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Sample USGSM-BH32
NavDat sample number 2893 · DACITE
Sample
| Sample ID | USGSM-BH32 |
|---|
| Rock name | DACITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | FELSIC |
|---|
| Material | IGNEOUS |
|---|
| Comment | Light-gray porphyritic dacite with plagioclase, biotite, and sparse hornblende phenocrysts in a very fine grained, felty groundmass. Hornblendes are mostly oxidized. |
Location
| Latitude | 38.1928 |
|---|
| Longitude | -119.002 |
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| Location | Mono County, CA |
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| State / province | California |
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| Volcanic field | Bodie Mining District and Bodie Hills Volcanic Field |
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| Location comment | 2500 ft NE of Sugarloaf |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
| 9 |
|
8.8 |
9.2 |
|
|
Analyses
No chemical analyses are stored for this sample.