Sample 91
NavDat sample number 8490 · SYENITE
Sample
| Sample ID | 91 |
|---|---|
| Rock name | SYENITE |
| Rock type | PLUTONIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
Location
| Latitude | 39.775 |
|---|---|
| Longitude | -105.492 |
| Location | Pleasant Valley |
| State / province | COLORADO |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 77.5 | 75.1 | 79.9 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| K | 5.7 | WT% | FPHOT |