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Tesis sobre el tema "Stratigraphic Eocene"

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Publicado: 4 de junio de 2021
Última modificación: 31 de enero de 2023

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1

Byrnes, Mark Edward. "Provenance study of late Eocene arkosic sandstones in southwest and central Washington." PDXScholar, 1985. https://pdxscholar.library.pdx.edu/open_access_etds/3405.

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The purpose of this study is to compare the sandstone composition and trace element geochemistry between samples representing the Summit Creek sandstone, Naches, Chumstick, and Carbonado Formations in order to determine if these sediments were all derived from the same provenance, and to determine the composition of the source rocks in hopes to identify the present day location of the source areas.
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2

McClincy, Matthew John. "Tephrostratigraphy of the middle Eocene Chumstick Formation, Cascade Range, Douglas County, Washington." PDXScholar, 1986. https://pdxscholar.library.pdx.edu/open_access_etds/3633.

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This study outlines the ash (tuff) bed stratigraphy (tephrostratigraphy) in the middle Eocene Chumstick Formation of central Washington. The tuff beds provide local marker beds enabling interpretation of the stratigraphy and structure of the formation. The chemical signature of these units provides the basis on which the units can be traced over broad areas in the basin of deposition. Correlations of tuff beds were obtained over distances of 41 km.
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3

Cunderla, Brent Joseph. "Stratigraphic and petrologic analysis of trends within the Spencer Formation sandstones : from Corvallis, Benton County, to Henry Hagg Lake, Yamhill and Washington counties, Oregon." PDXScholar, 1986. https://pdxscholar.library.pdx.edu/open_access_etds/3588.

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Within the thesis study area Spencer Formation arkosic/arkosic lithic sandstone lithofacies of Narizian age crop out in a sinuous north-northwesterly band from the Corvallis area into the Henry Hagg Lake vicinity ten kilometers southwest of Forest Grove, Oregon.
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4

Vinyoles, i. Busquets Andreu. "Sediment routing systems of the Eocene Tremp-Jaca basin: Stratigraphic analysis and numerical models." Doctoral thesis, Universitat de Barcelona, 2021. http://hdl.handle.net/10803/672479.

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The Eocene South-Pyrenean foreland basin provides a continuum of outcrops representing a Source to Sink sediment routing system from subaerial canyons to deep marine environments. On this context, the specific objective of this study is: (a) to contribute to the knowledge of the chronostratigraphy and the basin infill of the study area; (b) to analyze the evolution of the sedimentation rates on the Tremp-Jaca basin; and (c) to generate numerical models to (i) assess the sediment routing and sediment balance and, (ii) to evaluate the basin response to the propagation of climatic and tectonic si
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5

Schmidt, Rolf. "Eocene bryozoa of the St Vincent Basin, South Australia - taxonomy, biogeography and palaeoenvironments /." Title page, abstract and contents only, 2003. http://web4.library.adelaide.edu.au/theses/09PH/09phs3491.pdf.

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Thesis (Ph.D.)--University of Adelaide, School of Earth and Environmental Sciences, Discipline of Geology and Geophysics, 2003?<br>Includes Publication list by the author as appendix A. "July 2003." Includes bibliographical references (leaves 308-324).
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6

Farr, Leonard Carl Jr. "Stratigraphy, diagenesis, and depositional environment of the Cowlitz Formation (Eocene), northwest Oregon." PDXScholar, 1989. https://pdxscholar.library.pdx.edu/open_access_etds/3905.

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The Upper Eocene Cowlitz Formation is exposed in surface outcrops southwest of the town of Vernonia, in Columbia County, Oregon. The Cowlitz Formation also occurs in the subsurface of the Mist gas field where its Clark and Wilson (C and W) sandstone member (informal) acts as a natural gas reservoir, and its upper Cowlitz mudstone member (informal) acts as a cap rock. Surface exposures and continuous core were studied in order to determine Cowlitz Formation stratigraphy, and its depositional environment. Fresh core samples were also studied petrographically, and with a scanning electron microsc
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7

Matoush, Joseph P. "The Stratigraphic, Sedimentologic, and Paleogeographic Evolution of the Eocene- Oligocene Grasshopper Extensional Basin, Southwest Montana." DigitalCommons@USU, 2002. https://digitalcommons.usu.edu/etd/6726.

