Sample R4
NavDat sample number 54546 · VITROPHERE
Sample
| Sample ID | R4 |
|---|---|
| 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 | 73.71 | WT% | XRF | |
| TIO2 | 0.18 | WT% | XRF | |
| AL2O3 | 13.17 | WT% | XRF | |
| FEO | 1.81 | WT% | XRF | |
| MNO | 0.06 | WT% | XRF | |
| MGO | -0.38 | WT% | XRF | |
| CAO | 0.62 | WT% | XRF | |
| NA2O | 2.6 | WT% | XRF | |
| K2O | 5.16 | WT% | XRF | |
| P2O5 | -0.09 | WT% | XRF | |
| S | 134 | PPM | XRF | |
| CL | 568 | PPM | XRF | |
| CU | -5 | PPM | XRF | |
| ZN | 106 | PPM | XRF | |
| GA | 21 | PPM | XRF | |
| RB | 208 | PPM | XRF | |
| SR | 32 | PPM | XRF | |
| Y | 41 | PPM | XRF | |
| ZR | 394 | PPM | XRF | |
| NB | 30 | PPM | XRF | |
| CS | 7 | PPM | XRF | |
| BA | 127 | PPM | XRF | |
| PB | 50 | PPM | XRF | |
| TH | 28 | PPM | XRF | |
| LA | 64 | PPM | XRF | |
| CE | 118 | PPM | XRF | |
| PR | 20 | PPM | XRF | |
| ND | 43 | PPM | XRF | |
| SM | -8 | PPM | XRF |