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Sample B-98
NavDat sample number 3816 · RHYOLITE
Sample
| Sample ID | B-98 |
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| Rock name | RHYOLITE |
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| Rock type | VOLCANIC |
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| Composition | FELSIC |
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| Material | IGNEOUS |
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| Comment | Angular white airfall pumice at persent surfac; base not exposed. No ash-flow tuff here. Mineralogical and chemical evidence confirms this to be Bshop air-fall pumice. Many nearby pumice deposits, howerever are not; i.e. neither of two units exposed in a quarry 2 km. south is Bishop Tuff |
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Location
| Latitude | 37.7899 |
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| Longitude | -118.533 |
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| State / province | California |
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Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 0.76 |
|
0.759 |
0.761 |
|
|
