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Sample UE7F-1552.6
NavDat sample number 84376 · PYROCLASTIC-FALL
Sample
| Sample ID | UE7F-1552.6 |
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| Rock name | PYROCLASTIC-FALL |
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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 poorly sorted tuff with common white to minor grayish yellow pumice. Mafics include common biotite, scarce to rare hornblende, and one grain of scarce to rare green clinopyroxene. Scarce to common lithics are mostly brownish gray devitrified fragments that contain biotite and hornblende and common felsic phenocrysts. |
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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 |
|---|
| 13.28 |
|
13.31 |
13.25 |
|
|
Analyses
Whole Rock
| Item | Value | Std. dev. | Unit | Method |
|---|
| BAO | 1201.33 | | PPM | XRF |
| BA | 1076 | | PPM | XRF |
| CE2O3 | 254.517 | | PPM | XRF |
| FE2O3 | 1.95 | | WT% | XRF |
| LA2O3 | 165.007 | | PPM | XRF |
| NB2O5 | 37.8518 | | PPM | XRF |
| ND2O3 | 91.1503 | | PPM | XRF |
| RB2O | 166.226 | | PPM | XRF |
| SRO | 342.596 | | PPM | XRF |
| Y2O3 | 44.3453 | | PPM | XRF |
| ZNO | 106.909 | | PPM | XRF |
| ZN | 85.89 | | PPM | XRF |
| ZRO2 | 434.282 | | PPM | XRF |
| ZR | 321.5 | | PPM | XRF |
