Sample G8
NavDat sample number 54450 · TUFF
Sample
| Sample ID | G8 |
|---|---|
| Rock name | TUFF |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
| Comment | Gillis and Gabbs Valley Range, Nevada [2.68 km N60W from corner T12N, R30E and R31E]. Section through brick-red lower welded vitric unit of tuff of Gabbs Valley, all devitrified. |
Location
| Latitude | 38.9468 |
|---|---|
| Longitude | -118.639 |
| State / province | Nevada |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 24.85 | 23.3 | 26.4 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 74.14 | WT% | XRF | |
| TIO2 | 0.21 | WT% | XRF | |
| AL2O3 | 13.38 | WT% | XRF | |
| FEO | 1.9 | WT% | XRF | |
| MNO | 0.02 | WT% | XRF | |
| MGO | -0.3 | WT% | XRF | |
| CAO | 0.52 | WT% | XRF | |
| NA2O | 3.43 | WT% | XRF | |
| K2O | 6.65 | WT% | XRF | |
| P2O5 | 0.13 | WT% | XRF | |
| ZN | 55 | PPM | XRF | |
| GA | 24 | PPM | XRF | |
| RB | 215 | PPM | XRF | |
| SR | 33 | PPM | XRF | |
| Y | 42 | PPM | XRF | |
| ZR | 379 | PPM | XRF | |
| NB | 29 | PPM | XRF | |
| CS | -5 | PPM | XRF | |
| BA | 256 | PPM | XRF | |
| PB | 38 | PPM | XRF | |
| TH | 28 | PPM | XRF | |
| LA | 52 | PPM | XRF | |
| CE | 0 | PPM | XRF | |
| PR | 9 | PPM | XRF | |
| ND | 40 | PPM | XRF | |
| SM | -8 | PPM | XRF |