Sample CA4
NavDat sample number 54480 · TUFF
Sample
| Sample ID | CA4 |
|---|---|
| Rock name | TUFF |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
| Comment | Carson Airport, Carson city, Nevada [SW1/4, SE1/4, Sec 34, T15N, R20E]. At 4900' below CA4, is Nine Hill Tuff and lower phase. |
Location
| Latitude | 39.2015 |
|---|---|
| Longitude | -119.732 |
| State / province | Nevada |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 22.78 | 19.21 | 26.34 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 71.93 | WT% | XRF | |
| TIO2 | 0.33 | WT% | XRF | |
| AL2O3 | 14.36 | WT% | XRF | |
| FEO | 1.51 | WT% | XRF | |
| MNO | 0.03 | WT% | XRF | |
| MGO | -0.3 | WT% | XRF | |
| CAO | 0.53 | WT% | XRF | |
| NA2O | 4.38 | WT% | XRF | |
| K2O | 5.37 | WT% | XRF | |
| P2O5 | -0.09 | WT% | XRF | |
| S | -10 | PPM | XRF | |
| CL | 809 | PPM | XRF | |
| ZN | 90 | PPM | XRF | |
| GA | 24 | PPM | XRF | |
| RB | 168 | PPM | XRF | |
| SR | 51 | PPM | XRF | |
| Y | 32 | PPM | XRF | |
| ZR | 391 | PPM | XRF | |
| NB | 29 | PPM | XRF | |
| CS | -5 | PPM | XRF | |
| BA | 993 | PPM | XRF | |
| PB | 36 | PPM | XRF | |
| TH | 18 | PPM | XRF | |
| LA | 55 | PPM | XRF | |
| CE | 104 | PPM | XRF | |
| PR | -8 | PPM | XRF | |
| ND | 23 | PPM | XRF | |
| SM | -8 | PPM | XRF |