Дисертації з теми "Early Ordovician"
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Montañez, Isabel Patricia. "Regional dolomitization of Early Ordovician, Upper Knox Group, Appalachians." Diss., Virginia Polytechnic Institute and State University, 1989. http://hdl.handle.net/10919/54248.
Повний текст джерелаPh. D.
Dresbach, Russell Ivan. "Early ordovician conodonts and biostratigraphy of the Arbuckle group in Oklahoma /." free to MU campus, to others for purchase, 1998. http://wwwlib.umi.com/cr/mo/fullcit?p9901233.
Повний текст джерелаTurvey, Samuel Thomas. "Early Ordovician (Arenig) trilobites of the South China Plate : taxonomy, palaeoecology and palaeobiogeography." Thesis, University of Oxford, 2002. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.249304.
Повний текст джерелаTomescu, Alexandru Mihail Florian. "Late Ordovician - Early Silurian terrestrial biotas of Virginia, Ohio, and Pennsylvania : an investigation into the early colonization of land /." Ohio University / OhioLINK, 2004. http://www.ohiolink.edu/etd/view.cgi?ohiou1108479418.
Повний текст джерелаTapanila, Leif Michael. "Bioerosion in late Ordovician and early Silurian tropical carbonate settings of Anticosti Island, Québec, Canada." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 2001. http://www.collectionscanada.ca/obj/s4/f2/dsk3/ftp04/MQ61303.pdf.
Повний текст джерелаLeng, Melanie Jane. "Late Ordovician-early Silurian palaeo-environmental analysis in the Tywyn-Corris area of mid-Wales." Thesis, Aberystwyth University, 1990. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.388533.
Повний текст джерелаPärnaste, Helje. "Early ordovician trilobites of suborder Cheirurina in Estonia and NW Russia : systematics, evolution and distribution /." Online version, 2004. http://dspace.utlib.ee/dspace/bitstream/10062/691/5/parnaste.pdf.
Повний текст джерелаDeline, Bradley. "The Effects of Scale, Community Structure, and Environment on Ordovician through Early Silurian Laurentian Crinoid Disparity." University of Cincinnati / OhioLINK, 2009. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1258392774.
Повний текст джерелаMoore, Richard Maurice. "The Skiddaw Group of Cumbria : early Ordovician Turbidite sedimentation and provenance on an evolving microcontinental margin." Thesis, University of Leeds, 1992. http://etheses.whiterose.ac.uk/487/.
Повний текст джерелаEgerquist, Eva. "Ordovician (Billingen and Volkhov stages) Brachiopod Faunas of the East Baltic." Doctoral thesis, Uppsala University, Palaeontology group, 2004. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-4303.
Повний текст джерелаLower-Middle Ordovician (Arenig) successions in the East Baltic have been investigated for more than one hundred and fifty years. Nevertheless detailed sampling still yields new species and better knowledge of the environment in which these organisms lived. The successions are well suited for bed by bed sampling because of the lack of tectonic disturbance and because the sequences are well documented.
This study analyses collections of Billingen-Volkhov age mainly from the St. Petersburg region, but also from Estonia. A great deal of the material was obtained from the marly to clayey, soft sediment that intercalates the compact packstones and wackestones in the succession. Twenty-nine of these clay horizons were used for diversity estimates on the fauna through the succession. The most thoroughly investigated groups for this investigation were rhynchonelliformean brachiopods, conodonts and ostracodes. The results indicate that variances in diversity and abundance levels for these groups were not correlated, either to each other or to the small-scale sea level fluctuations that have been suggested for the region. However, diversity dynamics of brachiopods and ostracodes confirm the large-scale upward shallowing of the basin into the Upper Volkhov. Comparison with fossils from the limestones did not reveal any differences in faunal composition between the two preservation modes.
The detailed sampling, coupled with sampling of the recently described mud mounds that occur in several outcrops, yielded large numbers of specimens. This enabled revision of earlier poorly known rhynchonelliformean genera such as Ujukella Andreev, as well as better known genera such as Porambonites Pander. In total the examined faunas include 31 genera assigned to 53 species of rhynchonelliformean brachiopods. Of these Leoniorthis and Eoporambonites are defined as new genera, and the following new species are described: Neumania paucicostata, Ranorthis rotunda, Orthidium gambolovensis, Orthidium lavensis, Skenidioides minutus, Tetralobula peregrina, Idiostrophia prima and Idiostrophia tenuicostata.
Shah, Jehangir A. "Early diagenetic deep-sea dolomites from the middle ordovician cloridorme formation, Gaspé Peninsula, Québec Appalachians and related occurrences." Thesis, McGill University, 1989. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=59231.
