Sample 91-104
NavDat sample number 36188 · PYROCLASTIC-FALL
Sample
| Sample ID | 91-104 |
|---|---|
| Rock name | PYROCLASTIC-FALL |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
| Comment | glassy matrix with some relict shard structure; conformably overlain by limestone |
Location
| Latitude | 44.755 |
|---|---|
| Longitude | -113.088 |
| State / province | Montana |
| Volcanic field | Challis Volcanic Group |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 45.04 | 44.91 | 45.17 |
Analyses
No chemical analyses are stored for this sample.