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Sample UE7F-1786
NavDat sample number 84393 · PYROCLASTIC-FLOW
Sample
| Sample ID | UE7F-1786 |
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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, described from thin section butt, is very pale yellowish brown zeolitic moderately well sorted nonwelded tuff with abundant white pumice, many with pale greenish yellow interiors. Scarce black mafics are biotite, hornblende, and clinopyroxene. Lithics are scarce. |
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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 |
|---|
| 14.15 |
|
14.25 |
14.05 |
|
|
Analyses
Whole Rock
| Item | Value | Std. dev. | Unit | Method |
|---|
| BAO | 688.087 | | PPM | XRF |
| BA | 616.3 | | PPM | XRF |
| CE2O3 | 163.275 | | PPM | XRF |
| FE2O3 | 2.76 | | WT% | XRF |
| LA2O3 | 108.656 | | PPM | XRF |
| NB2O5 | 118.691 | | PPM | XRF |
| ND2O3 | 96.5854 | | PPM | XRF |
| RB2O | 216.421 | | PPM | XRF |
| SRO | 211.211 | | PPM | XRF |
| Y2O3 | 125.785 | | PPM | XRF |
| ZNO | 255.665 | | PPM | XRF |
| ZN | 205.4 | | PPM | XRF |
| ZRO2 | 1321.08 | | PPM | XRF |
| ZR | 978 | | PPM | XRF |
