Sample F16
NavDat sample number 54453 · TUFF
Sample
| Sample ID | F16 |
|---|---|
| Rock name | TUFF |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
| Comment | Fissure Ridge, Gabbs Valley, Nevada [Laocations relative to Peak 4768:FI6 25 m N38W] Welded devitrified 1st cooling unit, a few meters below top |
Location
| Latitude | 38.8895 |
|---|---|
| Longitude | -118.182 |
| 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 | 74.6 | WT% | XRF | |
| TIO2 | 0.14 | WT% | XRF | |
| AL2O3 | 13.01 | WT% | XRF | |
| FEO | 1.3 | WT% | XRF | |
| MNO | 0.03 | WT% | XRF | |
| MGO | -0.3 | WT% | XRF | |
| CAO | 0.94 | WT% | XRF | |
| NA2O | 3.52 | WT% | XRF | |
| K2O | 5.04 | WT% | XRF | |
| P2O5 | 0.1 | WT% | XRF | |
| ZN | 37 | PPM | XRF | |
| GA | 20 | PPM | XRF | |
| RB | 185 | PPM | XRF | |
| SR | 94 | PPM | XRF | |
| Y | 29 | PPM | XRF | |
| ZR | 188 | PPM | XRF | |
| NB | 17 | PPM | XRF | |
| CS | -5 | PPM | XRF | |
| BA | 338 | PPM | XRF | |
| PB | 30 | PPM | XRF | |
| TH | 26 | PPM | XRF | |
| LA | 34 | PPM | XRF | |
| CE | 71 | PPM | XRF | |
| PR | 11 | PPM | XRF | |
| ND | 15 | PPM | XRF | |
| SM | 10 | PPM | XRF |