Summary of miscellaneous potassium-argon age measurements, U.S. Geological Survey, Menlo Park, California, for the years 1972-74
Circular
727
Edited by: A.L. Berry, G. B. Dalrymple, M. A. Lanphere, and J.C. Von Essen
Compiled by: A.L. Berry, G. B. Dalrymple, M. A. Lanphere, and J.C. Von Essen
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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.
Suggested Citation
1976, Summary of miscellaneous potassium-argon age measurements, U.S. Geological Survey, Menlo Park, California, for the years 1972-74: U.S. Geological Survey Circular 727, iii, 13 p. ;26 cm., https://doi.org/10.3133/cir727.
ISSN: 2330-5703 (online)
| 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 |
| DOI | 10.3133/cir727 |
| Year Published | 1976 |
| Language | ENGLISH |
| Publisher | U.S. Geological Survey, |
| Description | iii, 13 p. ;26 cm. |