Sample 16
NavDat sample number 1674 · TRACHYANDESITE
Sample
| Sample ID | 16 |
|---|---|
| Alternate ID | 648-181 |
| Rock name | TRACHYANDESITE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
Location
| Latitude | 44.9471 |
|---|---|
| Longitude | -120.415 |
| State / province | Oregon |
| Formation | John Day Formation |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 25.05 | 16.4 | 33.7 |