Повний текст джерелаCovariation between $ delta sp{13}$C and $ delta sp{18}$O values of these carbonates further supports early diagenetic concretion growth.
Variation of major and minor elements (i.e., Ca, Mg and Sr) observed along AAS traverses in the Cloridorme, Levis and Cow Head carbonates indicate that they grew in continually changing chemical environments.
Izold, Mark Dennis. "Early Ordovician shelf-slope conodont biostratigraphy and biofacies differentiation of western Iapetus in west Texas and New York /." Connect to resource, 1993. http://rave.ohiolink.edu/etdc/view?acc%5Fnum=osu1209740343.
Повний текст джерелаAdiatma, Yoseph Datu. "Did early land plants produce a step-change in atmospheric oxygen centered on the Late Ordovician Sandbian Age ~458 Ma?" The Ohio State University, 2019. http://rave.ohiolink.edu/etdc/view?acc_num=osu1546386257035643.
Повний текст джерелаMacLachlan, Kate. "The Wild Bight Group, Newfoundland Appalachians : a composite early to middle-Ordovician ensimatic arc and continental margin arc-arc rift basin /." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1998. http://www.collectionscanada.ca/obj/s4/f2/dsk2/tape17/PQDD_0011/NQ36208.pdf.
Повний текст джерелаLowe, David. "Sedimentology, Stratigraphic Evolution and Provenance of the Cambrian – Lower Ordovician Potsdam Group in the Ottawa Embayment and Quebec Basin." Thesis, Université d'Ottawa / University of Ottawa, 2016. http://hdl.handle.net/10393/35303.
Повний текст джерелаBuchwalter, Edwin R. "The Geochemical and Spatial Argument for Microbial Life Surviving into Early Diagenesis in the Appalachian Basin." The Ohio State University, 2016. http://rave.ohiolink.edu/etdc/view?acc_num=osu1479942042064636.
Повний текст джерелаSokoloski, William P. "SEDIMENTOLOGY AND ICHNOLOGY OF LATE CAMBRIAN TO EARLY ORDOVICIAN SKOLITHOS SANDSTONE IN THE DEADWOOD FORMATION, NORTHERN BLACK HILLS, SOUTH DAKOTA, AND SOUTHEASTERN BEAR LODGE MOUNTAINS, WYOMING." University of Toledo / OhioLINK, 2005. http://rave.ohiolink.edu/etdc/view?acc_num=toledo1116014816.
Повний текст джерелаHutton, Laurie James. "Petrogenesis of I- and S-type Granites in the Cape River - Lolworth area, northeastern Queensland - Their contribution to an understanding of the Early Palaeozoic Geological History of northeastern Queensland." Thesis, Queensland University of Technology, 2004. https://eprints.qut.edu.au/15858/1/Laurie_Hutton_Thesis.pdf.
Повний текст джерелаHutton, Laurie James. "Petrogenesis of I- and S-type Granites in the Cape River - Lolworth area, northeastern Queensland - Their contribution to an understanding of the Early Palaeozoic Geological History of northeastern Queensland." Queensland University of Technology, 2004. http://eprints.qut.edu.au/15858/.
Повний текст джерелаCarlucci, Jesse. "Phylogenetic analysis, systematics, and evolution of early Ordovician graptolites." 2008. http://proquest.umi.com/pqdweb?did=1537004781&sid=5&Fmt=2&clientId=39334&RQT=309&VName=PQD.
Повний текст джерелаTitle from PDF title page (viewed on Nov. 13, 2008) Available through UMI ProQuest Digital Dissertations. Thesis adviser: Maletz, Jorg Includes bibliographical references.
Thompson, Cara Kim. "Carbon and Sulfur Cycling in Early Paleozoic Oceans." 2011. http://trace.tennessee.edu/utk_graddiss/1033.
Повний текст джерелаKrug, Andrew Zachary. "Taxic and phylogenetic approaches to understanding the Late Ordovician mass extinction and Early Silurian recovery." 2006. http://etda.libraries.psu.edu/theses/approved/WorldWideIndex/ETD-1222/index.html.
Повний текст джерелаJohnston, David Ian. "Early Ordovician (Arenig) conodonts from St. Pauls Inlet and Martin Point, Cow Head Group, Western Newfoundland /." 1986. http://collections.mun.ca/u?/theses,119652.
Повний текст джерелаGrappone, Joseph Michael. "Investigating the Death of the Early Paleozoic Moyero River Geomagnetic Superchron: Middle Ordovician Paleomagnetism from Estonia." Thesis, 2016. https://thesis.library.caltech.edu/9749/7/Grappone_Joseph_2016_Thesis_Revised.pdf.
Повний текст джерела