Sample S78-A2-R128
NavDat sample number 14604 · ANDESITE
Sample
| Sample ID | S78-A2-R128 |
|---|---|
| Rock name | ANDESITE |
| Rock type | PLUTONIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
| Comment | Basaltic andesite sill |
Location
| Latitude | 46.4383 |
|---|---|
| Longitude | -122.213 |
| Location | Mt. St. Helens |
| State / province | Washington |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 8.6 | 8.3 | 8.9 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| K2O | 0.852 | WT% | AAS |