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Sample USGSM-BH29
NavDat sample number 2899 · DACITE
Sample
| Sample ID | USGSM-BH29 |
|---|
| Rock name | DACITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | FELSIC |
|---|
| Material | IGNEOUS |
|---|
| Comment | Light-gray porphyritic dacite with phenocrysts of plagioclase, biotite, and hornblende in a fine-grained groundmass. |
Location
| Latitude | 38.1953 |
|---|
| Longitude | -118.962 |
|---|
| 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 | along old railroad grade, 3 mi E of Bodie |
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.