Sample B18
NavDat sample number 54406 · TUFF
Sample
| Sample ID | B18 |
|---|---|
| Rock name | TUFF |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
| Comment | Bluestone Mine vicinity, yerington district, Nevada [NE 1/4, SE 1/4, SE 1/4, Sec. 30, T 13 N, R24E] Lower phase of the Nine Hill Tuff, moderately welded to densely welded, devitrified |
Location
| Latitude | 39.9581 |
|---|---|
| Longitude | -119.229 |
| State / province | Nevada |
| Location comment | Bluestone Mine |
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 | 76.58 | WT% | XRF | |
| TIO2 | 0.19 | WT% | XRF | |
| AL2O3 | 14.24 | WT% | XRF | |
| FEO | 1.05 | WT% | XRF | |
| MNO | 0.04 | WT% | XRF | |
| MGO | -0.39 | WT% | XRF | |
| CAO | 0.38 | WT% | XRF | |
| NA2O | 2.12 | WT% | XRF | |
| K2O | 8.1 | WT% | XRF | |
| P2O5 | -0.07 | WT% | XRF | |
| ZN | 65 | PPM | XRF | |
| GA | 27 | PPM | XRF | |
| RB | 215 | PPM | XRF | |
| SR | 25 | PPM | XRF | |
| Y | 29 | PPM | XRF | |
| ZR | 373 | PPM | XRF | |
| NB | 28 | PPM | XRF | |
| CS | -5 | PPM | XRF | |
| BA | 319 | PPM | XRF | |
| PB | 115 | PPM | XRF | |
| TH | 31 | PPM | XRF | |
| LA | 57 | PPM | XRF | |
| CE | 136 | PPM | XRF | |
| PR | 16 | PPM | XRF | |
| ND | 47 | PPM | XRF | |
| SM | 18 | PPM | XRF |