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Sample UE7BC-2505
NavDat sample number 84356 · PYROCLASTIC-FALL
Sample
| Sample ID | UE7BC-2505 |
|---|
| 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 very pale orange zeolitic nonwelded tuff with common white pumice, generally to 3 mm; some elongate pumices to 5/1 mm are probably long tube pumice. Scarce biotite is very bronzy. Common lithics are mostly plutonic and metamorphic clasts to 10 mm. Chalcedony coats a wide fracture. |
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Location
| Latitude | 37.0761 |
|---|
| Longitude | -116.005 |
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| State / province | NEVADA |
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Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 15.65 |
|
15.7 |
15.6 |
|
|
Analyses
Whole Rock
| Item | Value | Std. dev. | Unit | Method |
|---|
| BAO | 478.635 | | PPM | XRF |
| BA | 428.7 | | PPM | XRF |
| CE2O3 | 127.551 | | PPM | XRF |
| FE2O3 | 1.63 | | WT% | XRF |
| LA2O3 | 71.5149 | | PPM | XRF |
| NB2O5 | 39.9118 | | PPM | XRF |
| ND2O3 | 43.5282 | | PPM | XRF |
| RB2O | 165.679 | | PPM | XRF |
| SRO | 248.935 | | PPM | XRF |
| Y2O3 | 38.7069 | | PPM | XRF |
| ZNO | 77.4714 | | PPM | XRF |
| ZN | 62.24 | | PPM | XRF |
| ZRO2 | 278.265 | | PPM | XRF |
| ZR | 206 | | PPM | XRF |
