Sample PAH18
NavDat sample number 54419 · TUFF
Sample
| Sample ID | PAH18 |
|---|---|
| Rock name | TUFF |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
| Comment | Pah Rah Range, Washoe county, Nevada [SW 1/4 SE 1/4, SW 1/4, SE 1/4, Sec. 8 T22N, R21E] Lateral Equivalent of PAH 3-10, which is Lithic-rich vitric crystal densely welded Nine Hill Tuff |
Location
| Latitude | 39.7864 |
|---|---|
| Longitude | -119.651 |
| State / province | Nevada |
| Location comment | Nine Hill |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 24.71 | 24.09 | 25.33 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 69.75 | WT% | XRF | |
| TIO2 | 0.51 | WT% | XRF | |
| AL2O3 | 16.14 | WT% | XRF | |
| FEO | 2.3 | WT% | XRF | |
| MNO | 0.04 | WT% | XRF | |
| MGO | 0.44 | WT% | XRF | |
| CAO | 1 | WT% | XRF | |
| NA2O | 4.11 | WT% | XRF | |
| K2O | 6.19 | WT% | XRF | |
| P2O5 | 0.2 | WT% | XRF | |
| ZN | 60 | PPM | XRF | |
| GA | 21 | PPM | XRF | |
| RB | 152 | PPM | XRF | |
| SR | 163 | PPM | XRF | |
| Y | 29 | PPM | XRF | |
| ZR | 306 | PPM | XRF | |
| NB | 27 | PPM | XRF | |
| CS | 10 | PPM | XRF | |
| BA | 2536 | PPM | XRF | |
| PB | 30 | PPM | XRF | |
| TH | 15 | PPM | XRF | |
| LA | 41 | PPM | XRF | |
| CE | 72 | PPM | XRF | |
| PR | 19 | PPM | XRF | |
| ND | 36 | PPM | XRF | |
| SM | -8 | PPM | XRF |