Sample BAD-1
NavDat sample number 12126 · ANDESITE
Sample
| Sample ID | BAD-1 |
|---|---|
| Rock name | ANDESITE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
| Comment | flow; medium gray, aphanitic to sparsely microporphyritic with olivine and andesine in pilotaxitic groundmass |
Location
| Latitude | 40.845 |
|---|---|
| Longitude | -120.953 |
| State / province | California |
| Volcanic field | Walker Lane |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 2.9 | 2.7 | 3.1 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| K2O | 1.46 | WT% | UNKNOWN |