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Thursday, May 14, 2020 | History

2 edition of Stratigraphy and composition of the Sharon Springs Member of the Pierre Shale in western Kansas found in the catalog.

Stratigraphy and composition of the Sharon Springs Member of the Pierre Shale in western Kansas

James R. Gill

Stratigraphy and composition of the Sharon Springs Member of the Pierre Shale in western Kansas

by James R. Gill

  • 100 Want to read
  • 39 Currently reading

Published by U.S. Govt. Print. Off. in Washington .
Written in English

    Places:
  • Kansas,
  • Logan Co.,
  • Wallace Co.
    • Subjects:
    • Geology -- Stratigraphic -- Cretaceous.,
    • Geology -- Kansas -- Logan Co.,
    • Geology -- Kansas -- Wallace Co.

    • Edition Notes

      Bibliography: p. 45-47.

      Statementby James R. Gill, William A. Cobban, and Leonard G. Schultz.
      SeriesGeological survey professional paper, 728, Geological Survey professional paper ;, 728.
      ContributionsCobban, William Aubrey, 1916- joint author., Schultz, Leonard Gene, 1926- joint author.
      Classifications
      LC ClassificationsQE685 .G54
      The Physical Object
      Paginationiv, 50 p.
      Number of Pages50
      ID Numbers
      Open LibraryOL5389017M
      LC Control Number72600083

      Forestburg limestone divides the upper and lower shale members of the Barnett, but thins rapidly to the south and west to a zero edge in southern Wise and Denton counties. In the western part of the basin, the Barnett Shale interfingers with and thins over the top of the Chappel Limestone. Mineralogy and stratigraphy of the lower part of the Pierre Shale, South Dakota and Nebraska Professional Paper B By: L.G. Schultz.

        The age of the Pierre Shale is estimated to range from the upper Cenomanian to early Maastrichtian based on ammonite stratigraphy (e.g., Cobban ), and this formation is distributed in a wide area including east-central Montana, south-central Colorado, western Kansas, western South Dakota, eastern Wyoming (e.g., Metz ) and southern Utah Cited by: 4. The upper transition member is bounded below by the upper shale unit of the Pierre Shale, the upper ft ( m) of which consist of silty and sandy shale near Boulder, Colorado. The upper transition member is bounded above by the Fox Hills Formation. However, Scott and Cobban (, b) reported that the lower boundary of the Fox.

      The Mowry Shale (Albian-Cenomanian) is an extensive mudrock dominated unit historically believed to represent a single, long-term deep water sequence within the Western Cordilleran Foreland Basin of North America. While the Mowry Shale has received study for almost a century, detailed stratigraphic context is still lacking. Such an understanding will be required as the formation is Author: Jordan M Bremer. Models for depositional environments in which bedded chert formed are still in the early stages of development. A model for deposition of the Upper Chert and Shale Member is presented: 1) Bedded green and black radiolarian chert was deposited, probably unconformably, on top of the Upper Novaculite Member of the Caballos : Susan D. Hovorka.


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Stratigraphy and composition of the Sharon Springs Member of the Pierre Shale in western Kansas by James R. Gill Download PDF EPUB FB2

STRATIGRAPHY AND COMPOSITION OF THE SHARON SPRINGS MEMBER OF THE PIERRE SHALE IN WESTERN KANSAS By JAMES R. GILL, WILLIAM A. COBBAN, and LEONARD G. SCHULTZ ABSTRACT The Sharon Springs Member of the Pierre Shale is a wide­ spread unit that can be recognized readily in outcrops by itsCited by: Get this from a library.

Stratigraphy and composition of the Sharon Springs Member of the Pierre Shale in western Kansas. [James R Gill; William Aubrey Cobban; Leonard Gene Schultz; Geological Survey (U.S.),] -- Additional title page description: Stratigraphic and mineralogic study of one of the more distinctive and widespread shale units of Late Cretaceous age in the western interior of the.

The Pierre Shale / p ɪər ʃ eɪ l / is a geologic formation or series in the Upper Cretaceous which occurs east of the Rocky Mountains in the Great Plains, from Pembina Valley in Canada to New Mexico. The Pierre Shale was described by Meek and Hayden in in the Proceedings of the Academy of Sciences (Philadelphia).

They described it as a dark-gray shale, fossiliferous, with veins and Country: United States, Canada. The lower Pierre Shale represents a time of significant changes in the Cretaceous Western Interior Seaway, resulting from complex interactions of tectonism and eustatic sea level changes.

The recognition and redefinition of the units of the lower Pierre Shale has facilitated understanding of the dynamics of the basin. The Burning Brule Member of the Sharon Springs Formation is restricted to Cited by: Upper Cretaceous Stratigraphy and Depositional Environments of Western Kansas by Donald E.

