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Sample UE7F-1664.9
NavDat sample number 84383 · PYROCLASTIC-FLOW
Sample
| Sample ID | UE7F-1664.9 |
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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 pale greenish yellow zeolitic fine ash with scarce to common lithics to 2 mm. Mn oxides are minor but pervasively stain surfaces moderate greenish yellow. Feldspar phenocrysts are scarce to rare, as are partly or completely altered, equant reddish black mafics, probably olivine. |
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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 |
|---|
| 13.4 |
|
13.45 |
13.35 |
|
|
Analyses
Whole Rock
| Item | Value | Std. dev. | Unit | Method |
|---|
| FE2O3 | 2.667 | | WT% | NAA |
| HFO2 | 22.9466 | | PPM | NAA |
| MNO | 0.2221 | | WT% | NAA |
| MN | 0.172 | | WT% | NAA |
| SC2O3 | 14.39 | | PPM | NAA |
| TIO2 | 0.35 | | WT% | NAA |
| UO2 | 5.9171 | | PPM | NAA |
| BAO | 518.605 | | PPM | XRF |
| BA | 464.5 | | PPM | XRF |
| CE2O3 | 364.265 | | PPM | XRF |
| FE2O3 | 2.925 | | WT% | XRF |
| LA2O3 | 230.33 | | PPM | XRF |
| NB2O5 | 87.9919 | | PPM | XRF |
| ND2O3 | 140.079 | | PPM | XRF |
| RB2O | 186.566 | | PPM | XRF |
| SRO | 140.61 | | PPM | XRF |
| Y2O3 | 95.1417 | | PPM | XRF |
| ZNO | 186.708 | | PPM | XRF |
| ZN | 150 | | PPM | XRF |
| ZRO2 | 1535.86 | | PPM | XRF |
| ZR | 1137 | | PPM | XRF |
