Sample D24
NavDat sample number 54404 · TUFF
Sample
| Sample ID | D24 |
|---|---|
| Rock name | TUFF |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
| Comment | Dogskin Mountian, Nevada [NE 1/4, SE 1/4, SE 1/4 Sec 17 T24N, R19E] 36 meters above D16, top of section, biotite-rich. Not Nine Hill Tuff, affinity unknown. |
Location
| Latitude | 39.9167 |
|---|---|
| Longitude | -119.805 |
| State / province | Nevada |
| Location comment | Dogskin Mountain |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 28.15 | 27 | 29.3 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 67.82 | WT% | XRF | |
| TIO2 | 0.36 | WT% | XRF | |
| AL2O3 | 14.82 | WT% | XRF | |
| FEO | 1.5 | WT% | XRF | |
| MNO | 0.03 | WT% | XRF | |
| MGO | 0.33 | WT% | XRF | |
| CAO | 3.04 | WT% | XRF | |
| NA2O | 3.33 | WT% | XRF | |
| K2O | 4.86 | WT% | XRF | |
| P2O5 | 0.11 | WT% | XRF | |
| ZN | 27 | PPM | XRF | |
| GA | 19 | PPM | XRF | |
| RB | 175 | PPM | XRF | |
| SR | 230 | PPM | XRF | |
| Y | 22 | PPM | XRF | |
| ZR | 228 | PPM | XRF | |
| NB | 17 | PPM | XRF | |
| CS | 9 | PPM | XRF | |
| BA | 1162 | PPM | XRF | |
| PB | 30 | PPM | XRF | |
| TH | 22 | PPM | XRF | |
| LA | 38 | PPM | XRF | |
| CE | 57 | PPM | XRF | |
| PR | 24 | PPM | XRF | |
| ND | 13 | PPM | XRF | |
| SM | -8 | PPM | XRF |