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Sample UE7F-1870
NavDat sample number 84397 · PYROCLASTIC-FLOW
Sample
| Sample ID | UE7F-1870 |
|---|
| 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 pinkish gray zeolitic well-sorted tuff; thin section butt grades from fine to coarse ash, with abundant white pumice to 5 mm. Feldspar phenocrysts are common and lithics are scarce. |
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Location
| Latitude | 37.0887 |
|---|
| Longitude | -116.049 |
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| State / province | NEVADA |
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Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 14.27 |
|
14.28 |
14.26 |
|
|
Analyses
Whole Rock
| Item | Value | Std. dev. | Unit | Method |
|---|
| UO2 | 4.5932 | | PPM | NAA |
| BAO | 719.236 | | PPM | XRF |
| BA | 644.2 | | PPM | XRF |
| CE2O3 | 130.362 | | PPM | XRF |
| FE2O3 | 1.35 | | WT% | XRF |
| LA2O3 | 82.5271 | | PPM | XRF |
| NB2O5 | 59.3527 | | PPM | XRF |
| ND2O3 | 38.093 | | PPM | XRF |
| RB2O | 188.972 | | PPM | XRF |
| SRO | 145.459 | | PPM | XRF |
| Y2O3 | 58.0603 | | PPM | XRF |
| ZNO | 99.1544 | | PPM | XRF |
| ZN | 79.66 | | PPM | XRF |
| ZRO2 | 359.448 | | PPM | XRF |
| ZR | 266.1 | | PPM | XRF |
