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Stratigraphic framework of the Absaroka volcanic supergroup in the Yellowstone National Park region /

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Bibliographic Details
Main Authors: Smedes, Harry W. (Harry Wynn), 1926- (Author), Prostka, Harold J. (Author)
Format: Government Document eBook
Language:English
Published: Washington : United States Department of the Interior, Geological Survey, 1972.
Series:Geological Survey professional paper ; 729-C.
Geology of Yellowstone National Park.
Subjects:
Geology, Stratigraphic > Eocene.
Volcanism > Montana.
Volcanism > Wyoming.
Volcanism > Yellowstone National Park.
Eocene Geologic Epoch.
Geology, Stratigraphic.
Volcanism.
Montana.
Wyoming.
From 40 to 55 million years ago
Online Access:https://purl.fdlp.gov/GPO/gpo87636
Description
Item Description:Title from title screen (viewed September 30, 2014).
"A brief description of the stratigraphy of the Eocene Absaroka volcanic field, Wyoming and Montana. The Absaroka Volcanic Supergroup, three groups, five formations, and five members are defined."
Physical Description:1 online resource (v, C33 pages) : illustrations, maps.
Bibliography:cIncludes bibliographical references (pages C32-C33).