Caloplaca gilfillaniorum</i>, <i>Cladonia subradiata</i>, <i>Graphis geraensis</i>, <i>Lecanora intumescens</i> and <i>Opegrapha diaphoriza</i> — all previously also known from mainland Australia, and <i>Micarea rhabdogena</i>, <i>M. xanthonica</i> and <i>Pseudothelomma ocellatum</i>, which represent first records for the Southern Hemisphere. Biogeographical and ecological patterns in the flora, the contribution of vegetation remnants to flora conservation, and the ongoing importance of surveys and alpha-taxonomy for documenting biodiversity are discussed. Our findings are consistent with a body of research showing a trend of healthy populations of threatened taxa within military training areas.
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MORLEY, C. K., N. SANGKUMARN, T. B. HOON, C. CHONGLAKMANI, and J. LAMBIASE. "Structural evolution of the Li Basin, northern Thailand." Journal of the Geological Society 157, no. 2 (2000): 483–92. http://dx.doi.org/10.1144/jgs.157.2.483.

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Fossen, Haakon, and Jonny Hesthammer. "Structural geology of the Gullfaks Field, northern North Sea." Geological Society, London, Special Publications 127, no. 1 (1998): 231–61. http://dx.doi.org/10.1144/gsl.sp.1998.127.01.16.

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Bendall, M. R., J. K. Volkman, D. E. Leaman, and C. F. Burrett. "RECENT DEVELOPMENTS IN EXPLORATION FOR OIL IN TASMANIA." APPEA Journal 31, no. 1 (1991): 74. http://dx.doi.org/10.1071/aj90007.

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Recent work on oil seeps, organic geochemistry, geophysics, structural geology and palaeontology suggests that there is considerable potential for onshore petroleum in Tasmania.Archival research has shown that hydrocarbon seeps were commonly reported in the first half of this century and that wildcats produced gas (at Port Sorell in the north) and oil (at Johnson's Well on Bruny Island, in the south). Almost all of the 270 historical hydrocarbon occurrences lie on lineaments revealed independently by gravity and magnetic surveys. The thermal maturity of conodonts from Ordovician and Siluro-Devonian carbonates suggests that much of the pre-Upper Carboniferous beneath the Tabberabberan unconformity is within the oil and gas windows.Organic geochemistry reveals a very close similarity between hydrocarbons from Ordovician limestones, those from the drill site at Bruny Island and with tar samples from the Tasmanian coast, but little similarity with the Permian Tasmanite Oil Shale, or with the Gippsland crudes and botryococcane-rich South Australian bitumens. The predominance of C27 steranes in Tasmanian bitumens suggests a widespread algal source and the abundant diasteranes imply a clay or silt-rich source that extends across much of Tasmania.Recent geophysical and structural work suggests that a thin skinned interpretation of Tasmania's structure is reasonable. Most sightings of hydrocarbons are associated with either faults or fractures which have post-Jurassic displacements or with intersections of major high angle faults with thrusts. The delineation of reservoirs within the thrust sheets is a priority.
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Dissertations / Theses on the topic "Geology, Structural Tasmania, Northern"

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Crook, Stephen R. "Structural Geology of the Northern Part of Elkhorn Mountain, Bannock Range, Idaho." DigitalCommons@USU, 1985. https://digitalcommons.usu.edu/etd/6677.

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Northern Elkhorn Mountain was unmapped previous to this investigation. The mapped area is located north of Malad City, Idaho, in the Bannock Range. It is within the Basin and Range Province. The mapped area measures 5.4 mi. in the north-south direction and 8.9 mi. in the east-west direction. The oldest exposed stratigraphic unit, within the mapped area, consists of orthoquartzite and is of Early Cambrian age. Cambrian formations of the mapped area, in ascending order, are as follows: Camelback Mountain Quartzite, Gibson Jack Formation, Elkhead Formation, Bloomington Formation, Nounan Formation, and St. Charles Formation. Units of Ordovician age are the Garden City and Swan Peak Formations. The youngest unit of Paleozoic age, found within the mapped area, is the Fish Haven-Laketown Formation of Ordovician-­Silurian age. Rock types comprising the Paleozoic units are orthoquartzite, limestone, dolostone, and shale. Tertiary units present, within the area, are the Salt Lake Formation and volcanic rocks with the composition of andesite. These units occur only in isolated parts of the mapped area. Colluvial and alluvial deposits of Quaternary age are present in the valley west of Elkhorn Mountain and in the southeastern and northeastern parts of the mapped area. Numerous high-angle normal faults dominate the structure of the area. They trend generally north and northwest. A major high-angle normal fault extends along the western side of Elkhorn Mountain and is responsible for the present topographic relief. Several small asymmetrical anticlines and a low-angle thrust fault are also present. The structural features, within the area, resulted from two major periods of crustal deformation. The first event was the Laramide orogeny. Compressional forces, generated during this event, produced the anticlines and the thrust fault. Movement was eastward. The second event was Basin and Range faulting. It produced the high­-angle normal faults. Basin and Range faultinq has been active from Oligocene to Holocene. The marginal normal fault, west of Elkhorn· Mountain, is probably active at the present time.
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Green, George Meredith 1964 Carleton University Dissertation Geology. "Detailed sedimentology of the Bowser Lake group, northern Bowser basin, north-central British Columbia." Ottawa.:, 1992.

