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Glauconite from the precambrian belt series, Montana

Science

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Abstract

Glauconite from the upper part of the Missoula Group of the Belt Series, Flathead County, Montana, has been dated at 1070 million years by potassium-argon and rubidium-strontium analyses. This is the first glauconite of Precambrian age reported in North America.

Additional Publication Details

Publication type:
Article
Publication Subtype:
Journal Article
Title:
Glauconite from the precambrian belt series, Montana
Series title:
Science
Volume
140
Issue:
3565
Year Published:
1963
Language:
English
Larger Work Type:
Article
Larger Work Subtype:
Journal Article
First page:
390
Last page:
391
Number of Pages:
2