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Sample UE7F-1672.6
NavDat sample number 84384 · PYROCLASTIC-FALL
Sample
| Sample ID | UE7F-1672.6 |
|---|
| Rock name | PYROCLASTIC-FALL |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | FELSIC |
|---|
| Material | IGNEOUS |
|---|
| Comment | Sample is massive tuff within bedded sequence with pumice-rich layers represented by sample UE7F-1664.9, somewhat stained by Mn oxides. It is pale grayish orange pink zeolitic nonwelded tuff with common moderate greenish yellow to white pumice, scarce lithics, and scarce to rare felsic phenocrysts and biotite. |
Location
| Latitude | 37.0887 |
|---|
| Longitude | -116.049 |
|---|
| State / province | NEVADA |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
| 13.4 |
|
13.45 |
13.35 |
|
|
Analyses
Whole Rock
| Item | Value | Std. dev. | Unit | Method |
| BAO | 519.833 | | PPM | XRF |
| BA | 465.6 | | PPM | XRF |
| CE2O3 | 230.506 | | PPM | XRF |
| FE2O3 | 2.82 | | WT% | XRF |
| LA2O3 | 118.918 | | PPM | XRF |
| NB2O5 | 82.8849 | | PPM | XRF |
| ND2O3 | 81.6212 | | PPM | XRF |
| RB2O | 163.273 | | PPM | XRF |
| SRO | 190.161 | | PPM | XRF |
| Y2O3 | 74.1881 | | PPM | XRF |
| ZNO | 141.027 | | PPM | XRF |
| ZN | 113.3 | | PPM | XRF |
| ZRO2 | 713.493 | | PPM | XRF |
| ZR | 528.2 | | PPM | XRF |