Sample 17
NavDat sample number 5613 · PHONOLITE
Sample
| Sample ID | 17 |
|---|---|
| Rock name | PHONOLITE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
| Comment | holocrystalline, porphyritic; bearing hornblende and nosean |
Location
| Latitude | 42.7532 |
|---|---|
| Longitude | -107.29 |
| Location | Hollow Top |
| State / province | Wyoming |
| Volcanic field | Rattlesnake Hills |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 44.7 | 43.7 | 45.7 |