Sample 472
NavDat sample number 1655 · GRANODIORITE
Sample
| Sample ID | 472 |
|---|---|
| Rock name | GRANODIORITE |
| Rock type | PLUTONIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
Location
| Latitude | 38.8889 |
|---|---|
| Longitude | -106.943 |
| Location | Crested Butte ski area |
| State / province | COLORADO |
| Formation | Crested Butte laccolith |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 29.1 | 28.1 | 30.1 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| K2O | 7.14 | WT% | K-AR |