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Sigler, Joshua T. "The metamorphic and structural evolution of the Davis Peak area, northern Park Range, Colorado." Laramie, Wyo. : University of Wyoming, 2008. http://proquest.umi.com/pqdweb?did=1798480831&sid=1&Fmt=2&clientId=18949&RQT=309&VName=PQD.

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Fitz-Gerald, Dudley Braden. "Evidence for an Archean Himalayan-style orogenic event in the northern Teton Range, Wyoming." Laramie, Wyo. : University of Wyoming, 2008. http://proquest.umi.com/pqdweb?did=1798480821&sid=1&Fmt=2&clientId=18949&RQT=309&VName=PQD.

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Valentino, David W. "Tectonics of the lower Susquehhanna River region, southeastern Pennsylvania and northern Maryland: late proterozoic rifting to late paleozoic dextral transpression." Diss., Virginia Tech, 1993. http://hdl.handle.net/10919/30108.

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Huang, Kuan. "Geological studies of igneous rocks and their relationships along the Kyrenia Range, Northern Cyprus." Click to view the E-thesis via HKUTO, 2008. http://sunzi.lib.hku.hk/hkuto/record/b40204030.

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Venn, Jonathan Andrew. "Structural and metamorphic evolution of the northern Margin of the Pelvoux Hassif, Hautes Alpes, France." Thesis, University of Bristol, 1992. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.358090.

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Nguyen, Phung T. "Structural geology and mineralization of the White Devil Mine, Tennant Creek, Northern Territory /." Title page, table of contents and abstract only, 1987. http://web4.library.adelaide.edu.au/thesis/09SB/09sbN576.pdf.

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Neves, Douglas Scott. "Footwall Deformation and Structural Analysis of the Footwall of the Willard Thrust Fault, Northern Wasatch Range, Utah." DigitalCommons@USU, 1989. https://digitalcommons.usu.edu/etd/5784.

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Deformation mechanisms in the footwall of the Willard thrust fault, northern Wasatch Range, Utah, change from dominantly plastic to dominantly cataclastic (both microscopically and macroscopically) in the Ophir Formation and Maxfield Limestone before the thrust begins to ramp laterally upsection southward, just to the north of the North Ogden Canyon field area. This transition in compressional deformation style and mechanism is located within a lateral distance of 3.2-kilometers along the 22-kilometer long trace of the thrust fault. Between Willard Canyon and North Ogden Canyon penetrative deformation is localized within 200 meters of the thrust surface and is characterized by transposed bedding, solution cleavage parallel to bedding, a northeast- to northwest-dipping foliation, and tight isoclinal folds with axes plunging generally northward. A fracture overprint in the footwall is present throughout the study area. The transition in deformation mechanism and style suggests that footwall deformation is dependent on the sensitive response of limestone and shale to increased pressure and temperature conditions and also the presence of a lateral ramp in the footwall of the Willard thrust. Data from a hangingwall sequence diagram and a stratigraphic displacement diagram suggest the Taylor and Ogden thrusts formed prior to the Willard thrust (the roof thrust) and their sequential geometrical evolution may have been influenced by preexisting rifts in the underlying crystalline basement rock. It is proposed that early Cretaceous movement of the Willard thrust sheet over the structurally lower and older Taylor and Ogden thrust sheets resulted in the formation of a recumbent syncline overturned to the east, a southward rising lateral ramp in the footwall of the Willard thrust, a lateral change in footwall deformation, and the anomalous east-west trending canyons that cut through the Willard thrust complex.
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Zhao, Jian-xin. "The geology, geochemistry and geochronology of the Atnarpa Igneous Complex, SE Arunta Inlier, northern Australia : implications for early to middle proterozoic tectonism and crustal evolution." Title page, contents and abstract only, 1989. http://web4.library.adelaide.edu.au/theses/09SM/09smz63.pdf.