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Grasshopper basin, located in southwest Montana, is an east-tilted graben bounded by the listric Muddy-Grasshopper fault and the Meriwether Lewis fault on the eastern and western margins of the basin, respectively. This basin contains a complex stratigraphy of intertonguing facies comprised of five unconformity-bounded sequences of Tertiary alluvial, flu vial, deltaic, and lacustrine sedimentary and volcanic rocks. Sequence 1 consists of the Challis volcanic Group (Middle Eocene). The sedimentary rocks of the Medicine Lodge beds (Late Eocene-Late Oligocene) represent sequence 2 and approximate
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8

Gregory, Kathryn Mary. "Late Eocene paleoaltitude, paleoclimate, and paleogeography of the Front Range region, Colorado." Diss., The University of Arizona, 1992. http://hdl.handle.net/10150/185985.

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Erosion beveled the Laramide Front Range uplift in Colorado to a surface of low relief by the end of the Eocene. This study uses paleobotanic climate analysis techniques to determine the paleoelevation of this regional surface by examining the overlying 34.9 Ma Florissant flora. Multiple regression models explaining 93.4% of the variance in mean annual temperature (MAT), 86.1% of the variance in growing season precipitation (GSP) and 65.7% of the variance in rainfall distribution were derived from J. A. Wolfe's dataset of 31 leaf physiognomic character states from 86 modern vegetation sites. W
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9

Ressel, Michael W. "Igneous geology of the Carlin Trend, Nevada the importance of Eocene magmatism in gold mineralization /." abstract and full text PDF (free order & download UNR users only), 2005. http://0-gateway.proquest.com.innopac.library.unr.edu/openurl?url_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:dissertation&res_dat=xri:pqdiss&rft_dat=xri:pqdiss:3210296.

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10

Robinson, Andrew Mark. "Stratigraphic development and controls on the architecture of Eocene depositional systems in the Faroe-Shetland Basin." Thesis, Cardiff University, 2004. http://orca.cf.ac.uk/55054/.

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A detailed investigation of the Eocene stratigraphy in the Faroe-Shetland Basin was undertaken with a view to developing a basin-wide seismic-stratigraphic framework in order to describe the palaeogeographic evolution and depositional architecture of the basin. This study has tested the applicability of sequence stratigraphy on a regional and local scale and outlines the major depositional controls on the succession. Integration of seismic, well and biostratigraphic data has allowed for the identification of four regionally correlatable seismic-stratigraphic units which document the basin fill
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11

Sunnetcioglu, Mehmet Akif. "A Sequence Stratigraphic Approach To The Depositional History Analysis Of The Upper Eocene Sedimentary Succession, Northwest Of The Thrace Basin, Turkey." Phd thesis, METU, 2008. http://etd.lib.metu.edu.tr/upload/12609346/index.pdf.

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This study investigates the depositional history of the Late Eocene sedimentary record in the northwest of the Thrace Basin in a sequence stratigraphic approach and estimates the contribution of regional tectonics, basin physiography and eustasy. Late Eocene sedimentary succession was analyzed in two third-order sequences based on two major data sets<br>seismic reflection and well data sets. Depositional Sequence-1, represented by progradational stacking patterns, comprises the coarse-grained Hamitabat turbidite system. The base of the Sequence-1 was defined as the base of channel fill deposit
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12

Díaz, Poveda Leonardo. "Evolución sedimentaria y estructural del Eoceno superior, Cordillera oriental de Colombia, Sur América." Doctoral thesis, Universitat de Barcelona, 2016. http://hdl.handle.net/10803/396371.

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Colombia se encuentra situada en la esquina NW de Sur América, este sector de gran complejidad tectónica es un margen destructivo por convergencia de placas. Convergen las placas de Suramérica, de afinidad continental, y las placas Pacifica y Caribe, de afinidad oceánica. La complejidad está en que la placa Pacifica subduce a la placa de Suramérica en el sector sur de Colombia y en la parte media colisiona oblicuamente. La placa Caribe colisiona también oblicuamente, generando un régimen transpresivo y en la parte norte colisiona con la placa Suramericana a lo largo de una zona de fallas trans
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13

Zebari, Bahroz Gh A. "Controls on the spatial and temporal evolution and distribution of depositional components in the Paleocene-Lower Eocene Succession, Kurdistan Region-Iraq." Thesis, University of Aberdeen, 2018. http://digitool.abdn.ac.uk:80/webclient/DeliveryManager?pid=239281.

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14

Shaw, Neil B. "Biostratigraphy of the Cowlitz Formation in the upper Nehalem River Basin, northwest Oregon." PDXScholar, 1986. https://pdxscholar.library.pdx.edu/open_access_etds/3654.

