Sample TAD-2
NavDat sample number 12132 · ANDESITE
Sample
| Sample ID | TAD-2 |
|---|---|
| Rock name | ANDESITE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
| Comment | medium gray, sparsely microporphyritic with olivine in intersertal to inergranular matrix containing labradorite, clinopyroxene, magnetite and glass |
Location
| Latitude | 40.7867 |
|---|---|
| Longitude | -120.76 |
| State / province | California |
| Volcanic field | Walker Lane |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 2.1 | 1.8 | 2.4 |