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Books on the topic "Geology, Structural Tasmania, Northern"

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E, Moore T., and Geological Survey (U.S.), eds. Stratigraphy, structure, and geologic synthesis of northern Alaska. Dept. of the Interior, U.S. Geological Survey, 1992.

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S, Bosch Paul, Saudi Arabia. Deputy Ministry for Mineral Resources., and Geological Survey (U.S.), eds. Tectonic history of the northern Nabitah fault zone, Arabian Shield, Kingdom of Saudi Arabia. Dept. of the Interior, U.S. Geological Survey, 1990.

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M, Kohler W., Criley Edward, and Geological Survey (U.S.), eds. Data report for the PACE 1989 seismic refraction survey, northern Arizona. U.S. Dept. of the Interior, U.S. Geological Survey, 1994.

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1963-, Soreghan Michael J., and Gehrels George E, eds. Paleozoic and Triassic paleogeography and tectonics of Western Nevada and Northern California. Geological Society of America, 2000.

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Culver, Bradley Dwight, and Geological Survey (U.S.), eds. Migration of the Acadian orogen and foreland basin across the northern Appalachians. U.S. Dept. of the Interior, U.S. Geological Survey, 1998.

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Culver, Bradley Dwight, and Geological Survey (U.S.), eds. Migration of the Acadian orogen and foreland basin across the northern Appalachians. U.S. Dept. of the Interior, U.S. Geological Survey, 1998.

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McCarthy, T. S. Post-Transvaal structural features of the northern portion of the Witwatersrand Basin. Economic Geology Research Unit, University of the Witwatersrand, 1986.

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Drewes, Harald. Description and development of the Cordilleran Orogenic Belt in the southwestern United States and northern Mexico. U.S. G.P.O., 1991.

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Southworth, Scott. Kinematics of the Short Hill Fault--late Paleozoic contractional reactivation of an early Paleozoic extensional fault, Blue Ridge-South Mountain anticlinorium, northern Virginia and southern Maryland. U.S. G.P.O., 1995.

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Gregg, William J. Structural geology of parautochthonous and allochthonous terranes of the Penokean orogeny in Upper Michigan--comparisons with northern Appalachian tectonics. U.S. G.P.O., 1993.

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Book chapters on the topic "Geology, Structural Tasmania, Northern"

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Molli, Giancarlo. "Pre-orogenic High Temperature Shear Zones in an Ophiolite Complex (Bracco Massif, Northern Apennines, Italy)." In Petrology and Structural Geology. Springer Netherlands, 1995. http://dx.doi.org/10.1007/978-94-015-8585-9_6.

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Ali, Asghar, Sajjad Ahmad, Sajjad Ahmad, Mohammad AsifKhan, Muhammad Irfan Khan, and Gohar Rehman. "Tectonic Framework of Northern Pakistan from Himalaya to Karakoram." In Structural Geology and Tectonics Field Guidebook — Volume 1. Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-60143-0_12.

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Tripathy, Vikash, Satyapal, S. K. Mitra, and V. V. Sesha Sai. "Fold-Thrust Belt Architecture and Structural Evolution of the Northern Part of the Nallamalai Fold Belt, Cuddapah Basin, Andhra Pradesh, India." In Tectonics and Structural Geology: Indian Context. Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-99341-6_7.

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Findlay, R. H. "Structural geology of the Robertson Bay and Millen terranes, northern Victoria Land, Antarctica." In Geological Investigations in Northern Victoria Land. American Geophysical Union, 1986. http://dx.doi.org/10.1029/ar046p0091.

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Gaidi, Seifeddine, Guillermo Booth-Rea, José Vicente Pérez, et al. "Plio-Quaternary Shortening Structures in Northern Tunisia." In The Structural Geology Contribution to the Africa-Eurasia Geology: Basement and Reservoir Structure, Ore Mineralisation and Tectonic Modelling. Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-030-01455-1_55.

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Shallaly, N. A., and A. S. A. A. Abu Sharib. "Low Baric Metamorphic Belts in the Northern Tip of the Arabian–Nubian Shield: Selected Examples from the Eastern Desert/Midyan Terranes, Egypt." In Structural Geology and Tectonics Field Guidebook — Volume 1. Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-60143-0_9.

