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Ammonites from the Buchia zones in northwestern California and southwestern Oregon /

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Bibliographic Details
Main Authors: Imlay, Ralph W. (Ralph Willard), 1908-1989 (Author), Jones, David Lawrence, 1930- (Author)
Format: Government Document eBook
Language:English
Published: Washington : United States Department of the Interior, Geological Survey, 1970.
Series:Geological Survey professional paper ; 647-B.
Subjects:
Ammonoidea > California.
Ammonoidea > Oregon.
Paleontology > Cretaceous.
Paleontology > Jurassic.
Paleontology > California.
Paleontology > Oregon.
Ammonoidea.
Cretaceous Geologic Period.
Jurassic Geologic Period.
Paleontology.
California.
Oregon.
From 65 to 190 million years ago
Online Access:https://purl.fdlp.gov/GPO/gpo87744
Description
Item Description:Title from title screen (viewed September 30, 2014).
"Jurassis (Tithonian) and Cretaceous Buchia zones in northwestern California and southwestern Oregon."
"Some Late Jurassic and Early Cretaceous ammonites date the Buchia zones and furnish correlations with the Boreal and Tethyan Realms."
Physical Description:1 online resource (iv, B59 pages, 15 unnumbered pages of plates) : illustrations, maps.
Bibliography:Includes bibliographical references (pages B53-B55) and index.