Sample HP13D
NavDat sample number 54631 · TUFF
Sample
| Sample ID | HP13D |
|---|---|
| Rock name | TUFF |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
| Comment | Haskell Peak, Lassen county California [SW 1/4, SE 1/4; in Se /1/4 Sec. 19 T 21N, R 13E] Upper phase of the Nine Hill Tuff. |
Location
| Latitude | 39.659 |
|---|---|
| Longitude | -120.566 |
| State / province | California |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 23.06 | 22.52 | 23.6 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 72.52 | WT% | XRF | |
| TIO2 | 0.32 | WT% | XRF | |
| AL2O3 | 14.34 | WT% | XRF | |
| FEO | 0.174 | WT% | XRF | |
| MNO | 0.05 | WT% | XRF | |
| MGO | -0.43 | WT% | XRF | |
| CAO | 0.61 | WT% | XRF | |
| NA2O | 4.19 | WT% | XRF | |
| K2O | 5.14 | WT% | XRF | |
| P2O5 | -0.08 | WT% | XRF | |
| ZN | 80 | PPM | XRF | |
| GA | 21 | PPM | XRF | |
| RB | 166 | PPM | XRF | |
| SR | 64 | PPM | XRF | |
| Y | 27 | PPM | XRF | |
| ZR | 321 | PPM | XRF | |
| NB | 25 | PPM | XRF | |
| CS | 6 | PPM | XRF | |
| BA | 1190 | PPM | XRF | |
| PB | 34 | PPM | XRF | |
| TH | 20 | PPM | XRF | |
| LA | 53 | PPM | XRF | |
| CE | 106 | PPM | XRF | |
| PR | 19 | PPM | XRF | |
| ND | 51 | PPM | XRF | |
| SM | 8 | PPM | XRF |