Výsledky vyhledávání - "W. A. Cobban"

Interregional correlation of disconformities in Upper Cretaceous strata, Western Interior Seaway: Biostratigraphic and sequence-stratigraphic evidence for eustatic change

Autor: I. Walaszczyk, J. A. Shank, A. G. Plint, W. A. Cobban

Publikováno v: Geological Society of America Bulletin. 126:307-316

We are pleased to have this opportunity to address the main points raised by [Krause and Braunberger (2015)][1]. In 1964, Scott and Cobban, in their study of the Peck Creek section, noted that the top of bed 29 was “very smooth,” a description no

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::99af2bdcfcbf9ec232b07a8fcd02268c
https://doi.org/10.1130/b30823.1

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Litophragmatoceras incomptum gen. et sp.nov. (Cretaceous Ammonoidea) , a cryptic micromorph from the Upper Cenomanian of Arizona

Autor: W. A. Cobban, William James Kennedy

Litophragmatoceras incomptum gen. et sp.nov. is a small dimorphic planulate ammonite from the Upper Cenomanian Metoicoceras mosbyense Zone of Arizona in which microconchs are adult at as little as 5 mm diameter and macroconchs at 23 mm diameter or le

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::68ceb8617df9d49fd95facbc0e01017e
https://ora.ox.ac.uk/objects/uuid:5ff96b37-43e5-42c6-bb0d-7124608626ca

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Regional stratigraphic cross sections of Cretaceous rocks from east-central Arizona to the Oklahoma Panhandle

Autor: W. A. Cobban, J.M. Holbrook, C.M. Molenaar, C. L. Pillmore, E.A. Merewether, D.G. Wolfe

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::aed2e38a01a84cc25960fc856686e827
https://doi.org/10.3133/mf2382

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Chapter D4g The Campanian-Maastrichtian ammonite fauna from Tercis (Landes, France); a synthetic view

Autor: G.S. Odin, P.-H. Courville, W. A. Cobban, Marcin Machalski

Sommaire L'interet stratigraphique des ammonites est reconnu et leur presence est attestee a Tercis par les exemplaires conserves dans les collections anciennes. Une recherche intense de materiel paleontologique a ete entreprise sur le site geologiqu

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::d60d51653c4d05ea0190102a7908d591
https://doi.org/10.1016/s0920-5446(01)80054-6

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The last Western InteriorBaculitesfrom the Fox Hills Formation of South Dakota

Autor: W. A. Cobban, William James Kennedy

Publikováno v: Journal of Paleontology. 66:682-684

Species ofBaculitesare important marker fossils in the Upper Cretaceous rocks of the Western Interior of the United States and provide indices for 20 of the 29 Campanian and Maastrichtian zones recognized by Cobban (inGill and Cobban, 1966; Cobban, 1

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::59455557a8e7abb66e58d7a9c6dd8f8a
https://doi.org/10.1017/s0022336000024550

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Rhamphidoceras saxatilisn. gen. and sp., a micromorph ammonite from the lower Turonian of Trans-Pecos Texas

Autor: W. A. Cobban, William James Kennedy

Publikováno v: Journal of Paleontology. 64:666-668

Over the past few years, the authors, along with colleagues, have documented the late Cenomanian and early Turonian ammonite faunas of the Western Interior region of the United States and its extension into Texas (Cobban, 1987, 1988a, 1988b; Cobban a

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::aacbd40dbb096c77902cff38a8bdaeb3
https://doi.org/10.1017/s0022336000042748

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