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Sample UE7F-2118.8
NavDat sample number 84408 · PYROCLASTIC-FLOW
Sample
| Sample ID | UE7F-2118.8 |
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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 originates near base of 8-m thick interval of white fine ash fall with many bedded intervals and lithic rich zones. From thin section butt, scarce to common lithics are mostly moderate brown to dusky brown fragments to 1 mm. |
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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 |
|---|
| 14.35 |
|
14.37 |
14.33 |
|
|
Analyses
Whole Rock
| Item | Value | Std. dev. | Unit | Method |
|---|
| HFO2 | 5.5492 | | PPM | NAA |
| MNO | 0.0464 | | WT% | NAA |
| MN | 0.0359 | | WT% | NAA |
| UO2 | 3.5394 | | PPM | NAA |
| BAO | 218.16 | | PPM | XRF |
| BA | 195.4 | | PPM | XRF |
| CE2O3 | 91.2302 | | PPM | XRF |
| FE2O3 | 1.025 | | WT% | XRF |
| LA2O3 | 39.8856 | | PPM | XRF |
| NB2O5 | 42.9731 | | PPM | XRF |
| ND2O3 | 35.3754 | | PPM | XRF |
| RB2O | 191.925 | | PPM | XRF |
| SRO | 96.4993 | | PPM | XRF |
| Y2O3 | 36.2813 | | PPM | XRF |
| ZNO | 77.4714 | | PPM | XRF |
| ZN | 62.24 | | PPM | XRF |
| ZRO2 | 203.43 | | PPM | XRF |
| ZR | 150.6 | | PPM | XRF |
