Výsledky vyhledávání - "Demopolis Chalk"

Asmodochelys parhami, a new fossil marine turtle from the Campanian Demopolis Chalk and the stratigraphic congruence of competing marine turtle phylogenies

Autor: Jun A. Ebersole, Caitlin R. Kiernan, Andrew D. Gentry

Publikováno v: Royal Society Open Science
Royal Society Open Science, Vol 6, Iss 12 (2019)

Resolving the phylogeny of sea turtles is uniquely challenging given the high potential for the unification of convergent lineages due to systematic homoplasy. Equivocal reconstructions of marine turtle evolution subsequently inhibit efforts to estab

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a454db5159404e7e47defed87681a00b
http://europepmc.org/articles/PMC6936288

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INVESTIGATION OF MICROBES IN PYRITE CONCRETIONS IN THE DEMOPOLIS CHALK, OKTIBBEHA COUNTY MISSISSIPPI

Autor: Heather Anne Fell, Jared Makamson, Kari Oppedal, Roger Sigler, Michelle Lewis, Bryan Beck, Alesha R. Jones, Brenda L. Kirkland, Larry B. Collins

Publikováno v: Geological Society of America Abstracts with Programs.

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::bbecbdcc36b81beb9f841660ac31147a
https://doi.org/10.1130/abs/2019am-339913

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A unique Lower Paleocene shelf-sea chalk in the eastern U.S. Gulf coastal plain (Clayton Formation, western Alabama): Implications for depositional environment, sea-level dynamics and paleogeography

Autor: Richard H. Fluegeman, Charles E. Savrda, Carleton Foster

Publikováno v: Palaeogeography, Palaeoclimatology, Palaeoecology. 538:109439

The deposition of carbonate oozes in shelf-sea settings so prevalent during the Cretaceous generally ceased by the onset of the Paleogene in response to sea-level fall. However, the Lower Paleocene (Danian) Clayton Formation exposed at Moscow Landing

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::36eee61c6fcf8165fb863b8949319345
https://doi.org/10.1016/j.palaeo.2019.109439

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LIMITED ICHNOLOGIC FIDELITY AND TEMPORAL RESOLUTION IN PELAGIC SEDIMENTS: PALEOENVIRONMENTAL AND PALEOECOLOGIC IMPLICATIONS

Autor: Charles E. Savrda

Publikováno v: PALAIOS. 29:210-217

The potential of ichnofabrics to yield information on endobenthic communities, organism behaviors, and paleoenvironmental conditions is widely recognized among sedimentary geologists. However, the extreme range in both ichnologic fidelity and tempora

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::e031db3c57ada2eb1f56b1d68e659cbd
https://doi.org/10.2110/palo.2013.117

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Stratigraphic distribution and habitat segregation of mosasaurs in the Upper Cretaceous of western and central Alabama, with an historical review of alabama mosasaur discoveries

Autor: Caitlin R. Kiernan

Publikováno v: Journal of Vertebrate Paleontology. 22:91-103

A survey of mosasaur material from the Eutaw Formation (Santonian) and Selma Group (Late Santonian–Late Maastrichtian) of western and central Alabama has revealed significant stratigraphic segregation among taxa. Three distinct biozones are recogni

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::1a9c11bac8b9090570dfef54a54d2ffc
https://doi.org/10.1671/0272-4634(2002)022[0091:sdahso]2.0.co

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MATLAB algorithm for grayscale analysis of carbonate cyclicity: example application to Demopolis chalk (Cretaceous, Alabama)

Autor: Charles E. Savrda, Thomas S. Denney, Jeffrey D. Warren

Publikováno v: Computers & Geosciences. 24:923-931

Cyclostratigraphic studies of rhythmically bedded pelagic/hemipelagic carbonate sequences, which are important for understanding paleo-oceanographic conditions and paleoclimatic controls, can be facilitated by computer-assisted grayscale analysis. Ap

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::cc8b0315441552d8ece24db366f0b06d
https://doi.org/10.1016/s0098-3004(98)00079-x

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Ichnofossil tiering analysis of a rhythmically bedded chalk‐marl sequence in the Upper Cretaceous of Alabama

Autor: Robert E. Locklair, Charles E. Savrda

Publikováno v: Lethaia. 31:311-321

Ichnofossils are typically well expressed at bed transitions within rhythmically bedded marine sequences. This is because most discrete biogenic structures therein are actively or passively filled with sediment derived wholly or partly from overlying

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::24fee224106478badba2636b2b0d2055
https://doi.org/10.1111/j.1502-3931.1998.tb00521.x

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Regional Lithostratigraphy and Calcareous Nannofossil Biostratigraphy of the Arcola Limestone Member, Mooreville Chalk, of Eastern Mississippi and Alabama: ABSTRACT

Autor: Charles C. Smith

Publikováno v: AAPG Bulletin. 79

The Arcola Limestone, the upper member of the Mooreville Chalk of Mississippi and Alabama, is the most distinctive lithostratigraphic unit within the Mesozoic or Cenozoic outcrop belt of the eastern Gulf Coastal Plain area. Geographically, the Arcola

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::c4c98ec61edf8800bdd7800c140b79f3
https://doi.org/10.1306/7834dd6e-1721-11d7-8645000102c1865d

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Distribution of Ostracodes in the Upper Cretaceous (Late Santonian Through Middle Maastrichtian) of Alabama and Mississippi

Autor: T. Markham Puckett

Publikováno v: AAPG Bulletin. 76

The large-scale distribution of ostracodes in the Upper Cretaceous deposits of Alabama and Mississippi was studied quantitatively to assess their usefulness in paleoecology and biostratigraphy. The data base consists of 10,174 ostracode valves that w

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::dbf3e8c8e3a6e0be7a96a36715d4eaac
https://doi.org/10.1306/d9cb4f49-1715-11d7-8645000102c1865d

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