Sample 28
NavDat sample number 5609 · PHONOLITE
Sample
| Sample ID | 28 |
|---|---|
| Rock name | PHONOLITE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
| Comment | holocrystalline, porphyritic; bearing aegirine and hauyne |
Location
| Latitude | 42.7113 |
|---|---|
| Longitude | -107.289 |
| Location | Split Rock |
| State / province | Wyoming |
| Volcanic field | Rattlesnake Hills |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 44.7 | 43.7 | 45.7 |