Sample F1
NavDat sample number 54624 · TUFF
Sample
| Sample ID | F1 |
|---|---|
| Rock name | TUFF |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
| Comment | Frenchman Lake, Diamond Mountains, Lassen County, California [NE 1/4, NW 1/4, NW 1/4, SE 1/4, Sec. 34 T24N, R16E] 130 meters east of Spring Ck. Campground turnoff. Welded devitrified Nine Hill Tuff. |
Location
| Latitude | 39.8955 |
|---|---|
| Longitude | -120.179 |
| State / province | California |
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 | 75.94 | WT% | XRF | |
| TIO2 | 0.21 | WT% | XRF | |
| AL2O3 | 13.91 | WT% | XRF | |
| FEO | 0.72 | WT% | XRF | |
| MNO | 0.02 | WT% | XRF | |
| MGO | -0.3 | WT% | XRF | |
| CAO | 0.37 | WT% | XRF | |
| NA2O | 4.04 | WT% | XRF | |
| K2O | 5.51 | WT% | XRF | |
| P2O5 | 0.1 | WT% | XRF | |
| ZN | 55 | PPM | XRF | |
| GA | 23 | PPM | XRF | |
| RB | 219 | PPM | XRF | |
| SR | 25 | PPM | XRF | |
| Y | 44 | PPM | XRF | |
| ZR | 422 | PPM | XRF | |
| NB | 27 | PPM | XRF | |
| CS | -5 | PPM | XRF | |
| BA | 197 | PPM | XRF | |
| PB | 33 | PPM | XRF | |
| TH | 27 | PPM | XRF | |
| LA | 69 | PPM | XRF | |
| CE | 114 | PPM | XRF | |
| PR | 18 | PPM | XRF | |
| ND | 60 | PPM | XRF | |
| SM | 15 | PPM | XRF |