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Sample PR95/21
NavDat sample number 85933 · PYROCLASTIC-FALL
Sample
| Sample ID | PR95/21 |
|---|
| Rock name | PYROCLASTIC-FALL |
|---|
| Rock type | VOLCANIC |
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| Composition | FELSIC |
|---|
| Material | IGNEOUS |
|---|
| Comment | Pale red zeolitic nonwelded tuff with common white pumice to 2.5 mm. Largest pumice, 4 mm diameter, is partly fused vitric dark gray. Mafics are abundant black to bronzy biotite, lesser black hornblende, and 2 grains of dark green clinopyroxene observed. Felsics are abundant and lithics scarce to rare. |
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Location
| Latitude | 37.0942 |
|---|
| Longitude | -115.958 |
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| State / province | NEVADA |
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Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 11.75 |
|
11.8 |
11.7 |
|
|
Analyses
Whole Rock
| Item | Value | Std. dev. | Unit | Method |
|---|
| AS2O3 | 2.1443 | | PPM | NAA |
| AU | | | PPM | NAA |
| BAO | 816.482 | | PPM | NAA |
| BA | 731.3 | | PPM | NAA |
| BP | | | PPM | NAA |
| CAO | 3.07 | | WT% | NAA |
| CE2O3 | 113.73 | | PPM | NAA |
| COO | 4.7858 | | PPM | NAA |
| CR2O3 | 23.5001 | | PPM | NAA |
| CR | 16.08 | | PPM | NAA |
| CS2O | 1.2139 | | PPM | NAA |
| EU2O3 | 1.1543 | | PPM | NAA |
| FE2O3 | 2.044 | | WT% | NAA |
| HFO2 | 6.1317 | | PPM | NAA |
| K2O | 2.4 | | WT% | NAA |
| LA2O3 | 56.6678 | | PPM | NAA |
| LU2O3 | 0.3815 | | PPM | NAA |
| NA2O | 2.4 | | WT% | NAA |
| ND2O3 | 38.5012 | | PPM | NAA |
| NIO | | | PPM | NAA |
| NI | | | PPM | NAA |
| RB2O | 46.2807 | | PPM | NAA |
| SB2O3 | 0.3067 | | PPM | NAA |
| SC2O3 | 10.4462 | | PPM | NAA |
| SEO2 | | | PPM | NAA |
| SM2O3 | 6.9642 | | PPM | NAA |
| SRO | 682.473 | | PPM | NAA |
| TA2O5 | 1.745 | | PPM | NAA |
| TB2O3 | 0.7627 | | PPM | NAA |
| THO2 | 23.3148 | | PPM | NAA |
| UO2 | 2.0329 | | PPM | NAA |
| WO3 | 0.9541 | | PPM | NAA |
| YB2O3 | 2.6327 | | PPM | NAA |
| ZNO | 84.753 | | PPM | NAA |
| ZN | 68.09 | | PPM | NAA |
| ZRO2 | 270.025 | | PPM | NAA |
| ZR | 199.9 | | PPM | NAA |
| AL2O3 | 14.33 | | WT% | XRF |
| BAO | 814.137 | | PPM | XRF |
| BA | 729.2 | | PPM | XRF |
| CAO | 3.052 | | WT% | XRF |
| CR2O3 | 23.1494 | | PPM | XRF |
| CR | 15.84 | | PPM | XRF |
| FE2O3 | 2.132 | | WT% | XRF |
| K2O | 2.238 | | WT% | XRF |
| LOI | 5.12 | | WT% | XRF |
| MGO | 2.382 | | WT% | XRF |
| MNO | 0.0872 | | WT% | XRF |
| MN | 0.0675 | | WT% | XRF |
| NA2O | 2.388 | | WT% | XRF |
| NB2O5 | 32.8593 | | PPM | XRF |
| NIO | 12.8026 | | PPM | XRF |
| NI | 10.06 | | PPM | XRF |
| P2O5 | 0.0628 | | WT% | XRF |
| RB2O | 46.1714 | | PPM | XRF |
| SIO2 | 67.04 | | WT% | XRF |
| SRO | 695.599 | | PPM | XRF |
| TIO2 | 0.2541 | | WT% | XRF |
| TOTAL | 99.07 | | WT% | XRF |
| V2O3 | 42.2927 | | PPM | XRF |
| Y2O3 | 29.3984 | | PPM | XRF |
| ZNO | 60.1075 | | PPM | XRF |
| ZN | 48.29 | | PPM | XRF |
| ZRO2 | 282.993 | | PPM | XRF |
| ZR | 209.5 | | PPM | XRF |
