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Sunday, August 9, 2020 | History

2 edition of Classification of Oligocene sediments in Nebraska found in the catalog.

Classification of Oligocene sediments in Nebraska

C. Bertrand Schultz

Classification of Oligocene sediments in Nebraska

by C. Bertrand Schultz

  • 263 Want to read
  • 21 Currently reading

Published by University of Nebraska in [Lincoln, Neb.] .
Written in English

    Subjects:
  • Paleontology -- Oligocene.,
  • Paleontology -- Nebraska.,
  • Mammals, Fossil -- Nebraska

  • Edition Notes

    StatementC. Bertrand Schultz, Thompson M. Stout.
    SeriesBulletin of the University of Nebraska State Museum -- v. 4, no. 2
    ContributionsStout, Thompson Mylan, 1914-
    Classifications
    LC ClassificationsQ11 .N35 v.4 no.2
    The Physical Object
    PaginationP. 17-52 p. :
    Number of Pages52
    ID Numbers
    Open LibraryOL19759381M

      Like Folk's classification diagram for gravelly sediment, this scheme is for use on siliciclastic sediments—not high in either organic matter or carbonate minerals. The difference is that this diagram is for sediments with less than 10 percent particles of gravel size, larger than 2 : Andrew Alden. Lura's Geospace. Search this site. Home. bibliographies. , Classification of Oligocene sediments of Nebraska: Bulletin of the University of Nebraska State Museum, v.4, p Stratigraphy, structure, and vertebrate fossils of the Oligocene Brule formation, Slim Buttes, northwestern South Dakota: Geological Society of America Bulletin.

      Sciurid rodents (Mammalia) from the Chadronian and Orellan (Oligocene) of Nebraska. Upper dentition of Protosciurus mengi Black, from the Orellan Brule Formation, Nebraska, is described for the first time. The zygomatic plate is tilted anterodorsally, showing the beginnings of sciuromorphy as in the Arikareean species of this by: Merycoidodontoidea, sometimes called "oreodonts" or "ruminating hogs", is an extinct superfamily of prehistoric cud-chewing artiodactyls with short faces and fang-like canine their name implies, some of the better known forms were generally hog-like, and the group has traditionally been placed within the Suina (pigs, peccaries and their ancestors), though some recent work suggests Class: Mammalia.

    Oligocene epoch ŏl´əgōsēn˝ [], third epoch of the Tertiary period in the Cenozoic era of geologic time, lasting from 38 to 24 million years ago. More of North America was dry land during the Oligocene than in the preceding Eocene Gulf Coast was flooded, but the Atlantic coast N of South Carolina became emergent; the principal formation of the Gulf district was the Vicksburg. The Temnocyoninae are an extinct subfamily of medium-sized bear dogs endemic to North America that lived during the Early Oligocene to Early Miocene about million years ago (Mya) existing for around 10 million years.. Fossil distribution. The first fossils are recorded in North America at Logan Butte in the John Day beds of Oregon 29– Mya, in the Sharps Formation of the Class: Mammalia.


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Classification of Oligocene sediments in Nebraska by C. Bertrand Schultz Download PDF EPUB FB2

Classification of Oligocene Sediments in Nebraska, Bulletin of The University of Nebraska State Museum Volume 4 Number 2, June [C. Bertrand Schultz, Thompson M. Stout] on *FREE* shipping on qualifying offers.

A guide for the stratigraphic collecting of fossil mammals. Illustrated with charts, photos, and 2 fold-outs. Classification of Oligocene Sediments in Nebraska,Bulletin, 04 (02):11 figures, 2 tables.

and Stout, T. Schultz] on *FREE* shipping on qualifying offers. Books Advanced Search New Releases Best Sellers & More Children's Books Textbooks Textbook Rentals Sell Us Your Books. Buy Classification of Oligocene sediments in Nebraska (University of Nebraska State Museum. Bulletin) by C. Bertrand Schultz (ISBN:) from Amazon's Book Store.

Everyday low prices and free delivery on eligible : C. Bertrand Schultz. Classification of Oligocene sediments in Nebraska.

Classification of Oligocene sediments in Nebraska book of University of Nebraska State Museum Soil Survey Staff, Soil Survey of Dawes County Nebraska,Natural Resources Conservation Service, Official Soil Series Descriptions. United States Department of Agriculture.

Accessed online November Toadstool Geologic Park. Late Oligocene strata in mapped channels were derived from about the same sources, whereas finer sediments of this age are mostly of pyroclastic origin. Consideration of these beds and others previously mapped in central and western Wyoming permits reconstruction of the major elements of a probable Oligocene drainage system.