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Jiménez-Bonilla, Alejandro, Manuel Díaz-Azpiroz, Inmaculada Expósito, and Juan Carlos Balanyá. "Miocene-Quaternary Strain Partitioning and Relief Segmentation Along the Arcuate Betic Fold-and-Thrust Belt: A Field Trip Along the Western Gibraltar Arc Northern Branch (Southern Spain)." In Structural Geology and Tectonics Field Guidebook — Volume 1. Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-60143-0_4.

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Khomsi, Sami, Francois Roure, Najoua Ben Brahim, Chokri Maherssi, Mohamed Arab, and Mannoubi Khelil. "Structural Styles, Petroleum Habitat and Traps in the Pelagian-Sirt Basins, Northern Africa: An Overview and Future Exploration Developments." In The Structural Geology Contribution to the Africa-Eurasia Geology: Basement and Reservoir Structure, Ore Mineralisation and Tectonic Modelling. Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-030-01455-1_33.

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Petterson, Michael George. "Structural Geology of the Northern and North-Eastern Zone (N–NE Zone), Leh–Ladakh Region." In Himalayan Thick-Skin Basement Deformation of the Ladakh Batholith, Leh-Ladakh Region, NW India. Springer Nature Switzerland, 2023. http://dx.doi.org/10.1007/978-3-031-31566-4_5.

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Zouari, Achraf, Hedi Zouari, and Fehmy Belghouthi. "Aptian-Albian Diapirism and Compressional Tectonics Since Late Maastrichtian to Quaternary in Mateur-Tebourba Region (Northern Tunisian Atlas)." In The Structural Geology Contribution to the Africa-Eurasia Geology: Basement and Reservoir Structure, Ore Mineralisation and Tectonic Modelling. Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-030-01455-1_63.

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Conference papers on the topic "Geology, Structural Tasmania, Northern"

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Clark, Abigail F., John Weber, and Jeanette C. Arkle. "STRUCTURAL GEOLOGY AND CENOZOIC DEFORMATION: WESTERN NORTHERN RANGE, TRINIDAD." In Joint 56th Annual North-Central/ 71st Annual Southeastern Section Meeting - 2022. Geological Society of America, 2022. http://dx.doi.org/10.1130/abs/2022nc-375268.

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Verdel, Charles, Nigel Donnellan, Anett Weisheit, and Christine Edgoose. "New insights into the stratigraphy, structure and architecture of the Amadeus Basin." In Central Australian Basins Symposium IV. PESA, 2024. http://dx.doi.org/10.36404/lwlh5966.

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Projects conducted by the Northern Territory Geological Survey over the last several years have been aimed at improved understanding of the stratigraphy, structure and architecture of the Northern Territory portion of the Amadeus Basin. Of particular note are new insights into the Neoproterozoic stratigraphy and regional-scale structural geology of the basin. Stratigraphic nomenclature has recently been revised by the Northern Territory Geological Survey for Tonian, Cryogenian and Ediacaran strata of the Northern Territory portion of the basin. Additionally, a regional-scale structural and interpreted geology study of the western part of the Northern Territory Amadeus Basin has been completed. Additional stratigraphic and structural studies are planned for the eastern part of the basin. Results from these projects are relevant for evaluation of future Amadeus Basin activities including petroleum exploration, helium and hydrogen exploration, and CO2 sequestration.
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Witte, Jan, Daniel Trümpy, Jürgen Meßner, and Hans Georg Babies. "Petroleum Potential of Rift Basins in Northern Somalia – A Fresh Look." In SPE/AAPG Africa Energy and Technology Conference. SPE, 2016. http://dx.doi.org/10.2118/afrc-2573746-ms.

