Sample 389
NavDat sample number 1654 · GRANODIORITE
Sample
| Sample ID | 389 |
|---|---|
| Rock name | GRANODIORITE |
| Rock type | PLUTONIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
Location
| Latitude | 39.1853 |
|---|---|
| Longitude | -107.019 |
| Location | Snowmass Creek trail |
| State / province | COLORADO |
| Formation | Snowmass Creek Sill |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 31.2 | 30.1 | 32.3 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| K2O | 8.48 | WT% | K-AR |