Sample H39a
NavDat sample number 18453 · SHOSHONITE
Sample
| Sample ID | H39a |
|---|---|
| Rock name | SHOSHONITE |
| Rock type | PLUTONIC |
| Composition | MAFIC |
| Material | IGNEOUS |
| Comment | plagioclase and rare hornblende phenocrysts in aphanitic matrix |
Location
| Latitude | 44.8067 |
|---|---|
| Longitude | -109.563 |
| State / province | Wyoming |
| Volcanic field | Absaroka Volcanic Province |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 93.4 | 66.1 | 120.7 |