| Sample identification | ||
|---|---|---|
| Record ID | 1914 | |
| Sample ID | DT75-25 | |
| Geographic location | ||
| Quadrangle | Mt. McKinley | |
| Latitude | 63.883335 | |
| Longitude | -150.333328 | |
| Processing information | ||
| Dating method | K-Ar | |
| Comment | Amphibolite dike | |
| Reference | Bundtzen and Turner, 1978 | |
| Sample characteristics | ||
| Rock type | amphibolite | |
| Mineral dated | hornblende | |
| Analytic result | ||
| Age (my) | 122.9 | |