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Examination of stream and roadcut exposures of the Cowlitz Formation allows the selection of measured representative sections, and collection of fossils, from an area roughly defined by the intersection of the boundaries of Clatsop, Columbia, Tillamook and Washington counties in Oregon. The study defines the features of the local environment of deposition, correlates sections to derive a composite columnar section, and develops a checklist of species for both microfossils and megafossils of the Cowlitz Formation.
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15

Brissette, Nicolas O. "The Cocoa Sand member of the Yazoo Formation (Eocene), Mississippi : a petrologic and depositional model study." Virtual Press, 2004. http://liblink.bsu.edu/uhtbin/catkey/1306384.

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The sandstone petrology of the Cocoa Sand Member of the Eocene Yazoo Formation is not well documented. Acquisition of two cores (#1 Ketler and #1 Young) during the Mobil-Mississippi Project of 1993 has provided the opportunity for a detailed petrologic and depositional analysis.The Cocoa Sand Member is a moderate to well sorted, poorly cemented quartz arenite with an average composition of Q% Fo L4. Lithic fragments are dominated by sedimentary rock fragments that appear to be rip-up clasts from the underlying North Twistwood Creek Clay. Quartz grains range from well rounded to angular with em
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16

Liu, Shaobin. "Characterization, geographic distribution, and number of upper Eocene impact ejecta layers and their correlations with source craters." Access to citation, abstract and download form provided by ProQuest Information and Learning Company; downloadable PDF file 15.46 Mb., 308 p, 2006. http://gateway.proquest.com/openurl?url_ver=Z39.88-2004&res_dat=xri:pqdiss&rft_val_fmt=info:ofi/fmt:kev:mtx:dissertation&rft_dat=xri:pqdiss:3220787.

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17

Shackelton, Allison Lee. "REGIONAL AND STRATIGRAPHIC VARIABILITY OF MICROWEAR ON THE MOLARS OF LEPTOMERYX FROM EOCENE-OLIGOCENE STRATA OF WYOMING AND NEBRASKA." Master's thesis, Temple University Libraries, 2016. http://cdm16002.contentdm.oclc.org/cdm/ref/collection/p245801coll10/id/402261.

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Geology<br>M.S.<br>Climate change across the terrestrial Eocene-Oligocene boundary of the Great Plains is recorded by shifts in sediments, facies, paleosols, and isotopic records, and is interpreted as a shift to overall cooler and drier conditions. As an independent test of paleoenvironmental shifts caused by climatic change, I compared microwear on M2 molars of Leptomeryx from the White River Group (WR) at Toadstool Park, Nebraska (n = 9) and Flagstaff Rim, Wyoming (n = 11). Comparisons of microwear were made through time at each section. Various measurements of microwear were quantified on
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18

Friedman, Richard M. "Geology and geochronometry of the eocene Tatla Lake metamorphic core complex, western edge of the intermontane belt, British Columbia." Thesis, University of British Columbia, 1988. http://hdl.handle.net/2429/28780.

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The Tatla Lake Metamorphic Complex (TLMC) underlies 1000 km² on the western side of the Intermontane Belt (1MB) northeast of the Yalakom fault Three fault-bounded lithotectonic assemblages are recognized in the area studied: an amphibolite grade gneissic and migmatitic core, structurally overlain by a 1 to 2.5 + km-thick zone of amphibolite and greenschist grade mylonite and ductilely sheared metamorphic rocks, the ductilely sheared assemblage (DSA), which is in turn structurally overlain by weakly deformed to unstrained subgreenschist grade rocks of the upper plate which flank the TLMC on thr
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19

Gallardo, Garcia Alejandro. "Middle Eocene-Early Miocene larger foraminifera from Dhofar (Oman) and Socotra Island (Yemen)." Doctoral thesis, Universitat de Barcelona, 2015. http://hdl.handle.net/10803/336096.

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Here, the larger foraminifera found in Middle Eocene-Early Miocene rocks from Dhofar (Oman) and Socotra Island (Yemen) are studied in detail. The architectural analysis leads to the description of four new genera and nine new species: five agglutinated foraminifera, Pseudolituonella roberti n. sp., Socotraella ashawqi n. gen. n. sp., Pseudochrysalidina ayaki n. sp., Barattolites andhuri n. sp. and Dhofarella aydimi n. gen. n. sp.; and four porcellaneous foraminifera, Idalina grelaudae n. sp., Idalina pignattii n. sp., Macetadiscus incolumnatus n. gen. n. sp. and Omanodiscus tenuissimus n. gen.
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20

Gupta, K. D. "Tectono-stratigraphic evolution of deep-marine clastic systems in the Eocene Ainsa and Jaca basins, Spanish Pyrenees : petrographic and geochemical constraints." Thesis, University College London (University of London), 2008. http://discovery.ucl.ac.uk/1445277/.

