K-Ar Ages of the Volcanics in the Rattlesnake Hills, Central Wyoming
Pekarek, Alfred H; Marvin, Richard F; Mehnert, Harald H (1974) K-Ar Ages of the Volcanics in the Rattlesnake Hills, Central Wyoming. Geology Boulder, vol.2, no.6, pp.283-285, 1974
| Authors | Pekarek, Alfred H; Marvin, Richard F; Mehnert, Harald H |
|---|---|
| Year | 1974 |
| Title | K-Ar Ages of the Volcanics in the Rattlesnake Hills, Central Wyoming |
| Source | Geology Boulder, vol.2, no.6, pp.283-285, 1974 |
| ISSN | 0091-7613 |
| GeoRef | 1974-033644 |
| Keywords | absolute age; age; Cenozoic; central; dates; duration; Eocene; geochronology; igneous rocks; K/Ar; Natrona County Wyoming; Paleogene; phonolites; Rattlesnake Hills; rhyodacites; Tertiary; United States; volcanic; volcanic rocks; volcanism; volcanology; Wyoming |
| DOI | 10.1130/0091-7613(1974)2<283:KAOTVI>2.0.CO;2 |
Abstract
Eocene volcanism, minimum time span of 5 m.y.
2 samples from this reference
| Sample | Rock name | Major | Trace | Isotope |
|---|---|---|---|---|
| R - rhyodacite | Rhyodacite | yes | ||
| P - phonolite | Phonolite | yes |