Sample DRC4
NavDat sample number 54484 · TUFF
Sample
| Sample ID | DRC4 |
|---|---|
| Rock name | TUFF |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
| Comment | Double Rocking Chair ranch, Red Rock Valley, Washoe county, Nevada [NE 1/4, NE1/4, NW 1/4, SE 1/4, Sec. 3, T23N, R18E]. Densely welded vitric-crystal pumiceous upper phase of the Nine Hill Tuff. |
Location
| Latitude | 39.8936 |
|---|---|
| Longitude | -119.952 |
| State / province | Nevada |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 22.78 | 19.21 | 26.34 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 64.87 | WT% | XRF | |
| TIO2 | 0.39 | WT% | XRF | |
| AL2O3 | 14.12 | WT% | XRF | |
| FEO | 2.32 | WT% | XRF | |
| MNO | 0.07 | WT% | XRF | |
| MGO | 0.38 | WT% | XRF | |
| CAO | 0.98 | WT% | XRF | |
| NA2O | 3.12 | WT% | XRF | |
| K2O | 5.5 | WT% | XRF | |
| P2O5 | 0.12 | WT% | XRF | |
| S | 166 | PPM | XRF | |
| CL | 396 | PPM | XRF | |
| CU | -5 | PPM | XRF | |
| ZN | 114 | PPM | XRF | |
| GA | 19 | PPM | XRF | |
| RB | 151 | PPM | XRF | |
| SR | 83 | PPM | XRF | |
| Y | 33 | PPM | XRF | |
| ZR | 350 | PPM | XRF | |
| NB | 25 | PPM | XRF | |
| CS | 7 | PPM | XRF | |
| BA | 1535 | PPM | XRF | |
| PB | 43 | PPM | XRF | |
| TH | 20 | PPM | XRF | |
| LA | 55 | PPM | XRF | |
| CE | 89 | PPM | XRF | |
| PR | 30 | PPM | XRF | |
| ND | 29 | PPM | XRF | |
| SM | -8 | PPM | XRF |