Analytical method: UNKNOWN
| Technique | UNKNOWN |
|---|---|
| Material | WHOLE ROCK |
| Mineral | none |
| Reference | Weigand, Peter W; Savage, Karen L; Nicholson, Craig (2002) The Conejo Volcanics and other Miocene volcanic suites in southwestern California. Special Paper - Geological Society of America. 365; Pages 187-204. 2002. |