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The Early-Middle Eocene deep-marine siliciclastic systems of the Ainsa and Jaca foreland basins, Spanish Pyrenees, have been used to develop and support generic models for deep-marine deposits, from process-based to system-based perspectives, and these ideas have been applied globally by academics and industry alike. Despite the considerable amount of research into many aspects of sedimentology of the Ainsa and Jaca basins, the widely-adopted stratigraphic correlation of sandstone systems in the Ainsa and Jaca basins is very poorly-constrained, although the stratigraphy and accurate correlatio
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21

Geyikcioglu, Erbas Bedia. "Meter Scale Cycles In The Eocene Cayraz Formation (haymana Basin) And Response Of Foraminifers To Cyclicity." Master's thesis, METU, 2008. http://etd.lib.metu.edu.tr/upload/2/12610161/index.pdf.

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The aim of this study is to investigate the nature of the meter-scale cycles in the &Ccedil<br>ayraz Formation of the Middle Eocene age and to study the response of foraminifera to the sedimentary cyclicity. In order to perform this study, two stratigraphic sections, which are 44,55 m and 25,95 m in thickness, were measured on a regularly bedded succession mainly composed of carbonates and siliciclastics in the &Ccedil<br>ayraz Formation of the Haymana Basin. In this study, detailed microfacies analyses were carried out in the studied sections and 10 different microfacies types were identified
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22

Scotchman, J. I. "Stratigraphic context and timing of sand supply to deep-marine Ainsa-Jaca basin, middle Eocene, Spanish Pyrenees : constraints from geochemistry and sedimentology." Thesis, University College London (University of London), 2012. http://discovery.ucl.ac.uk/1347242/.

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The sediment flux to a basin is controlled by a complex combination of tectonics, climatic variability and stochastic events, thereby creating a cryptic geological record. Deconvolving the effects of individual factors controlling sedimentation can often be challenging, due to a variety of reasons including a lack of outcrop, a poor understanding of the regional tectonic framework and insufficiently detailed geological maps. However, many of these deficiencies can be overcome within the deep-marine Ainsa basin, South Central Pyrenees where detailed research over the last decade has provided an
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23

Hourdebaigt, Marie-Laure. "Stratigraphie et sedimentologie des molasses synorogeniques en bearn et en bigorre." Toulouse 3, 1988. http://www.theses.fr/1988TOU30187.

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Etude des molasses continentales proximales affleurant au-dessus des terrains nummulitiques en bearn et en bigorre. Dans le bassin au sud de pau, l'etude geometrique et sedimentologique permet de distinguer deux formations conglomeratiques: les poudingues inferieur et superieur, separes par une discordance. Le passage de l'un a l'autre est marque par un changement de la petrographie, de la granulometrie et de la morphometrie des galets. Ils sont attribues a l'eocene et rattaches respectivement a la 1ere et 2eme unite du poudingue de palasson. Dans le secteur occidental, les molasses conglomera
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24

Edgar, Kirsty M. "Palaeoclimatology, stratigraphy and biotic responses in the middle Eocene." Thesis, University of Southampton, 2008. https://eprints.soton.ac.uk/65670/.

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The Middle Eocene (37 to 49 million years ago, Ma) was characterised by warmer global temperatures and higher atmospheric carbon dioxide (pCO2) levels than today with only small/non-existant icesheets. Because predicted pCO2 levels for the coming century have not been seen on Earth since at least ~40 Ma thus, the primary objective of this thesis is to improve our understanding of the nature, timing and consequences of carbon perturbations in the Middle Eocene between 39 and 43 Ma. In Chapter 3, a new (instrument specific) methodology for measuring Mg/Ca in foraminiferal calcite is developed to
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25

Chandler, Matthew R. "The Provenance of Eocene Tuff Beds in the Fossil Butte Member of the Green River Formation of Wyoming: Relation to the Absaroka and Challis Volcanic Fields." Diss., CLICK HERE for online access, 2006. http://contentdm.lib.byu.edu/ETD/image/etd1517.pdf.

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26

Sanjuan, i. Girbau Josep. "Els caròfits del límit Eocè-Oligocè de la Conca de l’Ebre." Doctoral thesis, Universitat de Barcelona, 2013. http://hdl.handle.net/10803/133718.

