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Sample USGSM-BH19A
NavDat sample number 2904 · DACITE
Sample
| Sample ID | USGSM-BH19A |
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| Rock name | DACITE |
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| Rock type | VOLCANIC |
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| Composition | FELSIC |
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| Material | IGNEOUS |
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| Comment | Porphyritic gray dacite with large phenocrysts of plagioclase up to 8 mm, hornblende, biotite, pyroxene, and quartz in a fine-grained to glassy groundmass. |
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Location
| Latitude | 38.2202 |
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| Longitude | -119.173 |
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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 | 9 mi W of Bodie townsite |
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Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
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| 8.2 |
|
8 |
8.4 |
|
|
Analyses
No chemical analyses are stored for this sample.
