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Sample USGSM-MTB1
NavDat sample number 2902 · ANDESITE
Sample
| Sample ID | USGSM-MTB1 |
|---|
| Rock name | ANDESITE |
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| Rock type | VOLCANIC |
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| Composition | INTERMEDIATE |
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| Material | IGNEOUS |
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| Comment | Gray porphyritic andesite with large phenocrysts of hornblende up to 2 cm, and phenocrysts of plagioclase and pyroxene in a fine-grained groundmass. |
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Location
| Latitude | 38.1443 |
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| Longitude | -119.072 |
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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 | 5 1/2 mi SSW of Bodie townsite |
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Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 9.8 |
|
9.6 |
10 |
|
|
Analyses
No chemical analyses are stored for this sample.
