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Summary of miscellaneous potassium-argon age measurements, U.S. Geological Survey, Menlo Park, California, for the years 1972-74

Circular 727

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Abstract

Potassium-argon age measurements are reported for 61 mineral separates and rock samples from Alaska, Arizona, California, Idaho, Utah, and Washington. The age report for each sample gives location, analytical data, and a brief geologic interpretation.

Additional Publication Details

Publication type:
Report
Publication Subtype:
USGS Numbered Series
Title:
Summary of miscellaneous potassium-argon age measurements, U.S. Geological Survey, Menlo Park, California, for the years 1972-74
Series title:
Circular
Series number:
727
Edition:
-
Year Published:
1976
Language:
ENGLISH
Publisher:
U.S. Geological Survey,
Description:
iii, 13 p. ;26 cm.