Sample BR2
NavDat sample number 54476 · TUFF
Sample
| Sample ID | BR2 |
|---|---|
| Rock name | TUFF |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
| Comment | Buckskin River, Douglas County, Nevada [NE 1/4, NW 1/4, NE 1/4, SE 1/4, Sec. 33, T14N, R23E]. overlying devtrified tuff, all lower phase |
Location
| Latitude | 39.0333 |
|---|---|
| Longitude | -119.408 |
| State / province | Nevada |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 24.23 | 17.35 | 31.1 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 75.79 | WT% | XRF | |
| TIO2 | 0.18 | WT% | XRF | |
| AL2O3 | 12.92 | WT% | XRF | |
| FEO | 1.07 | WT% | XRF | |
| MNO | 0.03 | WT% | XRF | |
| MGO | -0.38 | WT% | XRF | |
| CAO | 0.5 | WT% | XRF | |
| NA2O | 4.03 | WT% | XRF | |
| K2O | 5.11 | WT% | XRF | |
| P2O5 | 0.1 | WT% | XRF | |
| ZN | 57 | PPM | XRF | |
| GA | 22 | PPM | XRF | |
| RB | 208 | PPM | XRF | |
| SR | 42 | PPM | XRF | |
| Y | 30 | PPM | XRF | |
| ZR | 399 | PPM | XRF | |
| NB | 29 | PPM | XRF | |
| CS | -5 | PPM | XRF | |
| BA | 533 | PPM | XRF | |
| PB | 26 | PPM | XRF | |
| TH | 27 | PPM | XRF | |
| LA | 82 | PPM | XRF | |
| CE | 131 | PPM | XRF | |
| PR | 37 | PPM | XRF | |
| ND | 49 | PPM | XRF | |
| SM | 13 | PPM | XRF |