Sample S79-A4-R128
NavDat sample number 14607 · GRANODIORITE
Sample
| Sample ID | S79-A4-R128 |
|---|---|
| Rock name | GRANODIORITE |
| Rock type | PLUTONIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
| Comment | Granodiorite |
Location
| Latitude | 46.3487 |
|---|---|
| Longitude | -122.202 |
| Location | Mt. St. Helens |
| State / province | Washington |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 21.1 | 20.5 | 21.7 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| K2O | 9.18 | WT% | AAS |