⁴⁰Ar/³⁹Ar ages of some Challis Volcanic Group rocks and the initiation of Tertiary sedimentary basins in southwestern Montana / by John W. M'Gonigle and G. Brent Dalrymple.
1996
QE75 .B9 no.2132 (Mapit)
Available at General Collection
Items
Details
Title
⁴⁰Ar/³⁹Ar ages of some Challis Volcanic Group rocks and the initiation of Tertiary sedimentary basins in southwestern Montana / by John W. M'Gonigle and G. Brent Dalrymple.
Author
Publication Details
Washington : U.S. G.P.O. ; Denver, CO : For sale by the U.S. Geological Survey, Information Services, 19965.
Language
English
Description
iii, 17 p. : ill., maps ; 28 cm.
Call Number
QE75 .B9 no.2132
Dewey Decimal Classification
557.3 s 552/.1/09786
GPO Item No.
0620
Note
"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."
One folded leaf of plates in pocket.
One folded leaf of plates in pocket.
Bibliography, etc. Note
Includes bibliographical references (p. 6-7).
Added Author
Series
U.S. Geological Survey bulletin ; 2132.
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