Sample FI2
NavDat sample number 54468 · TUFF
Sample
| Sample ID | FI2 |
|---|---|
| Rock name | TUFF |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
| Comment | Fissure Ridge, Gabbs Valley, Nevada [Locations relative to Peak 4768:FI2-110m N6W] Welded devitrified 3rd cooling unit about 40m above base. |
Location
| Latitude | 38.8896 |
|---|---|
| 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 | 75.02 | WT% | XRF | |
| TIO2 | 0.12 | WT% | XRF | |
| AL2O3 | 12.7 | WT% | XRF | |
| FEO | 1.01 | WT% | XRF | |
| MNO | 0.03 | WT% | XRF | |
| MGO | -0.3 | WT% | XRF | |
| CAO | 0.81 | WT% | XRF | |
| NA2O | 3.96 | WT% | XRF | |
| K2O | 4.81 | WT% | XRF | |
| P2O5 | 0.1 | WT% | XRF | |
| ZN | 53 | PPM | XRF | |
| GA | 21 | PPM | XRF | |
| RB | 179 | PPM | XRF | |
| SR | 60 | PPM | XRF | |
| Y | 24 | PPM | XRF | |
| ZR | 174 | PPM | XRF | |
| NB | 19 | PPM | XRF | |
| CS | -5 | PPM | XRF | |
| BA | 353 | PPM | XRF | |
| PB | 34 | PPM | XRF | |
| TH | 21 | PPM | XRF | |
| LA | 34 | PPM | XRF | |
| CE | 70 | PPM | XRF | |
| PR | 11 | PPM | XRF | |
| ND | 28 | PPM | XRF | |
| SM | -8 | PPM | XRF |