() provided a regional classification for Oligocene sedi ments in western Nebraska, based upon the formation namei and concepts of Darton (, ) and using detailed meas ured sections in the Toadstool Park area of Sioux and westen Dawes County and from the Scottsbluff area. These papers mention exposures in eastern Dawes Count)Cited by: 6.

Oligocene Epoch, third and last major worldwide division of the Paleogene Period ( million to 23 million years ago), spanning the interval between million to 23 million years ago.

The Oligocene Epoch is subdivided into two ages and their corresponding rock stages: the Rupelian and the followed the Eocene Epoch and was succeeded by the Miocene Epoch, the first epoch of the. Preliminary Biostratigraphy of the White River Group (Oligocene, Chadron and Brule Formations) in the Vicinity of Chadron, Nebraska Classification of Oligocene sediments of Nebraska.

: Eric Gustafson. The book provides a comprehensive reference to the sediments and fossils of the Big Badlands and will complement, enhance, and in some ways replace the classic volume by Cleophas C.

O'Harra. The stratigraphic nomenclature for these sediments varies across the region. They are recognized as a group in Nebraska, South Dakota, and North Dakota, as the Chadron and Brule Members of the White River Formation in Douglas, WY, and as the undifferentiated White Cited by: ELSEVIER Sedimentary Geology 90 () SEDIMENTARY GEOLOGY The significance of incision and fluvial sedimentation in the Basal White River Group (Eocene-Oligocene), Badlands of South Dakota, U.S.A.

James E. Evans, Dennis O. Terry, Jr. * Department of Geology, Bowling Green State University, Bowling Green, OhioUSA (Received ; revised version accepted Cited by: 9.

Abstract I examined bone processing in autochthonous assemblages of coprolites and fossil bone, representing ab years of early Oligocene deposition and bone accumulations from Author: Hannan Lagarry. The Oligocene (/ ˈ ɒ l. ɡ ə. s iː n / OL-ih-ghə-seen) is a geologic epoch of the Paleogene Period and extends from about million to 23 million years before the present ( ± to ± Ma).As with other older geologic periods, the rock beds that define the epoch are well identified but the exact dates of the start and end of the epoch are slightly uncertain.

Magnetostratigraphy of the White River Group and its implications for Oligocene geochronology. Palaeogeogr., Palaeoclimatol., Palaeoecol., Magnetostratigraphic studies of the Oligocene White River Group in Wyoming, Colorado, Nebraska, and the Dakotas have yielded a radiometrically-dated polarity stratig- by: Sediments and sedimentary rocks may be divided into two kinds, intrabasinal or autochthonous and extrabasinal or asinal sediments and sedimentary rocks or autochthonous deposits are those whose particles were derived from within the basin of deposition.

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These sediments underlie the present surface of the High Plain, which for the most part, is covered by the Pliocene Ogallala Formation.

Cenozoic deposits beneath the Ogallala emerge in the northern High Plains and include Miocene and Oligocene strata in northeastern Colorado, western Nebraska, eastern Wyoming, and South by: A 'read' is counted each time someone views a publication summary (such as the title, abstract, and list of authors), clicks on a figure, or views or downloads the full-text.

Deposits of the Ogallala Formation accumulated from ca. 18 Ma to around Ma as a series of wedges of clastic sediments shed eastward during Miocene-Pliocene uplift of the Rocky Mountains.

Biostratigraphy and paleoclimatology of the Eocene-Oligocene boundary section at Toadstool Park, northwestern Nebraska, USA Author(s) To improve the chronologic control of the Toadstool Park sediments, we examined the fossil collection at the University of Nebraska State Museum and recorded the stratigraphic level of some important.

the eocene sediments as in J a v a. The Foraminifera faunas of the oligocene and the miocene on the contrary are still very incompletely known. For Europe I have chosen the standard profile of the environs of Biarritz in Southern France, which has become known by the excellent investigations of DOUVILLÉ (13) and BOUSSAC (14).In the Upper Oligocene, Eusmilus dakotensis, a large saber-tooth cat approaching the size of the African lion was the largest known carnivore of its time.

(O'Harra,pp. ) Rodents are known from the Middle and Upper Oligocene and include ancestral squirrels, rabbits, beavers, and rats.SCHULTZ, C. B., AND T. M. STOUT. Classification of Oligocene sediments in Nebraska. Bulletin of the University of Nebraska State Museum, SKINNER, M.

F. The Oligocene of western North Dakota, p. In J. D. Bump (ed.), Guide Book, Fifth Field Conference of the Society of Vertebrate Paleontology in Western South Dakota.