Analytical method: UNKNOWN
| Technique | UNKNOWN |
|---|---|
| Material | WHOLE ROCK |
| Mineral | none |
| Institution | Unknown, Unknown, USA |
| Reference | Gill, James B; Williams, Ross W (1990) Th isotope and U-series studies of subduction-related volcanic rocks. Geochimica et Cosmochimica Acta. 54; 5, Pages 1427-1442. 1990. |