Sample RSR3
NavDat sample number 54638 · TUFF
Sample
| Sample ID | RSR3 |
|---|---|
| Rock name | TUFF |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
| Comment | Red Star Ridge, Placer Conty, California Hill 6159, Devitrified tuff. |
Location
| Latitude | 39.1764 |
|---|---|
| Longitude | -120.402 |
| State / province | California |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 25.74 | 25.14 | 26.34 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 75.68 | WT% | XRF | |
| TIO2 | 0.17 | WT% | XRF | |
| AL2O3 | 13.53 | WT% | XRF | |
| FEO | 0.64 | WT% | XRF | |
| MNO | 0.03 | WT% | XRF | |
| MGO | -0.41 | WT% | XRF | |
| CAO | 0.3 | WT% | XRF | |
| NA2O | 4.12 | WT% | XRF | |
| K2O | 5.11 | WT% | XRF | |
| P2O5 | -0.07 | WT% | XRF | |
| ZN | 59 | PPM | XRF | |
| GA | 22 | PPM | XRF | |
| RB | 216 | PPM | XRF | |
| SR | 10 | PPM | XRF | |
| Y | 31 | PPM | XRF | |
| ZR | 411 | PPM | XRF | |
| NB | 32 | PPM | XRF | |
| CS | -5 | PPM | XRF | |
| BA | 85 | PPM | XRF | |
| PB | 29 | PPM | XRF | |
| TH | 33 | PPM | XRF | |
| LA | 66 | PPM | XRF | |
| CE | 98 | PPM | XRF | |
| PR | 14 | PPM | XRF | |
| ND | 57 | PPM | XRF | |
| SM | -8 | PPM | XRF |