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Sample UE5I-1085
NavDat sample number 83937 · PYROCLASTIC-FALL
Sample
| Sample ID | UE5I-1085 |
|---|
| Rock name | PYROCLASTIC-FALL |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | FELSIC |
|---|
| Material | IGNEOUS |
|---|
| Comment | Very pale orange zeolitic nonwelded tuff with scarce to common large voids after pumice to 17 mm. Scarce but large feldspar to 2 mm and mafics, mostly black prismatic to equant pyroxene and olivine; 2 grains biotite and 1 grain hornblende observed. Dark green clinopyroxene is definitely present, and probably dominant. Scarce to rare lithics. |
Location
| Latitude | 36.8758 |
|---|
| Longitude | -115.951 |
|---|
| State / province | NEVADA |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
| 9.37 |
|
9.39 |
9.35 |
|
|
Analyses
Whole Rock
| Item | Value | Std. dev. | Unit | Method |
| AL2O3 | 12.1 | | WT% | XRF |
| BAO | 294.193 | | PPM | XRF |
| BA | 263.5 | | PPM | XRF |
| CAO | 2.785 | | WT% | XRF |
| CR2O3 | | | PPM | XRF |
| CR | | | PPM | XRF |
| FE2O3 | 2.425 | | WT% | XRF |
| K2O | 2.572 | | WT% | XRF |
| LOI | 8.27 | | WT% | XRF |
| MGO | 1.279 | | WT% | XRF |
| MNO | 0.1095 | | WT% | XRF |
| MN | 0.0848 | | WT% | XRF |
| NA2O | 1.369 | | WT% | XRF |
| NB2O5 | 160.935 | | PPM | XRF |
| NIO | | | PPM | XRF |
| NI | | | PPM | XRF |
| P2O5 | 0.0177 | | WT% | XRF |
| RB2O | 141.073 | | PPM | XRF |
| SIO2 | 67.72 | | WT% | XRF |
| SRO | 1326.87 | | PPM | XRF |
| TIO2 | 0.2032 | | WT% | XRF |
| TOTAL | 98.83 | | WT% | XRF |
| V2O3 | 23.2132 | | PPM | XRF |
| Y2O3 | 87.3698 | | PPM | XRF |
| ZNO | 170.651 | | PPM | XRF |
| ZN | 137.1 | | PPM | XRF |
| ZRO2 | 980.411 | | PPM | XRF |
| ZR | 725.8 | | PPM | XRF |