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Sample UE7F-2076
NavDat sample number 84405 · PYROCLASTIC-FALL
Sample
| Sample ID | UE7F-2076 |
|---|
| Rock name | PYROCLASTIC-FALL |
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| Rock type | VOLCANIC |
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| Composition | FELSIC |
|---|
| Material | IGNEOUS |
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| Comment | Sample, described from thin section butt, is very pale reddish brown zeolitic poorly sorted nonwelded tuff with common to abundant white pumice, mostly 1 to 3 mm, and moderate orange pink pumice to 7 mm. Scarce tiny mafics include black biotite and pseudomorphic clinopyroxene, 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 |
|---|
| 14.315 |
|
14.32 |
14.31 |
|
|
Analyses
Whole Rock
| Item | Value | Std. dev. | Unit | Method |
|---|
| BAO | 1093.26 | | PPM | XRF |
| BA | 979.2 | | PPM | XRF |
| CE2O3 | 145.472 | | PPM | XRF |
| FE2O3 | 1.65 | | WT% | XRF |
| LA2O3 | 90.7716 | | PPM | XRF |
| NB2O5 | 55.2471 | | PPM | XRF |
| ND2O3 | 50.328 | | PPM | XRF |
| RB2O | 193.784 | | PPM | XRF |
| SRO | 179.044 | | PPM | XRF |
| Y2O3 | 59.6731 | | PPM | XRF |
| ZNO | 38.7357 | | PPM | XRF |
| ZN | 31.12 | | PPM | XRF |
| ZRO2 | 417.802 | | PPM | XRF |
| ZR | 309.3 | | PPM | XRF |
