Sample HP7B
NavDat sample number 54627 · TUFF
Sample
| Sample ID | HP7B |
|---|---|
| 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] Lower 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 | 73.37 | WT% | XRF | |
| TIO2 | 0.17 | WT% | XRF | |
| AL2O3 | 13.46 | WT% | XRF | |
| FEO | 1.86 | WT% | XRF | |
| MNO | 0.06 | WT% | XRF | |
| MGO | -0.38 | WT% | XRF | |
| CAO | 0.46 | WT% | XRF | |
| NA2O | 2.57 | WT% | XRF | |
| K2O | 5.71 | WT% | XRF | |
| P2O5 | -0.1 | WT% | XRF | |
| S | 158 | PPM | XRF | |
| CL | 610 | PPM | XRF | |
| ZN | 101 | PPM | XRF | |
| GA | 24 | PPM | XRF | |
| RB | 216 | PPM | XRF | |
| SR | 13 | PPM | XRF | |
| Y | 44 | PPM | XRF | |
| ZR | 423 | PPM | XRF | |
| NB | 32 | PPM | XRF | |
| CS | 6 | PPM | XRF | |
| BA | 60 | PPM | XRF | |
| PB | 53 | PPM | XRF | |
| TH | 29 | PPM | XRF | |
| LA | 80 | PPM | XRF | |
| CE | 127 | PPM | XRF | |
| PR | 12 | PPM | XRF | |
| ND | 55 | PPM | XRF | |
| SM | -8 | PPM | XRF |