Sample D16
NavDat sample number 54402 · TUFF
Sample
| Sample ID | D16 |
|---|---|
| Rock name | TUFF |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
| Comment | Dogskin Mountian, Nevada [NE 1/4, SE 1/4, SE 1/4 Sec 17 T24N, R19E] Base of exposures, white, smoothly-jointed tuff with about 1% tiny phenocrysts |
Location
| Latitude | 39.9167 |
|---|---|
| Longitude | -119.805 |
| State / province | Nevada |
| Location comment | Dogskin Mountain |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 28.15 | 27 | 29.3 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 72.29 | WT% | XRF | |
| TIO2 | 0.12 | WT% | XRF | |
| AL2O3 | 13.31 | WT% | XRF | |
| FEO | 1.37 | WT% | XRF | |
| MNO | 0.01 | WT% | XRF | |
| MGO | -0.3 | WT% | XRF | |
| CAO | 0.6 | WT% | XRF | |
| NA2O | 3.35 | WT% | XRF | |
| K2O | 5.39 | WT% | XRF | |
| P2O5 | 0.09 | WT% | XRF | |
| ZN | 28 | PPM | XRF | |
| GA | 15 | PPM | XRF | |
| RB | 218 | PPM | XRF | |
| SR | 74 | PPM | XRF | |
| Y | 26 | PPM | XRF | |
| ZR | 180 | PPM | XRF | |
| NB | 21 | PPM | XRF | |
| CS | -5 | PPM | XRF | |
| BA | 338 | PPM | XRF | |
| PB | 33 | PPM | XRF | |
| TH | 36 | PPM | XRF | |
| LA | 43 | PPM | XRF | |
| CE | 70 | PPM | XRF | |
| PR | 15 | PPM | XRF | |
| ND | 37 | PPM | XRF | |
| SM | 13 | PPM | XRF |