Analytical method: UNKNOWN
| Technique | UNKNOWN |
|---|---|
| Material | WHOLE ROCK |
| Mineral | none |
| Institution | Unknown, Unknown, USA |
| Reference | Simmons, E C; Hedge, C E (1978) Minor-element and Sr-isotope geochemistry of Tertiary stocks, Colorado mineral belt. Contributions to Mineralogy and Petrology. 67; 4, Pages 379-396. 1978. . |