Sample 12
NavDat sample number 54602 · TUFF
Sample
| Sample ID | 12 |
|---|---|
| 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 | 73.58 | WT% | XRF | |
| TIO2 | 0.16 | WT% | XRF | |
| AL2O3 | 13.24 | WT% | XRF | |
| FEO | 1.77 | WT% | XRF | |
| MNO | 0.42 | WT% | XRF | |
| MGO | -0.38 | WT% | XRF | |
| CAO | 0.45 | WT% | XRF | |
| NA2O | 1.94 | WT% | XRF | |
| K2O | 6.45 | WT% | XRF | |
| P2O5 | -0.08 | WT% | XRF | |
| S | 100 | PPM | XRF | |
| CL | 617 | PPM | XRF | |
| ZN | 161 | PPM | XRF | |
| GA | 24 | PPM | XRF | |
| RB | 226 | PPM | XRF | |
| SR | 17 | PPM | XRF | |
| Y | 46 | PPM | XRF | |
| ZR | 360 | PPM | XRF | |
| NB | 32 | PPM | XRF | |
| CS | 10 | PPM | XRF | |
| BA | 851 | PPM | XRF | |
| PB | 53 | PPM | XRF | |
| TH | 31 | PPM | XRF | |
| LA | 76 | PPM | XRF | |
| CE | 157 | PPM | XRF | |
| PR | 23 | PPM | XRF | |
| ND | 58 | PPM | XRF | |
| SM | 15 | PPM | XRF |