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ABSTRACT Several wells have encountered good oil shows in the rift basins of northern Somalia, however, without finding commercial hydrocarbons to date. It is widely accepted that these basins have a similar tectonic evolution and a comparable sedimentary fill as the highly productive rift basins in Yemen from which they have been separated by the opening of the Gulf of Aden (fully established in Mid Oligocene). We present new regional tectonic maps, new basement outcrop maps, a new structural transect and new play maps, specifically for the Odewayne, Nogal, Daroor and Socotra Basins. Digital terrain data, satellite images, surface geology maps (varying scales), oil seep/slick maps, potential data (gravity), well data from ~50 wells and data from scientific publications were compiled into a regional GIS-database, so that different data categories could be spatially analyzed. To set the tectonic framework, the outlines of the basins under investigation were re-mapped, paying particular attention to crystalline basement outcrops. A set of play maps was established. We recognize at least three source rocks, five reservoirs and at least three regional seals to be present in the area (not all continuously present). Numerous oil seeps are documented, particularly in the Nogal and Odewayne Basins, indicative of ongoing migration or re-migration. Data from exploration wells seem to further support the presence of active petroleum systems, especially in the central Nogal, western Nogal and central Daroor Basins. Our GIS-based data integration confirms that significant hydrocarbon potential remains in the established rift basins, such as the Nogal and Daroor Basins. Additionally, there are a number of less known satellite basins (on and offshore) which can be mapped out and that remain completely undrilled. All of these basins have to be considered frontier basins, due to their poorly understood geology, remoteness, marketing issues and missing oil infrastructure, making the economic risks significant. However, we believe that through acquisition of new seismic data, geochemical analysis, basin modelling and, ultimately, exploration drilling these risks can be mitigated to a point where the economic risks become acceptable. We encourage explorers to conduct regional basin analysis, data integration, a GIS-based approach and modern structural geology concepts to tackle key issues, such as trap architecture, structural timing, migration pathways and breaching risks.
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Marcelli, Marina, Erick Burns, Andrew Meigs, and Donald S. Sweetkind. "IMPLICATIONS OF STRUCTURAL GEOLOGY AND VOLCANISM FOR THE REGIONAL HYDROLOGY IN THE PIT RIVER DRAINAGE BASIN, NORTHERN CALIFORNIA, USA." In 115th Annual GSA Cordilleran Section Meeting - 2019. Geological Society of America, 2019. http://dx.doi.org/10.1130/abs/2019cd-329683.

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Ellen, H., Abdulla AlAli, A. T. Ajayi, and H. Guney. "Applied Sequence Stratigraphy Combined with Geological Modeling of the Greater Cheleken Area (Central Caspian Basin, Turkmenistan) Using New 3D OBN Acquisition to Reveal Channel Complex Systems from Delta to Deepwater Environments in Plio-Pleistocene Clastic Reservoirs." In ADIPEC. SPE, 2024. http://dx.doi.org/10.2118/222672-ms.

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Abstract The Greater Cheleken Area (GCA) reservoirs, developed offshore by Dragon Oil, are located along a complex NW-SE dextral transcurrent zone that separates the Northern and Southern Caspian Basins (SCB). This area hosts numerous hydrocarbon fields within thick, highly faulted Pliocene-Pleistocene clastic successions of the paleo-Amu-Darya Delta System, originating in the N-Balkan Fold Belt. We present a new model for the geological evolution of this region, based on the analysis and sequence stratigraphy interpretation of new 3D OBN seismic data, well logs, and integration with existing published data. With the new 3D OBN acquisition, Dragon Oil has both PSTM and PSDM data for analysis, employing a sequence stratigraphy approach. Horizon markers have been defined using sequence boundaries and flooding surface markers for detailed interpretation. The seismic data reveals promising geological features from the Apsheron to the red bed series reservoir levels. Seismic sequence stratigraphy has identified various stratigraphic components, such as basin floor fans, channel levees, and prograding deltas. Fault interpretation has revealed faults extending from the Miocene level to younger levels of the Apsheron, exhibiting typical positive flower structure configurations. Unconformity-bound sequences of alternating sandstones and shales, with limited limestones, conglomerates, and evaporites, are deposited in environments ranging from shallow marine, delta front, and delta plain to alluvial, lacustrine, and deepwater. These sequences include the Uppermost Miocene to Lower Pliocene Red Series (Lower, Middle, Upper Red Series), Upper Pliocene Akchagyl Formation, Lower Pleistocene Apsheron Formation, and Upper Pleistocene to Holocene, comprising twelve productive levels. Hundreds to thousands of mappable faults are connected to deep-seated shear zones and exhibit fault-sealing characteristics that create highly compartmentalized reservoirs with vertical and horizontal separations. These faults vary in shape and size and display continuous Pliocene-Pleistocene syn-sedimentary activity, including sediment thickness heterogeneities, pinch-outs, lateral facies changes, channel structures, and inversion structures. The sedimentary complexity as well as structural geology configuration described through the new 3D OBN data provides fundamental insights into the major challenges in reservoir production strategies and opens new opportunities for exploration and appraisal.
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Salah, Mohamed, and Ramy Raafat Ahmed. "Velocity Modelling and Depth Conversion Uncertainty Mitigation in GS327 Oil Field, in Gulf of Suez Basin." In GOTECH. SPE, 2025. https://doi.org/10.2118/224602-ms.