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Aquesta tesi doctoral té com a objectiu principal la caracterització taxonòmica, paleoecològica, paleobiogeogràfica i biostratigràfica dels caròfits de l’Eocè superior-Oligocè inferior de la Conca de l’Ebre. La flora de caròfits de l’Eocè superior-Oligocè inferior del marge est de la Conca de l’Ebre està constituïda per Sphaerochara labellata, Chara aff. antennata, C. artesica n. sp., C. rhenana, C.microcera, Psilochara aff. acuta, Lamprothamnium sp., Gyrogona caelata, Nodosochara jorbae, Lychnothamnus longus, L. stockmansii, L. grambastii, L. vectensis, L. pinguis (=L. major), Nitellopsis
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27

Moss, Graham. "The Port Willunga Formation : Eocene/Oligocene boundary stratigraphy and foraminiferal turnover /." Adelaide, 1989. http://web4.library.adelaide.edu.au/theses/09SB/09sbm913.pdf.

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28

King, Christopher. "Stratigraphy of the London Clay Formation (Early Eocene) in the Hampshire Basin." Thesis, Kingston University, 1991. http://eprints.kingston.ac.uk/20552/.

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Stratigraphy of the London Clay Formation (Early Eocene) in the Hampshire Basin Lithological logging and micropalaeontological analysis of selected exposures and boreholes in the London Clay Formation of the Hampshire Basin has enabled detailed correlation and subdivision of the Formation. The sediments are classified into nine main lithofacies, deposited in marine shelf and marginal-marine environments. The recognition and correlation of numerous minor stratigraphic discontinuities within the Formation enables its subdivision into 22 depositional sequences. Within each sequence, an initial ma
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29

Petit, Lisiane. "Le gisement de vertebres continentaux de fontliasmes (eocene superieur du poitou) : stratigraphie, sedimentologie, paleontologie." Poitiers, 1987. http://www.theses.fr/1987POIT2119.

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On etudie la faune de vertebres continentaux livree par les sables et argiles marbres de fontliasmes, poitou. Le degre d'evolution de la faune permet d'attribuer un age auversien aux depots. Les caracteristiques sedimentologiques et fauniques montrent le passage dans le temps d'un regime fluviatile a un regime lacustre; le milieu est marecageux, boise, soumis a un climat tropical humide. La presence du crocodilien allognathosuchus haupti atteste de l'existence d'echanges fauniques entre l'europe et l'amerique du nord a l'eocene moyen
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30

Hanif, Muhammad. "Stratigraphy and Palaeoenvironment of the Paleocene/Eocene boundary interval in the Indus Basin, Pakistan." Thesis, University of Plymouth, 2011. http://hdl.handle.net/10026.1/865.

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Marine sedimentary sections across the Paleocene/Eocene (P/E) boundary interval are preserved in the Patala Formation (Upper Indus Basin) and Dungan Formation (Lower Indus Basin), Pakistan. The P/E interval of the Patala Formation is composed of limestone and shale inter-beds indicating deposition on a carbonate platform. The analysis of larger foraminifera across the P/E interval from the Patala Formation (Kala Chitta Ranges), allows the recognition of the Larger Foraminiferal Turnover (LFT). The Larger Foraminiferal Turnover (LFT) observed in the Patala Formation is associated with the PETM
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31

Simmons, Adam Thomas. "Magmatic and hydrothermal stratigraphy of Paleocene and Eocene porphyry Cu-Mo deposits in southern Peru." Thesis, University of British Columbia, 2013. http://hdl.handle.net/2429/45533.

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A geological investigation of the of the Paleocene-Eocene Cu-Mo porphyry belt of southern Peru was undertaken at the Quellaveco Cu-Mo porphyry system with complimentary work completed at the Cuajone and Toquepala mines. This work adds to the understanding of the formation and evolution of igneous systems associated with Cu-Mo porphyry formation in an understudied but economically significant copper source globally. The Quellaveco Igneous Complex is composed of at least five phases of porphyritic intrusions which were emplaced into a slightly older equigranular granodiorite batholith and Late
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32

Poyatos-Moré, Miquel. "Physical stratigraphy and facies analysis of the castissent tecto-sedimentary unit." Doctoral thesis, Universitat Autònoma de Barcelona, 2014. http://hdl.handle.net/10803/145397.

