Stratigraphy and biostratigraphy of late Cenozoic deposits in central Sioux County, western Nebraska. Bulletin of the AMNH ; v. 158, article 5

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dc.contributor.authorSkinner, Morris F.en_US
dc.contributor.authorSkinner, Shirley M.en_US
dc.contributor.authorGooris, Raymond J.en_US
dc.date.accessioned2005-10-06T15:05:00Z
dc.date.available2005-10-06T15:05:00Z
dc.date.issued1977en_US
dc.descriptionp. 265-371, [9] folded leaves of plates : ill., maps ; 26 cm.en_US
dc.descriptionIncludes bibliographical references (p. 363-369) and indexes.en_US
dc.description.abstract"The objectives of the present report are (1) to interpret in detail the geology of the Sheep Creek-Snake Creek beds of Sioux County, northwestern Nebraska, which have produced more than 30,000 vertebrate fossil specimens, and (2) to supply precise data for these fossils so that future research will conform to historical data and field observations. An erosional remnant of former high plains, which contains the historic Sheep Creek-Snake Creek beds, has preserved a record of geologic history from early through late Miocene time. A remnant of paleovalley that once contained the streams of the early Miocene Sheep Creek (late Hemingfordian) and the late Miocene Snake Creek formations can be seen in the northwest part of the area. The early Medial Miocene (early Barstovian) Olcott Formation (New), the former Lower Snake Creek beds of Matthew, 1924a, crops out in the classic Sinclair Draw and Olcott Hill area that was explored in the early 1900s. The revised and restricted Snake Creek Formation is divided into three new members: the Medial Miocene Murphy Member (early Clarendonian) on Olcott Hill and in East Pliohippus Draw, the Medial Miocene Laucomer Member (late Clarendonian) on Olcott Hill, and the late Miocene Johnson Member that carries early and late Hemphillian faunas. The present report also deals with the documentary data of early collectors whose numerous synonymous names for some of the 57 quarries has led to the dissipation of faunas"--P. 271.en_US
dc.format.extent27611633 bytes
dc.format.mimetypeapplication/pdf
dc.identifier.urihttp://hdl.handle.net/2246/1233
dc.languageengen_US
dc.language.isoen_US
dc.publisherNew York : American Museum of Natural Historyen_US
dc.relation.ispartofseriesBulletin of the American Museum of Natural History ; v. 158, article 5en_US
dc.subject.lccQH1 .A4 vol.158, art.5, 1977en_US
dc.subject.lcshGeology, Stratigraphic -- Cenozoic -- Nebraska -- Sioux County.en_US
dc.subject.lcshGeology -- Nebraska -- Sioux County.en_US
dc.subject.lcshPaleontology -- Neogene -- Nebraska -- Sioux County.en_US
dc.subject.lcshPaleontology -- Nebraska -- Sioux County.en_US
dc.subject.lcshPaleontology -- Nebraska -- Sioux County -- History.en_US
dc.titleStratigraphy and biostratigraphy of late Cenozoic deposits in central Sioux County, western Nebraska. Bulletin of the AMNH ; v. 158, article 5en_US
dc.title.alternativeCenozoic depositsen_US
dc.typetexten_US

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