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Abstract The Gulf of Suez rift initiated in the Late Oligocene, probably propagating northwards, and intersecting a major east-west structural boundary of Late Eocene age at the latitude of Suez City. North of Suez, extension was more diffuse but mostly focused on the Manzala rift that is presently buried beneath the Nile Delta. Earliest syn-rift, mainly continental sediments (Chattian-Aquitanian) consisted of red beds containing minor basalts. Marine Oligocene strata are presently only proven from the southernmost Gulf, at the juncture with the northern Red Sea. By the Aquitanian, a shallow to marginal marine environment prevailed in most of the rift. The prolonged Burdigalian sea-level rise enabled marine waters to flow freely between the Mediterranean Sea and the Gulf of Suez, resulting in deposition of thick Globigerina shales and deep-water carbonates. During the Langhian and early Serravallian, rapid eustatic sea-level changes resulted in pronounced facies changes within the rift. During the late Serravallian there was a significant fall in sea-levels. The Mediterranean water connection was either completely or intermittently blocked, leading to deposition of evaporites in the central and southern Gulf subbasins. Thick halite sections accumulated in the Late Miocene, and later loading resulted in the formation of salt diapirs and salt walls. Normal marine conditions were re-established during the Pliocene, but waters were then provided by the Red Sea – Gulf of Aden connection to the Indian Ocean, and a permanent land-barrier separated the Gulf of Suez from the Mediterranean. Analysis of fault geometries, fault kinematics and sedimentation patterns indicate that rift-normal extension predominated throughout the Oligocene to Early Middle Miocene evolution of the rift. In the Middle Miocene, the Gulf of Aqaba transform boundary was established, linking the Red Sea rift plate boundary to the convergent Bitlis-Zagros plate boundary. This resulted in a dramatic decrease in extension rates across the Gulf of Suez and a clockwise rotation of stress fields in Sinai. During the Late Pleistocene, the intra-Gulf of Suez extension direction rotated counter-clockwise to N15°E.As common in GOS fields, the zone of interest is below SGH-Evapraites stratigraphic section and the trapping mechanism is structural trap, and the main producing reservoirs are Miocene clastics reservoirs, the late Cenozoic Gulf of Suez basin is one of the best exposed and studied examples of a continental rift. Several recent models of rift geometry and evolution have relied heavily on data and concepts derived here (e.g., Bosworth, 1994; Bosence, 1998). The Gulf of Suez was the first rift basin in which large-scale, along-axis segmentation into subbasins by accommodation zones was clearly recognised (Moustafa, 1976), has served as one of the premier models for Miocene carbonate platform development (James et al., 1988; Burchette, 1988; Cross et al., 1998), and is recognised as a superb example of the interplay between sedimentation and extensional fault development (Gawthorpe et al., 1997; Sharp et al., 2000 a, b). Recent studies evaluated the relative roles of hard- and soft-transfer in intra-basin fault linkage, and the significance of pre-rift structures in controlling the style of linkage (McClay et al., 1998; McClay and Khalil, 1998; Younes and McClay, 1998). The Gulf of Suez is also one of the best examples of the integration of outcrop and subsurface data to enhance hydrocarbon exploration and exploitation (Gawthorpe et al., 1990; Patton et al., 1994; Sharp et al., 2000 a, b). Despite these positive and important developments, we believe that two issues have not been satisfactorily addressed. First, no comprehensive analysis and integration of all areas of the rift has been published, in spite of abundant new stratigraphic and structural data for parts of the basin (e.g., Richardson and Arthur, 1988; Hughes et al., 1992; Patton et al., 1994; Bosworth, 1995; McClay et al., 1998). Specifically, the major differences in the tectonostratigraphic histories of the southern and central rift basins have never been adequately addressed. Second, despite the use of many aspects of outcrop and subsurface geology of this basin as a model for other rift settings, this extrapolation has not considered all the dominant factors that controlled overall evolution of the Gulf. Some of these factors, such as the activation of the Aqaba transform boundary, are actually specific to the geographical and temporal position of the basin, and may make some aspects of this rift unsuitable for a general model. Structurally The NW-trending Gulf of Suez is about 300 km long, and the complete rift basin, including the on-shore border fault systems, varies in width from about 50 km at its northern end to about 90 km at its southern end where it merges with the Red Sea, this has been traditionally referred to as the "Clysmic" rift, after the ancient Roman settlement of Clysma that occupied the present site of the city of Suez (Hume, 1921; Robson, 1971). The rift is characterised by a zigzag fault pattern, composed of N-S to NNE-SSW, E-W and NW-SE striking extensional fault systems both at the rift borders and within the rift basins (Garfunkel and Bartov, 1977; Jarrige et al., 1986; Moretti and Chénet, 1987; Colletta et al., 1988; Meshref, 1990; Moustafa, 1993; Patton et al., 1994; Schutz, 1994; Bosworth, 1995; Montenat et al., 1998; McClay et al., 1998). The field of study GS327 locates in the central of Gulf of Suez rift basin; it is one f different oil-producing fields in this basin fig (2). In 2020 a drilling campaign have been done by Gulf of Suez petroleum company, which included exploration, appraisal, and development wells, achieved excellent results across all activities. The campaign's success ratio was notably high, that leading to a substantial addition to the company’s reserves and contributing significantly to overall production growth.
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Kumari, B., D. Chatterjee, S. Kumar Singh, K. Gollapudi v s, S. Somasundaram, and S. Chakraborty. "Maximizing Hydrocarbon Potential in Marginal Field Using Data Integration Techniques, A Case Study from the Saraswati Field, Barmer Basin, India." In ADIPEC. SPE, 2023. http://dx.doi.org/10.2118/216198-ms.

