Sample S82-A3-E32
NavDat sample number 14591 · ANDESITE
Sample
| Sample ID | S82-A3-E32 |
|---|---|
| Rock name | ANDESITE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
| Comment | Andesite porphyry |
Location
| Latitude | 46.3955 |
|---|---|
| Longitude | -122.239 |
| Location | Mt. St. Helens |
| State / province | Washington |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 35 | 33 | 37 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| K2O | 0.274 | WT% | AAS |