Sample 12
NavDat sample number 4654 · ANDESITE
Sample
| Sample ID | 12 |
|---|---|
| Rock name | ANDESITE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
| Comment | porphyritic with pilotaxitic groundmass |
Location
| Latitude | 39.1801 |
|---|---|
| Longitude | -121.804 |
| Location | from De Witt volcano, about 2 miles WNW of Sutter City |
| State / province | California |
| Volcanic field | Sutter Buttes |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 1.5 | 1.35 | 1.65 |
Analyses
No chemical analyses are stored for this sample.