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Sample UE7F-1805.5
NavDat sample number 84394 · PYROCLASTIC-FLOW
Sample
| Sample ID | UE7F-1805.5 |
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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 | Sample is white zeolitic medium to coarse ash with very abundant mafics of hornblende and biotite, with several small grains of scarce to common very light green clinopyroxene observed, and scarce lithics. A yellowish gray porcellaneous band 1 to 2 mm wide follows a fracture in thin section butt. |
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Location
| Latitude | 37.0887 |
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| Longitude | -116.049 |
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| State / province | NEVADA |
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Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 14.1 |
|
14.15 |
14.05 |
|
|
Analyses
Whole Rock
| Item | Value | Std. dev. | Unit | Method |
|---|
| BAO | 1090.69 | | PPM | XRF |
| BA | 976.9 | | PPM | XRF |
| CE2O3 | 179.673 | | PPM | XRF |
| FE2O3 | 3.68 | | WT% | XRF |
| LA2O3 | 105.9 | | PPM | XRF |
| NB2O5 | 36.8361 | | PPM | XRF |
| ND2O3 | 89.7856 | | PPM | XRF |
| RB2O | 155.508 | | PPM | XRF |
| SRO | 874.052 | | PPM | XRF |
| Y2O3 | 49.9964 | | PPM | XRF |
| ZNO | 130.198 | | PPM | XRF |
| ZN | 104.6 | | PPM | XRF |
| ZRO2 | 487.234 | | PPM | XRF |
| ZR | 360.7 | | PPM | XRF |
