Glauconite from the precambrian belt series, Montana
Science
By: R. A. Gulbrandsen, S. S. Goldich, and H.H. Thomas
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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.
| 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 |
| Larger Work Title | Science |
| First page | 390 |
| Last page | 391 |
| Google Analytic Metrics | Metrics page |