Analytical method: MS
| Technique | MS |
|---|---|
| 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. |