Sample 46A
NavDat sample number 54622 · TUFF
Sample
| Sample ID | 46A |
|---|---|
| Rock name | TUFF |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
Location
| Latitude | 38.2983 |
|---|---|
| Longitude | -120.702 |
| State / province | California |
| Location comment | Tuff of Chili Gulch |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 19.91 | 19.21 | 20.61 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 75.92 | WT% | XRF | |
| TIO2 | 0.18 | WT% | XRF | |
| AL2O3 | 14.03 | WT% | XRF | |
| FEO | 2.17 | WT% | XRF | |
| MNO | 0.06 | WT% | XRF | |
| MGO | 0.43 | WT% | XRF | |
| CAO | 0.41 | WT% | XRF | |
| NA2O | 3.64 | WT% | XRF | |
| K2O | 4.58 | WT% | XRF | |
| P2O5 | -0.08 | WT% | XRF | |
| ZN | 95 | PPM | XRF | |
| GA | 20 | PPM | XRF | |
| RB | 179 | PPM | XRF | |
| SR | 29 | PPM | XRF | |
| Y | 26 | PPM | XRF | |
| ZR | 357 | PPM | XRF | |
| NB | 31 | PPM | XRF | |
| CS | -5 | PPM | XRF | |
| BA | 82 | PPM | XRF | |
| PB | 80 | PPM | XRF | |
| TH | 35 | PPM | XRF | |
| LA | 30 | PPM | XRF | |
| CE | 39 | PPM | XRF | |
| PR | -8 | PPM | XRF | |
| ND | 22 | PPM | XRF | |
| SM | -8 | PPM | XRF |