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Sample USGSM-854-1
NavDat sample number 2898 · DACITE
Sample
| Sample ID | USGSM-854-1 |
|---|
| Rock name | DACITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | FELSIC |
|---|
| Material | IGNEOUS |
|---|
| Comment | Light-gray porphyritic dacite with phenocrysts of plagioclase and biotite along with small hornblende crystals in a fine-grained groundmass. |
Location
| Latitude | 38.181 |
|---|
| Longitude | -119.003 |
|---|
| Location | Mono County, CA |
|---|
| State / province | California |
|---|
| Volcanic field | Bodie Mining District and Bodie Hills Volcanic Field |
|---|
| Location comment | 3000 ft SE of Sugarloaf |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
| 8.9 |
|
8.7 |
9.1 |
|
|
Analyses
No chemical analyses are stored for this sample.