Sample R12
NavDat sample number 54548 · VITROPHERE
Sample
| Sample ID | R12 |
|---|---|
| Rock name | VITROPHERE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
| Comment | Red Rock Canyon, Washoe Co., Nevada [SE 1/4, NE 1/4, NW 1/4, SE 1/4, Sec 32 T23N, R18E] Stratigraphic section of the Nine Hill Tuff. Vitrophyre, densely welded |
Location
| Latitude | 39.9081 |
|---|---|
| Longitude | -119.952 |
| State / province | Nevada |
| Location comment | Red Rock Canyon Stratigraphic Sequence |
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 | 72.64 | WT% | XRF | |
| TIO2 | 0.19 | WT% | XRF | |
| AL2O3 | 13.25 | WT% | XRF | |
| FEO | 1.61 | WT% | XRF | |
| MNO | 0.06 | WT% | XRF | |
| MGO | -0.38 | WT% | XRF | |
| CAO | 0.59 | WT% | XRF | |
| NA2O | 3.09 | WT% | XRF | |
| K2O | 5.48 | WT% | XRF | |
| P2O5 | -0.09 | WT% | XRF | |
| S | 256 | PPM | XRF | |
| CL | 539 | PPM | XRF | |
| CU | -5 | PPM | XRF | |
| ZN | 107 | PPM | XRF | |
| GA | 22 | PPM | XRF | |
| RB | 215 | PPM | XRF | |
| SR | 28 | PPM | XRF | |
| Y | 43 | PPM | XRF | |
| ZR | 411 | PPM | XRF | |
| NB | 29 | PPM | XRF | |
| CS | 8 | PPM | XRF | |
| BA | 97 | PPM | XRF | |
| PB | 47 | PPM | XRF | |
| TH | 31 | PPM | XRF | |
| LA | 64 | PPM | XRF | |
| CE | 136 | PPM | XRF | |
| PR | 10 | PPM | XRF | |
| ND | 72 | PPM | XRF | |
| SM | -8 | PPM | XRF |