Sample RAD-2
NavDat sample number 12147 · ANDESITE
Sample
| Sample ID | RAD-2 |
|---|---|
| Rock name | ANDESITE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
| Comment | Light gray, abundantly finely porphyritic with plagioclase, sanidine, hornblende, augite phenocrysts in pilotaxitic matrix |
Location
| Latitude | 40.4183 |
|---|---|
| Longitude | -120.495 |
| State / province | California |
| Volcanic field | Walker Lane |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 10.4 | 10 | 10.8 |