Sample CRC2
NavDat sample number 54460 · TUFF
Sample
| Sample ID | CRC2 |
|---|---|
| Rock name | TUFF |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
| Comment | Carson River Canyon, Nevada [NE 1/2 SE 1/4 NW 1/4 SE1/4 Sec 12 T15N, R20E] elevation 4760'. Hackly-weathering densely welded devitrified upper phase of the Nine Hill Tuff. Overlies lower phase. |
Location
| Latitude | 39.18 |
|---|---|
| Longitude | -119.682 |
| 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 | 74.97 | WT% | XRF | |
| TIO2 | 0.34 | WT% | XRF | |
| AL2O3 | 15.01 | WT% | XRF | |
| FEO | 1.3 | WT% | XRF | |
| MNO | 0.03 | WT% | XRF | |
| MGO | 0.46 | WT% | XRF | |
| CAO | 0.66 | WT% | XRF | |
| NA2O | 4.32 | WT% | XRF | |
| K2O | 5.68 | WT% | XRF | |
| P2O5 | 0.16 | WT% | XRF | |
| ZN | 91 | PPM | XRF | |
| GA | 22 | PPM | XRF | |
| RB | 168 | PPM | XRF | |
| SR | 53 | PPM | XRF | |
| Y | 37 | PPM | XRF | |
| ZR | 381 | PPM | XRF | |
| NB | 25 | PPM | XRF | |
| CS | -5 | PPM | XRF | |
| BA | 937 | PPM | XRF | |
| PB | 33 | PPM | XRF | |
| TH | 22 | PPM | XRF | |
| LA | 51 | PPM | XRF | |
| CE | 91 | PPM | XRF | |
| PR | 16 | PPM | XRF | |
| ND | 42 | PPM | XRF | |
| SM | 10 | PPM | XRF |