Sample USGSD-M-Q-4
NavDat sample number 6168 · RHYODACITE
Sample
| Sample ID | USGSD-M-Q-4 |
|---|---|
| Rock name | RHYODACITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
| Comment | Rhyodacite vitrophyre with plag, biotite, and hornblende phenocrysts |
Location
| Latitude | 34.225 |
|---|---|
| Longitude | -114.692 |
| State / province | California |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 18.6 | 17.8 | 19.4 |
Analyses
No chemical analyses are stored for this sample.