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Sample UE20C-3410
NavDat sample number 86019 · PYROCLASTIC-FLOW
Sample
| Sample ID | UE20C-3410 |
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| Rock name | PYROCLASTIC-FLOW |
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| Rock type | VOLCANIC |
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| Composition | FELSIC |
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| Material | IGNEOUS |
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| Comment | Core is moderately well sorted zeolitic pale red tuff with very abundant pale olive to pale greenish yellow pumice, mostly 1.5-4.5 mm in diameter, scarce to rare pale grayish olive zeolitic hydroclastic shards to 4 mm, and scarce to common lithics to 6 mm. Black biotite to 1.1 mm is scarce to rare, and felsics to 2 mm, which include very conspicuous quartz, are scarce. |
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Location
| Latitude | 37.2294 |
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| Longitude | -116.472 |
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| State / province | NEVADA |
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Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 12.85 |
|
12.9 |
12.8 |
|
|
Analyses
Whole Rock
| Item | Value | Std. dev. | Unit | Method |
|---|
| HFO2 | 5.7013 | | PPM | NAA |
| MNO | 0.0567 | | WT% | NAA |
| MN | 0.0439 | | WT% | NAA |
| UO2 | 5.2081 | | PPM | NAA |
