Sample No Sample Name
NavDat sample number 29590 · RHYOLITE
Sample
| Sample ID | No Sample Name |
|---|---|
| Rock name | RHYOLITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
| Comment | rhyolitic obsidian |
Location
| Latitude | 41.6167 |
|---|---|
| Longitude | -121.5 |
| Location | Big Glass Mountain |
| State / province | California |
| Volcanic field | Medicine Lake Highlands |
| Location comment | south of ridge of pumice breccia in rhyolite-dacite composite lava field |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 0 | 0 | 0.01 | Holocene |