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

Author/Creator:

M'Gonigle, John W.

Publication/Creation:

Denver, CO : For sale by the U.S. Geological Survey, Information Services

Format:

Book

More Details

Additional/Related Title Information

Full 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

Series Titles:

Geological Survey bulletin ; 2132
U.S. Geological Survey bulletin ; 2132.

Related Names

Additional Author/Creators:

Dalrymple, G. Brent

Subjects/Genre

Subjects:

Igneous rocks--Montana
Argon-argon dating--Montana
Geology, Stratigraphic--Tertiary

Description/Summary

Bibliography:

Includes bibliographical references (pages 6-7).

Language:

English

Physical Type/Description:

17 pages : illustrations, maps ; 28 cm

General 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."
Shipping list no.: 96-0289-P.
One folded leaf of plates in pocket.

Additional Identifiers

Catalog ID (MMSID):

990007265130302486

OCLC Number:

32430810

Barcode:

010003522504