Hattin, Indiana University, and Charles T. Siemers, Cities Service Company Assisted by Gary F. Stewart, Oklahoma State University. Originally published in as Kansas Geological Survey Guidebook 3. The book was reprinted in with some modifications. Member. The fifth and youngest member of the Pierre Shale exposed in eastern North Dakota remains unnamed because of a lack of adequate stratigraphic and faunal data.

INTRODUCTION Much of the Pierre Shale of Late Cretaceous age is exposed in two main areas in North Dakota (fig.!):(!) the Valley City area in the central southeastern part ofCited by: The lower Pierre Shale represents a time of significant changes in the Cretaceous Western Interior Seaway, resulting from complex interactions of tectonism and eustatic sea level : Janet Bertog.

Vertebrate Biostratigraphy of the Smoky Hill Chalk (Niobrara Formation) and the Sharon Springs Member (Pierre Shale) July DOI: /_ The Cretaceous Pierre Shale Group in eastern South Dakota and western Wyoming contains numerous fossils, including the flying reptile Pteranodon, 19 specimens of which are described odon specimens have been found in the two lower formations of the Pierre Shale Group: 4 in the basal Gammon Ferruginous Formation, and 15 in the overlying Sharon Springs Formation.

The "Algal limestone" in this area ranges from 2 to feet in thickness and is remarkably uniform. His map shows configuration of the erosion surface developed on the Pierre Shale in the area.

According to McLaughlin (), the thickness of the Ogallala Formation in Baca County, Colorado, ranges from a featheredge to about feet. the Gammon Ferruginous Member, Sharon Springs Member, and Mitten Black Shale Member of the lower Pierre Shale.

In their work on the Pierre Shale, Gill and Cobban () suggested that the description given by Moxon, Olson, and Searight () for File Size: KB.

The Sharon Springs Member was first named in western Kansas from exposures of organic-rich black shale (Elias, ). As originally described, the member included three units: an organic-rich shale unit, a buttress-weathering shale unit, and a phosphate nodule unit (Gill et al., ) (Fig.

2) —the latter two units are considered the Boyer. Middle Cretaceous stratigraphy on the south and east sides of the Uinta Basin, northeastern Utah and northwestern Colorado by C. M Molenaar (Book) 11 editions published between and in English and held by WorldCat member libraries worldwide.

A new juvenile specimen of Pteranodon from the Smoky Hill Chalk Member of the Niobrara Formation of western Kansas had an estimated wingspan in life of m, ~45% smaller than the smallest previously known specimens, but does not differ in morphology from larger specimens.

Its presence indicates that juveniles were capable of flying long distances, so it falsifies the interpretation Cited by: 3. Gill, W. Cobban and L. Schultz, “Stratigraphy and Composition of the Sharon Springs Member of the Pierre Shale in Western Kansas: US Geological Survey Professional Paper ,” J.

Gill and W. Cobban, “The Redbird Section of the Upper Cretaceous Pierre Shale in by: 1. The Niobrara Formation / ˌ n aɪ. ə ˈ b r ær ə /, also called the Niobrara Chalk, is a geologic formation in North America that was deposited between 87 and 82 million years ago during the Coniacian, Santonian, and Campanian stages of the Late is composed of two structural units, the Smoky Hill Chalk Member overlying the Fort Hays Limestone y: Canada, United States.

sequence of black shale and prominent siltstones, the Muddy sandstone, and an upper sequence of black shale and a few bentonites.

This paper restricts the term "Thermopolis shale" to only the lowest of these three units in conformity with local usage, proposes the File Size: 4MB.

Buy Mineralogy and Stratigraphy of the Lower Part of the Pierre Shale, South Dakota and Nebraska on FREE SHIPPING on qualified orders. The Sharon Springs Member has relatively high organic carbon content. Therefore, determining its continuity throughout the study area and its source rock potential was one of the main focuses of this study in addition to building the sequence.

Correlates Mitten black shale member in northern Black Hills, MT and SD, with Sharon Springs member in southwestern Black Hills, WY. Gammon ferruginous member is a wedge of shale that appears between Sharon Springs member and underlying Niobrara rocks a few mi north of Newcastle, Weston Co, WY, and thickens northward.

Late Cretaceous in age. Stratigraphy and composition of the Sharon Springs Member of the Pierre Shale in Kansas. United States Geological Survey, Professional Paper50 pp., 2 pl. Leidy, J. A=Anderson River, NWT, P=Pembina Member of the Pierre Shale, southern Manitoba, SS=Sharon Springs Member of the Pierre Shale, South Dakota-Wyoming, N= Niobrara, Smoky Hill Chalk Member, west-central Kansas, M= Mooreville Chalk, Selma Group, Alabama.

black, organic-rich shale interbedded with seams of by: The age of the St. Peter Sandstone in the central and northern Midcontinent has long been considered equivocal because of the general absence of biostratigraphically useful fossils. Conodonts recovered from the St. Peter Sandstone in Iowa, Minnesota, Nebraska, and Kansas for this study help place some age constraints on this renowned formation in its northern and western extent.