| Sample identification | ||
|---|---|---|
| Record ID | 1640 | |
| Sample ID | 78ANf20 | |
| Geographic location | ||
| Quadrangle | Medfra | |
| Latitude | 63.224998 | |
| Longitude | -154.770004 | |
| Processing information | ||
| Dating method | K-Ar | |
| Comment | Nixon Fork Mine | |
| Reference | Moll et al, 1981 | |
| Sample characteristics | ||
| Rock type | quartz monzonite | |
| Mineral dated | biotite | |
| Analytic result | ||
| Age (my) | 70.4 | |