Sample W25
NavDat sample number 54579 · TUFF
Sample
| Sample ID | W25 |
|---|---|
| Rock name | TUFF |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
| Comment | Warm Springs Valley, Washoe County, Nevada [WS1-26, 30L and 30D form a stratigraphic section in SE 1/4, NW 1/4, NE 1/4, SE 1/4, Sec. 24 T22N, R21E S flank to top of hill.] Lower Phase |
Location
| Latitude | 39.7594 |
|---|---|
| Longitude | -119.573 |
| State / province | Nevada |
| Location comment | Warm Springs Valley Section |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 25.16 | 19.21 | 31.1 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 74.18 | WT% | XRF | |
| TIO2 | 0.2 | WT% | XRF | |
| AL2O3 | 12.26 | WT% | XRF | |
| FEO | 0.63 | WT% | XRF | |
| MNO | 0.04 | WT% | XRF | |
| MGO | 0.47 | WT% | XRF | |
| CAO | 2.45 | WT% | XRF | |
| NA2O | 3.74 | WT% | XRF | |
| K2O | 5.36 | WT% | XRF | |
| P2O5 | 0.12 | WT% | XRF | |
| ZN | 38 | PPM | XRF | |
| GA | 17 | PPM | XRF | |
| RB | 185 | PPM | XRF | |
| SR | 68 | PPM | XRF | |
| Y | 38 | PPM | XRF | |
| ZR | 381 | PPM | XRF | |
| NB | 26 | PPM | XRF | |
| CS | 5 | PPM | XRF | |
| BA | 437 | PPM | XRF | |
| PB | 30 | PPM | XRF | |
| TH | 20 | PPM | XRF | |
| LA | 60 | PPM | XRF | |
| CE | 110 | PPM | XRF | |
| PR | 26 | PPM | XRF | |
| ND | 59 | PPM | XRF | |
| SM | 9 | PPM | XRF |