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L’anàlisi de la sedimentologia, geometria i trajectòria de diverses clinoformes deltaiques successives en estudis d'aflorament o en bases de dades de sísmica de reflexió han estat àmpliament utilitzats com una eina per a (1) inferir canvis en el nivell del mar i per a (2) interpretar els factors de control a curt i llarg termini sobre la evolució dels marges de conca, així com en la durada i tipus de transport de sediment groller des dels continents fins als oceans. Els models deposicionals, majoritàriament enfocats en la influència de l’eustatisme (acomodació) i l‘aport de sediment, principal
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33

Rancan, Cristiano Camelo. "Estratigrafia da série eoceno no Baixo do Mosqueiro, bacia de Sergipe-Alagoas /." Rio Claro, 2017. http://hdl.handle.net/11449/151380.

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Orientador: Rosemarie Rohn Davies<br>Coorientador: Wagner Souza-Lima<br>Banca: Norberto Morales<br>Banca: Claudio Borba<br>Resumo: As rochas do Grupo Piaçabuçu foram alvo de poços exploratórios nos últimos dez anos, nas águas profundas a ultra-profundas da Bacia de Sergipe-Alagoas, que lograram êxito na prospecção de hidrocarbonetos. São também um clássico na história do petróleo no Brasil, pois nelas estão os primeiros campos de produção em águas oceânicas, em reservatórios paleogenos do compartimento estrutural Baixo do Mosqueiro. O estudo estratigráfico da Série Eoceno, com base em perfis e
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34

Hansman, Reuben J., Uwe Ring, Stuart N. Thomson, Brok Bas den, and Konstanze Stübner. "Late Eocene Uplift of the Al Hajar Mountains, Oman, Supported by Stratigraphy and Low-Temperature Thermochronology." AMER GEOPHYSICAL UNION, 2017. http://hdl.handle.net/10150/627072.

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Uplift of the Al Hajar Mountains in Oman has been related to either Late Cretaceous ophiolite obduction or the Neogene Zagros collision. To test these hypotheses, the cooling of the central Al Hajar Mountains is constrained by 10 apatite (U-Th)/He (AHe), 15 fission track (AFT), and four zircon (U-Th)/He (ZHe) sample ages. These data show differential cooling between the two major structural culminations of the mountains. In the 3km high Jabal Akhdar culmination AHe single-grain ages range between 392 Ma and 101 Ma (2 sigma errors), AFT ages range from 518 Ma to 324 Ma, and ZHe single-grain age
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35

Laurie, Ewan Robert. "Cyclostratigraphy and sequence stratigraphy of the Solent Group (Eocene-Oligocene) of the Isle of Wight, UK." Thesis, University of Greenwich, 2006. http://gala.gre.ac.uk/6217/.

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A stratigraphic reinterpretation of the Eocene-Oligocene Solent Group is presented here, based on the Whitecliff Bay section of the Isle of Wight, Hampshire Basin, UK. High resolution palaeontological, sedimentologica and mineralogical analyses allow the establishment of facies groups, which are used to demonstrate the presence of seven conspicuous sequences. For the first time, these are tied to an accurate magnetostratigraphic framework. Investigation of the cyclic signal in clay mineralogical data reveals that sea level was controlled by the ~400ka cycle of astronomical (Milankovitch) forci
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36

Byrne, Monica C. (Monica Catherine). "A stable isotope stratigraphy for the Axel Heiberg Fossil Forest and its application to Eocene climate." Thesis, Massachusetts Institute of Technology, 2005. http://hdl.handle.net/1721.1/33941.

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Thesis (S.M.)--Massachusetts Institute of Technology, Dept. of Earth, Atmospheric, and Planetary Sciences, 2005.<br>Includes bibliographical references (leaves 96-107).<br>The Eocene era was a warm, climatically dynamic transitional period between the Paleocene greenhouse world and the Oligocene icehouse world. This study details carbon and hydrogen isotopic and biomarker analyses of samples of lignite (bulk fossil leaves), wood, paleosol, and resinite from the Middle to Late Eocene age fossil forest stratigraphy on Axel Heiberg Island, Nunavut, Canada. Bulk carbon isotopes show a record of fr
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Schuetz, Corinna. "Stratigraphy, petrography and geochemistry of the Kaiwhata Limestone, Pahaoa, New Zealand." Thesis, Queensland University of Technology, 2022. https://eprints.qut.edu.au/232515/1/Corinna_Schuetz_Thesis.pdf.

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This thesis examined the stratigraphy, petrography, and geochemistry of the Paleocene to Eocene pelagic sedimentary deposits in Pahaoa, Wairarapa, North Island, New Zealand. Laboratory and statistical techniques are employed to assess the change in depositional environment prior to the onset of subduction. The results provide insights into the modes of deposition, stratigraphic evolution of the passive margin sequence and tectonic setting of the receiving basin before subduction initiation of the Hikurangi margin.
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Blank, Jonathan M. "Late Eocene - Early Oligocene sequence stratigraphy of the nearshore-transition zone Latrobe Group, Ninety Mile Beach, Gippsland Basin /." Title page, contents and abstract only, 1999. http://web4.library.adelaide.edu.au/theses/09S.B/09s.bb642.pdf.

