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Sample USGSM-S1
NavDat sample number 2888 · DACITE
Sample
| Sample ID | USGSM-S1 |
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| Rock name | DACITE |
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| Rock type | PLUTONIC |
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| Composition | FELSIC |
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| Material | IGNEOUS |
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| Comment | Light-gray porphyritic dacite with plagioclase and hornblende phenocrysts in a fine-grained groundmass. Hornblende is rimmed by iron oxide. |
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Location
| Latitude | 38.188 |
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| Longitude | -119.008 |
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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 | top of conical hill |
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Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 8.8 |
|
8.4 |
9.2 |
|
|
Analyses
No chemical analyses are stored for this sample.
