Sample 91630
NavDat sample number 5878 · TRACHYTE
Sample
| Sample ID | 91630 |
|---|---|
| Rock name | TRACHYTE |
| Rock type | PLUTONIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
Location
| Latitude | 44.3833 |
|---|---|
| Longitude | -103.817 |
| State / province | South Dakota |
| Volcanic field | Northern Cutting Stock, Black Hills Tertiary igneous province |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 50 | 45 | 55 |