Sample M2
NavDat sample number 54487 · TUFF
Sample
| Sample ID | M2 |
|---|---|
| Rock name | TUFF |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
| Comment | Mine Canyon, Washoe County, Nevada [NW 1/4, NW 1/4, NE 1/4, SE 1/4, Sec. 1, T23N, R20E]. Unwelded pumicous vitric devitrified once-glassy tuff. Apparently Nine Hill Tuff. |
Location
| Latitude | 39.894 |
|---|---|
| Longitude | -119.691 |
| State / province | Nevada |
| Location comment | Nine Hill |
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 | 76.46 | WT% | XRF | |
| TIO2 | 0.21 | WT% | XRF | |
| AL2O3 | 14.01 | WT% | XRF | |
| FEO | 2.24 | WT% | XRF | |
| MNO | 0.07 | WT% | XRF | |
| MGO | 0.68 | WT% | XRF | |
| CAO | 1.2 | WT% | XRF | |
| NA2O | 2.06 | WT% | XRF | |
| K2O | 4.08 | WT% | XRF | |
| P2O5 | -0.08 | WT% | XRF | |
| CU | -5 | PPM | XRF | |
| ZN | 85 | PPM | XRF | |
| GA | 22 | PPM | XRF | |
| RB | 177 | PPM | XRF | |
| SR | 54 | PPM | XRF | |
| Y | 35 | PPM | XRF | |
| ZR | 391 | PPM | XRF | |
| NB | 29 | PPM | XRF | |
| CS | 10 | PPM | XRF | |
| BA | 137 | PPM | XRF | |
| PB | 36 | PPM | XRF | |
| TH | 29 | PPM | XRF | |
| LA | 51 | PPM | XRF | |
| CE | 101 | PPM | XRF | |
| PR | 17 | PPM | XRF | |
| ND | 36 | PPM | XRF | |
| SM | -8 | PPM | XRF |