Analytical method: UNKNOWN
| Technique | UNKNOWN |
|---|---|
| Material | WHOLE ROCK |
| Mineral | none |
| Institution | Unknown, Unknown, USA |
| Reference | Mahood, G A (1981) Chemical evolution of a Pleistocene rhyolitic center; Sierra la Primavera, Jalisco, Mexico. Contributions to Mineralogy and Petrology. 77; 2, Pages 129-140. 1981. |
Samples analysed with this method
283, 182, 184, 73, 323, 255, 256, 290, 210, 234, 175, 90, 40