Shorter contributions to the stratigraphy and geochronology of Upper Cretaceous rocks in the Western Interior of the United States.

Format:

Book

Government document

Contributor:

Geological Survey (U.S.), issuing body.

Series:

U.S. Geological Survey bulletin ; 2113.

U.S. Geological Survey bulletin ; 2113

Language:

English

Subjects (All):

Geology--Idaho.

Geology.

Geology--Montana.

Geology--West (U.S.).

Geology, Stratigraphic--Cretaceous.

Geology, Stratigraphic.

Cretaceous Geologic Period.

Idaho.

Montana.

West United States.

Genre:

Online resources.

Physical Description:

1 online resource (various pagings) : illustrations, maps

Other Title:

Stratigraphy and geochronology of Upper Cretaceous rocks, Western Interior, U.S.

Place of Publication:

Washington : United States Government Printing Office, 1995.

Contents:

A. Conglomerate facies and contact relationships of the Upper Cretaceous upper part of the Frontier Formation and lower part of the Beaverhead Group, Lima Peaks area, southwestern Montana and southeastern Idaho / by T.S. Dyman, J.C. Haley, and W.J. Perry, Jr.

B. U-Pb ages of volcanogenic zircon from porcellanite beds in the Vaughn Member of the Mid-Cretaceous Blackleaf Formation, southwestern Montana / by R.E. Zartman [and others]

C. Occurrences of the free-swimming Upper Cretaceous crinoids Uintacrinus and Marsupites in the western interior of the United States / by William A. Cobban.

Notes:

Title from title screen (viewed August 25, 2014).

Also available online in PDF format from the U.S. Geological Survey Warehouse (http://pubs.er.usgs.gov/).

Includes bibliographical references.

"This volume is published as chapters A-C. These chapters are not available separately."

Other Format:

Print version: Shorter contributions to the stratigraphy and geochronology of Upper Cretaceous rocks in the Western Interior of the United States

OCLC:

889716156