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Abstract Saraswati Field, located in south-central part of hydrocarbon prolific Barmer Basin is a marginal field and has been developed with a cautious approach to address high degree of uncertainty. The paper summarizes the robust workflow considered for a complete phased re-development approach by leveraging state-of-the-art multi-disciplinary data integration techniques aiming to access the true potential through maximizing the productivity while mitigating uncertainties associated with reservoir characterization for minimizing risk. The stratigraphy of the Saraswati field can be divided into five different zones based on sedimentological analysis, Barmer Hill, Fatehgarh Zone-1, Fatehgarh Zone-2, Ghaggar Hakra Zone-1, and Ghaggar Hakra Zone-2. The primary focus of this paper is Fatehgarh Zone-1 reservoir, which is a mix of sandstones and shale deposited following a major hiatus / non-deposition of Late Cretaceous age. The upliftment and erosion lead to thinning of Fatehgarh towards northern part of the field. A conceptual geological model was prepared in the light of data integration technique including reprocessed seismic data, resulting in improved structural and stratigraphic control. Detailed core studies have provided a better understanding of lithofacies, leading to a substantial increase in net-to-gross. Additionally, production data revealed that the well is drawing oil from a larger volume, further supporting the geological model's assumptions. A customized seismic reprocessing flow helped in enhancing the frequency content with better temporal resolution and higher signal to noise ratio. Furthermore, the seismic attribute study of the Fatehgarh interval had established that the sand prone zones are characterized by low RMS amplitude, which was also confirmed by low instantaneous frequency and low amplitude in the Spectral Decomposition study. Core data analysis in Fatehgarh formation suggested presence of considerably more reservoir facies in the system compared to what is visible in wireline log. Drill cuttings data from wells across the field also indicated presence of higher proportion of sand and silt. Image Log data supports this fact indicating presence of thin bed pay which are beyond log scale resolution. Based on the production performance of Saraswati field, material balance model was worked upon considering production data and shut-in pressure for Saraswati wells for back calculating the in-place volume. The stabilized shut-in pressure in producer wells draining from Fatehgarh reservoir have indicated a three times upside in STOIIP for Fatehgarh reservoir. An updated static model was prepared capturing all the above- mentioned studies which results in nearly three times upside in the STOIIP estimation and opens opportunity for further development plan with more confidence on reservoir distribution. The project has successfully integrated multi-disciplinary information from Geology, Geophysics, Petrophysics and Reservoir Engineering, by creating a comprehensive framework for the associated uncertainties of the marginal field with limited well penetrations. Through this synchronization, the project has achieved critical inputs towards a full field development with implementation of newer concepts like planning near horizontal well with hydrofracking for thin bed reservoir to unlock the full potential.
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Reports on the topic "Geology, Structural Tasmania, Northern"

1

Patterson, K. M., K. Powis, R. A. Sutherland, and E. C. Turner. Stratigraphy and structural geology, Nanisivik area, northern Baffin Island, Nunavut. Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 2003. http://dx.doi.org/10.4095/214509.

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Hynes, G. F., J. M. Dixon, and L. S. Lane. Structural geology of the northern Liard Range, Franklin Mountains, Northwest Territories. Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 2002. http://dx.doi.org/10.4095/213065.

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Paktunc, A. D., and J. W. F. Ketchum. Petrology, Structural Geology, and Gold Mineralization of the Elmtree Mafic Body, northern New Brunswick. Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 1989. http://dx.doi.org/10.4095/126564.

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4

van Kranendonk, M. J., L. Godin, F. C. Mengel, et al. Geology and structural development of the Archean to Paleoproterozoic Burwell Domain, northern Torngat Orogen, Labrador and Québec. Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 1993. http://dx.doi.org/10.4095/134260.

