Sample USGSD-114-1
NavDat sample number 7972 · RHYODACITE
Sample
| Sample ID | USGSD-114-1 |
|---|---|
| Rock name | RHYODACITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
| Comment | pilotaxitic; plagioclase, olivine, augite, and opaques |
Location
| Latitude | 45.6861 |
|---|---|
| Longitude | -112.804 |
| Location | stratigraphically below USGSD-115-2; Beaverhead County |
| State / province | Montana |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 47 | 45.4 | 48.6 |
Analyses
No chemical analyses are stored for this sample.