Sample M13
NavDat sample number 54490 · TUFF
Sample
| Sample ID | M13 |
|---|---|
| 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 porrly stratified tuff, underlies mudflow. 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 | 68.54 | WT% | XRF | |
| TIO2 | 0.46 | WT% | XRF | |
| AL2O3 | 18.75 | WT% | XRF | |
| FEO | 3.8 | WT% | XRF | |
| MNO | 0.06 | WT% | XRF | |
| MGO | 0.76 | WT% | XRF | |
| CAO | 1.66 | WT% | XRF | |
| NA2O | 1.49 | WT% | XRF | |
| K2O | 3.71 | WT% | XRF | |
| P2O5 | 0.09 | WT% | XRF | |
| CU | 5 | PPM | XRF | |
| ZN | 78 | PPM | XRF | |
| GA | 78 | PPM | XRF | |
| RB | 319 | PPM | XRF | |
| SR | 77 | PPM | XRF | |
| Y | 35 | PPM | XRF | |
| ZR | 285 | PPM | XRF | |
| NB | 24 | PPM | XRF | |
| CS | 14 | PPM | XRF | |
| BA | 744 | PPM | XRF | |
| PB | 45 | PPM | XRF | |
| TH | 22 | PPM | XRF | |
| LA | 57 | PPM | XRF | |
| CE | 90 | PPM | XRF | |
| PR | 18 | PPM | XRF | |
| ND | 32 | PPM | XRF | |
| SM | -8 | PPM | XRF |