Analytical method: UNKNOWN
| Technique | UNKNOWN |
|---|---|
| Material | WHOLE ROCK |
| Mineral | none |
| Institution | Unknown, Unknown, USA |
| Reference | Verma, Surendra P (2000) Geochemistry of the subducting Cocos Plate and the origin of subduction-unrelated mafic volcanism at the volcanic front of the central Mexican volcanic belt. Special Paper - Geological Society of America. 334; Pages 195-222. 2000. |