| Sample identification | ||
|---|---|---|
| Record ID | 1245 | |
| Sample ID | 2 | |
| Geographic location | ||
| Quadrangle | Juneau | |
| Latitude | 58.841667 | |
| Longitude | -135.041672 | |
| Processing information | ||
| Dating method | K-Ar | |
| Comment | Jualin mine, hydrothermal muscovite from quartz vein | |
| Reference | Goldfarb et al, 1991 | |
| Sample characteristics | ||
| Rock type | other | |
| Mineral dated | muscovite | |
| Analytic result | ||
| Age (my) | 55.5 | |