⁴⁰Ar/³⁹Ar ages of some Challis Volcanic Group rocks and the initiation of Tertiary sedimentary basins in southwestern Montana /

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Bibliographic Details
Author / Creator:M'Gonigle, John W., author.
Imprint:Washington : United States Government Printing Office, 1996.
Description:1 online resource (iii, 17 pages) : illustrations, maps.
Language:English
Series:U.S. Geological Survey bulletin ; 2132
U.S. Geological Survey bulletin ; 2132.
Subject:Argon-argon dating.
Geology, Stratigraphic -- Tertiary.
Igneous rocks -- Montana.
Argon-argon dating.
Geology, Stratigraphic.
Igneous rocks.
Tertiary Geologic Period.
Montana.
Format: E-Resource U.S. Federal Government Document Book
URL for this record:http://pi.lib.uchicago.edu/1001/cat/bib/11042339
Hidden Bibliographic Details
Other authors / contributors:Dalrymple, G. Brent, author.
Geological Survey (U.S.), issuing body.
Notes:Title from title screen (viewed August 28, 2014).
Also available online in PDF format from the U.S. Geological Survey Warehouse (http:/pubs.er.usgs.gov/).
"A summary of ⁴⁰Ar/³⁹Ar age analyses of eighteen samples of volcanic rocks from the Challis Volcanic Group and a summary of basin stratigraphy in southwestern Montana."
Includes bibliographical references (pages 6-7).
Other form:Print version: M'Gonigle, John W. ⁴⁰Ar/³⁹Ar ages of some Challis Volcanic Group rocks and the initiation of Tertiary sedimentary basins in southwestern Montana
GPO item no.:0620 (online)
Govt.docs classification:I 19.3:2132