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Thesis (B.Sc.(Hons.))--University of Adelaide, National Centre for Petroleum Geology and Geophysics, 2000.<br>Volume 2 holds ten folded enclosures (some col.) in a box. Includes bibliographical references (4 leaves).
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39

Abdou, Soliman Fathy Hussien. "The stratigraphy and sedimentology of Middle and Late Eocene carbonates of the Nile Valley, Egypt : a basinal analysis." Thesis, Swansea University, 1988. https://cronfa.swan.ac.uk/Record/cronfa42551.

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Carbonate sediments in the northern Nile Valley were subjected to stratigraphical and sedimentological studies which led to a complete basinal analysis. Initiation of this basin occurred in the early Late Eocene at 40 MY. A workable lithostratigraphy is developed to group the various Formations (Beni Suef, Birket Qarun, Saqqara, the Qurn, and the Wadi Hof) under one regional rock unit; the Middle Mokattam Unit. Biostratigraphical zonations were adapted, by means of nannoplankton and (both micro and larger) foraminifera, to date the strata as closely as possible and to achieve chronostratigraph
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40

Chanvry, Emmanuelle. "Caractérisation et facteurs de contrôle des distributions minéralogiques du Bassin Piggyback de Graus-Tremp-Ainsa (Espagne), à l’Eocène Inférieur." Thesis, Lyon, 2016. http://www.theses.fr/2016LYSEM034/document.

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Cette thèse propose une méthodologie pour caractériser et intégrer les distributions minéralogiques des dépôts de l’Eocène Inférieur du Bassin de Graus-Tremp-Ainsa dans un cadre séquentiel reconstruit à haute résolution. Le couplage des approches stratigraphiques et géochimiques/minéralogiques permet d’évaluer la part des forçages tectoniques, climatiques, eustatiques et diagénétiques sur l’enregistrement sédimentaire et minéralogique du bassin. La caractérisation de la minéralogie repose sur un calcul automatisé utilisant la géochimie multi-élémentaire et calibré ponctuellement par les outils
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41

Lafont, François. "INFLUENCES RELATIVES DE LA SUBSIDENCE ET DE L'EUSTATISME SUR LA LOCALISATION ET LA GEOMETRIE DES RESERVOIRS D'UN SYSTEME DELTAÏQUE. Exemple de l'Eocène du bassin de Jaca, Pyrénées espagnoles." Phd thesis, Université Rennes 1, 1994. http://tel.archives-ouvertes.fr/tel-00653783.

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Le propos du travail présenté ici est de montrer les influences respectives de l'eustatisme et de la tectonique sur l'enregistrement stratigraphique d'une série deltaïque dans un bassin d'avant-pays. L'étude a reposé principalement sur l'interprétation en stratigraphie séquentielle haute résolution de données de terrain, acquises dans le bassin de Jaca (Pyrénées espagnoles, Province de Huesca). Il est présenté en premier lieu une synthèse faisant l'état des connaissances sur la méthode d'étude, c'est à dire la stratigraphie séquentielle, sur le problème posé, soit les influences relatives de l
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42

Menkveld-Gfeller, Ursula. "Stratigraphie und Palaeogeographie des Eocaens der helvetischen Decken der Westschweiz (Diablerets- und Wildhorn-Decke) /." Bern : Universität Philosophisch-naturwissenschaftlichen Fakultät, 1993. http://www.ub.unibe.ch/content/bibliotheken_sammlungen/sondersammlungen/dissen_bestellformular/index_ger.html.

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43

Taubert, Samuel M. "Seismic stratigraphy and palaeogeography of the Early Paleocene to Mid Eocene of the Dampier Sub-Basin, North West Shelf, Australia /." Title page and abstract only, 2000. http://web4.library.adelaide.edu.au/theses/09SB/09sbt222.pdf.

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44

Holmström, Max. "Eocene-Oligocene Benthic Foraminifera Stable Isotope Stratigraphy and Paleoceanography of ODP Site 757 and 756, Ninetyeast Ridge, Southern Indian Ocean." Thesis, Stockholms universitet, Institutionen för geologiska vetenskaper, 2014. http://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-107074.

