| Sample identification | ||
|---|---|---|
| Record ID | 2229 | |
| Sample ID | A52716 | |
| Geographic location | ||
| Quadrangle | Petersburg | |
| Latitude | 56.518333 | |
| Longitude | -132.059998 | |
| Processing information | ||
| Dating method | K-Ar | |
| Comment | Questionable age calculation | |
| Reference | Douglass et al, 1989 | |
| Sample characteristics | ||
| Rock type | granite | |
| Mineral dated | biotite | |
| Analytic result | ||
| Age (my) | 16.3 | |