Sample 40
NavDat sample number 5608 · PHONOLITE
Sample
| Sample ID | 40 |
|---|---|
| Rock name | PHONOLITE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
| Comment | holocrystalline, porphyritic |
Location
| Latitude | 42.7358 |
|---|---|
| Longitude | -107.322 |
| State / province | Wyoming |
| Volcanic field | Rattlesnake Hills |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 44.7 | 43.7 | 45.7 |