| Sample identification | ||
|---|---|---|
| Record ID | 1577 | |
| Sample ID | 74AMsN4 | |
| Geographic location | ||
| Quadrangle | McCarthy | |
| Latitude | 61.459999 | |
| Longitude | -142.669998 | |
| Processing information | ||
| Dating method | K-Ar | |
| Comment | Nikolai Creek, chloritized greenstone | |
| Reference | Silberman et al, 1980, 1981a,c | |
| Sample characteristics | ||
| Rock type | greenstone | |
| Mineral dated | whole rock | |
| Analytic result | ||
| Age (my) | 109 | |