Sample FI4
NavDat sample number 54469 · TUFF
Sample
| Sample ID | FI4 |
|---|---|
| Rock name | TUFF |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
| Comment | Fissure Ridge, Gabbs Valley, Nevada [Locations relative to Peak 4768:120m N30E] Wedled devitrified 2nd cooling unit about 220 meters above base |
Location
| Latitude | 38.8896 |
|---|---|
| Longitude | -118.181 |
| 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 | 73.53 | WT% | XRF | |
| TIO2 | 0.23 | WT% | XRF | |
| AL2O3 | 13.88 | WT% | XRF | |
| FEO | 1.46 | WT% | XRF | |
| MNO | 0.04 | WT% | XRF | |
| MGO | 0.32 | WT% | XRF | |
| CAO | 1.05 | WT% | XRF | |
| NA2O | 4.01 | WT% | XRF | |
| K2O | 5.21 | WT% | XRF | |
| P2O5 | 0.1 | WT% | XRF | |
| ZN | 42 | PPM | XRF | |
| GA | 22 | PPM | XRF | |
| RB | 172 | PPM | XRF | |
| SR | 178 | PPM | XRF | |
| Y | 29 | PPM | XRF | |
| ZR | 201 | PPM | XRF | |
| NB | 20 | PPM | XRF | |
| CS | -5 | PPM | XRF | |
| BA | 1062 | PPM | XRF | |
| PB | 29 | PPM | XRF | |
| TH | 22 | PPM | XRF | |
| LA | 57 | PPM | XRF | |
| CE | 84 | PPM | XRF | |
| PR | 29 | PPM | XRF | |
| ND | 32 | PPM | XRF | |
| SM | -8 | PPM | XRF |