Sample EC2
NavDat sample number 54467 · TUFF
Sample
| Sample ID | EC2 |
|---|---|
| Rock name | TUFF |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
| Comment | Eureka Canyon, Carson City, Nevada [E1/2, SW 1/4, SW 1/4, SE 1/4, Sec. 33 T16N, R21E] Unit of Tntb of Bingler (1977), but is not Nine Hill Tuff; referred to here as tuff of Hackett Canyon. Unwelded, highly pumicous vitric glassy tuff. |
Location
| Latitude | 39.2015 |
|---|---|
| Longitude | -119.629 |
| State / province | Nevada |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 21.18 | 17.35 | 25 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 74.53 | WT% | XRF | |
| TIO2 | 0.15 | WT% | XRF | |
| AL2O3 | 13.87 | WT% | XRF | |
| FEO | 1.37 | WT% | XRF | |
| MNO | 0.05 | WT% | XRF | |
| MGO | 0.43 | WT% | XRF | |
| CAO | 0.89 | WT% | XRF | |
| NA2O | 2.41 | WT% | XRF | |
| K2O | 5.53 | WT% | XRF | |
| P2O5 | -0.08 | WT% | XRF | |
| S | 154 | PPM | XRF | |
| CL | 358 | PPM | XRF | |
| ZN | 28 | PPM | XRF | |
| GA | 22 | PPM | XRF | |
| RB | 175 | PPM | XRF | |
| SR | 91 | PPM | XRF | |
| Y | 25 | PPM | XRF | |
| ZR | 193 | PPM | XRF | |
| NB | 19 | PPM | XRF | |
| CS | 6 | PPM | XRF | |
| BA | 396 | PPM | XRF | |
| PB | 39 | PPM | XRF | |
| TH | 23 | PPM | XRF | |
| LA | 46 | PPM | XRF | |
| CE | 82 | PPM | XRF | |
| PR | 12 | PPM | XRF | |
| ND | 24 | PPM | XRF | |
| SM | 9 | PPM | XRF |