Sample USGSD-I-15
NavDat sample number 7980 · RHYODACITE
Sample
| Sample ID | USGSD-I-15 |
|---|---|
| Rock name | RHYODACITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
| Comment | pilotaxitic; crystals of olivine, augite, and hypersthene; some glass may be present |
Location
| Latitude | 45.5619 |
|---|---|
| Longitude | -112.681 |
| Location | Beaverhead County |
| State / province | Montana |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 47.1 | 45.5 | 48.7 |
Analyses
No chemical analyses are stored for this sample.