Sample S77-D3-R12
NavDat sample number 14600 · ANDESITE
Sample
| Sample ID | S77-D3-R12 |
|---|---|
| Rock name | ANDESITE |
| Rock type | PLUTONIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
| Comment | Pyroxene andesite |
Location
| Latitude | 46.3892 |
|---|---|
| Longitude | -122.038 |
| Location | Mt. St. Helens |
| State / province | Washington |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 22.65 | 21.9 | 23.4 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| K2O | 0.31 | WT% | AAS |