Analytical method: UNKNOWN
| Technique | UNKNOWN |
|---|---|
| Material | WHOLE ROCK |
| Institution | USGS DENVER, DENVER, CO, USA |
| Reference | Scott, R. B. and M. Castellanos (1984) Preliminary report on the geologic character of drill holes USW GU-3 and USW G-3. U. S. Geol. Survey Open-file Report 84-491, 121 pp., 1984 |