Analytical method: UNKNOWN
| Technique | UNKNOWN |
|---|---|
| Material | WHOLE ROCK |
| Mineral | none |
| Institution | USGS MENLO PARK, MENLO PARK, CA 94025, USA |
| Reference | Bacon, Charles R; Duffield, Wendell A (1981) Late Cenozoic rhyolites from the Kern Plateau, southern Sierra Nevada,California. American Journal of Science, vol.281, no.1, pp.1-34, Jan 1981 |