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The EOT is marked by a two-step shift in the δ18O record of benthic foraminifera. The transition was rapid (500 000 years) and occurred roughly 34 million years ago. It marks an important step in Earth’s climate history where semi-permanent ice-sheets developed over Antarctica and is considered the initiation of the modern glaciated climate that the Earth experience today. Ninetyeast Ridge is a hot spot trail in the Indian Ocean that was formed by the Keguelen/ Ninetyeast hotspot and was one of the drilling targets of ODP leg 121 and among other sites 757 and 756 were drilled. To gain a better
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45

Le, Callonnec Laurence. "Apports de la geochimie des carbonates pelagiques a la stratigraphie et la paleo-oceanographie du paleocene et de la limite paleocene/eocene." Paris 6, 1998. http://www.theses.fr/1998PA066545.

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Le paleocene est delimite par deux crises biologiques : a la limite k/t (extinction des organismes planctoniques) et au paleocene terminal (disparition d'organismes benthiques). Ces crises sont contemporaines de bouleversements paleo-oceanographiques et paleoclimatiques se caracterisant geochimiquement par un accident negatif du 1 3c et une chute des teneurs en strontium. Une etude geochimique ( 1 3c, 1 8o et elements traces) a ete entreprise, sur carbonate pelagique total, pour la tethys, suivant un transect no/se (pays basque, italie, israel, et oman). Les deux objectifs principaux de ce tra
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46

Taylor, Andrew W. "Sedimentology, Facies Architecture, and Reservoir Characterization of Lacustrine Rocks, Eocene Green River and Colton Formations, Uinta Basin, Utah." DigitalCommons@USU, 2002. https://digitalcommons.usu.edu/etd/6780.

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Outcrop and petrographic studies of the Eocene Green River and Colton formations in the Uinta basin, Utah, document the facies architecture and heterogeneity characteristic of lacustrine reservoirs. A southwest-northeast transect of Eocene strata in the Uinta basin records three main marginal lacustrine depositional environments: fluvial, deltaic, and wave-dominated. Heterogeneity exists between and within individual depositional systems. Reservoir rocks of Outcrops One and Two (the flu vial facies of the Colton Formation and the deltaic facies of the Green River Formation, respectively) consi
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Pelletier, Jonathan. "Faciès, architecture et dynamique d’un système margino-littoral tidal : exemple de la Formation du Dur At Talah (Eocène supérieur, Bassin de Syrte, Libye)." Thesis, Strasbourg, 2012. http://www.theses.fr/2012STRAH016/document.

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Ce manuscrit de thèse propose la première étude sédimentologique exhaustive de l’escarpement du Dur At Talah (150 km de long sur 120 m de hauteur). Ce dernier affleure dans la dépression d’Abu Tumayam, dans la partie méridionale du Bassin de Syrte (Libye). La Formation du Dur At Talah offre une séquence sédimentaire régressive (au 2nd ordre), allant de faciès marins peu profonds à des faciès fluviatiles, datée de l’Eocène supérieur. Les exceptionnelles conditions d'affleurement ont permis une analyse sédimentologique approfondie (lithofaciès, ichnofaciès, géométries et découpage séquentiel) co
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Crumeyrolle, Philippe. "Stratigraphie physique et sédimentologie des systèmes de dépôt de la séquence de Santa Liestra : Eocène sud-pyrénen, Pyrénées aragonaises, Espagne." Bordeaux 3, 1987. http://www.theses.fr/1987BOR30208.

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Batiston, Denis Antonio. "Modelo geológico conceitual do paleocânion de Regência, região onshore da Bacia do Espírito Santo, Cretáceo ao Eoceno /." Rio Claro, 2018. http://hdl.handle.net/11449/180232.

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Orientador: Rosemarie Rohn Davies<br>Banca: Norberto Morales<br>Banca: Maria Gabriela Castillo Vincentelli<br>Resumo: O paleocânion de Regência é reconhecido em subsuperfície da bacia do Espírito Santo, localizado nas proximidades da foz do Rio Doce (ES), originado no Cretáceo e preenchido até meados do Eoceno. Dados de 31 seções sísmicas, 29 poços e marcadores bioestratigráficos (definidos por nanofósseis calcários) substanciaram a elaboração de modelos geológicos que aprimoram o conhecimento sobre a evolução do paleocânion. Os resultados incluem correlações estratigráficas, interpretações de
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Coiffait, Philippe-Emmanuel. "Un bassin post-nappes dans son cadre structural : l'exemple du bassin de Constantine (Algérie nord-orientale)." Nancy 1, 1992. http://www.theses.fr/1992NAN10412.

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