Sample 91-171
NavDat sample number 36178 · PYROCLASTIC-FALL
Sample
| Sample ID | 91-171 |
|---|---|
| Rock name | PYROCLASTIC-FALL |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
| Comment | light gray; matrix of shards in glass |
Location
| Latitude | 44.7428 |
|---|---|
| Longitude | -112.898 |
| State / province | Montana |
| Volcanic field | Challis Volcanic Group |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 47.07 | 46.94 | 47.2 |
Analyses
No chemical analyses are stored for this sample.