Sample 82
NavDat sample number 16733 · TRACHYTE
Sample
| Sample ID | 82 |
|---|---|
| Rock name | TRACHYTE |
| Rock type | PLUTONIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
| Comment | intrusive, hypabyssal |
Location
| Latitude | 44.3601 |
|---|---|
| Longitude | -103.813 |
| Location | Black Hills |
| State / province | South Dakota |
| Volcanic field | Richmond Hill intrusive complex |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 49 | 39 | 60 |