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Young, M. D., H. Sandeman, F. Berniolles, and P. M. Gertzbein. A preliminary stratigraphic and structural geology framework for the Archean Mary River Group, northern Baffin Island, Nunavut. Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 2004. http://dx.doi.org/10.4095/215376.

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Sherlock, R. L., R. L. Carpenter, and C. Quang. Volcanic stratigraphy, structural geology, and gold mineralization in the Wolverine-Doris corridor, northern Hope Bay volcanic belt, Nunavut. Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 2003. http://dx.doi.org/10.4095/214189.

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Van Kranendonk, M. J., and D. Scott. Preliminary report on the geology and structural evolution of the Komaktorvik Zone of the early Proterozoic Torngat Orogen, Eclipse Harbour area, northern Labrador. Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 1992. http://dx.doi.org/10.4095/132849.

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Lane, L. S., and M. P. Cecile. Bedrock geology, Mount Hare, Yukon, NTS 116-I/9. Natural Resources Canada/CMSS/Information Management, 2021. http://dx.doi.org/10.4095/290067.

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The Mount Hare map area extends across the western limb of the Richardson anticlinorium in the southern Richardson Mountains, northern Yukon. It is underlain by four Paleozoic sedimentary successions: middle Cambrian Slats Creek Formation, middle Cambrian to Early Devonian Road River Group, Devonian Canol Formation, and Late Devonian to Carboniferous Imperial and Tuttle formations. The Richardson trough depositional setting of the first three successions is succeeded by a deep-marine, turbiditic Ellesmerian orogenic foredeep setting for the Imperial-Tuttle succession. The carbonate-dominated Road River Group defines a west-dipping homocline which is transected by oblique transverse faults in its upper part. In the overlying Imperial-Tuttle succession, map-scale folds can be defined where shales are interbedded with thick persistent sandstone units. The structural geometry reflects Cretaceous-Cenozoic regional Cordilleran tectonism.
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Lane, L. S. Bedrock geology, Mount Raymond, Yukon, NTS 116-I/8. Natural Resources Canada/CMSS/Information Management, 2022. http://dx.doi.org/10.4095/329963.

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The Mount Raymond map area incorporates the western limb of the Richardson anticlinorium, southern Richardson Mountains, northern Yukon. It is underlain by four Paleozoic sedimentary successions: middle Cambrian Slats Creek Formation, Cambrian to Early Devonian Road River Group, Devonian Canol Formation, and Late Devonian to Carboniferous Imperial and Tuttle formations. The Richardson trough depositional setting of the first three successions is succeeded by a deep-marine, turbiditic, Ellesmerian, orogenic foredeep setting for the Imperial-Tuttle succession. Several major thrust faults and related folds transect the map area from north to south. The carbonate-dominated Road River Group defines a west-dipping homocline, modified by the Mount Raymond thrust fault together with minor folds in its footwall. In the overlying Imperial-Tuttle succession, map-scale folds are defined where shales are interbedded with persistent sandstones. Steep reverse faults in the east may have reactivated Cambrian rift faults. The structural geometry reflects Late Cretaceous-Cenozoic regional Cordilleran tectonism.
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Lane, L. S., and S. Zhao. Bedrock geology, Mount Huley and Mount Harbottle, Yukon, NTS 116-G/15 and 16. Natural Resources Canada/CMSS/Information Management, 2023. http://dx.doi.org/10.4095/329451.

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This map encompasses two 1:50 000 scale map areas at the southw estern margin of Eagle Plain sedimentary basin, in the northern Canadian Cordillera. The eastern part is underlain by the Upper Cretaceous Park in, Fishing Branch, Burnthill Creek , and Cody Creek formations of the Eagle Plain Group, w here shale and sandstone beds dip gently eastw ard to northw ard. The w estern part of the map contains three large anticlinesyncline pairs trending north-northw est-south-southeast that expose Low er Cretaceous W hitestone R iver Formation lying unconformably on Paleoz oic strata of Middle Devonian to Permian age, comprising Ogilvie, Hart R iver, Ettrain, and J ungle Creek formations. The folds define domes and basins reflecting the influence of two orthogonal fold-thrust events during Cretaceous- Paleogene Cordilleran deformation. At the level of the Cretaceous units, the synclines define symmetrical continuous structures, w hereas the anticlines, exposing Paleoz oic strata, define asymmetric en échelon structures suggesting that pre-existing structural or stratigraphic trends influenced their deformation.
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