Sample 804
NavDat sample number 66201 · RHYOLITE
Sample
| Sample ID | 804 |
|---|---|
| Alternate ID | 01-BO-2 |
| Rock name | RHYOLITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
| Comment | Tuff |
Location
| Latitude | 43.6543 |
|---|---|
| Longitude | -117.1 |
| State / province | Oregon |
| Formation | Chalk Hills Formation |
| Elevation | 817 |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 14.55 | 5.3 | 23.8 | Miocene |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 77.1 | WT% | XRF | |
| AL2O3 | 12.22 | WT% | XRF | |
| TIO2 | 0.218 | WT% | XRF | |
| FEOT | 1.27 | WT% | XRF | |
| MNO | 0.038 | WT% | XRF | |
| CAO | 0.57 | WT% | XRF | |
| MGO | 0.04 | WT% | XRF | |
| K2O | 5.82 | WT% | XRF | |
| NA2O | 2.69 | WT% | XRF | |
| P2O5 | 0.038 | WT% | XRF | |
| TOTAL | 97.97 | WT% | XRF | |
| NI | 5 | PPM | XRF | |
| SC | 4 | PPM | XRF | |
| V | 5 | PPM | XRF | |
| BA | 909 | PPM | XRF | |
| RB | 180 | PPM | XRF | |
| SR | 40 | PPM | XRF | |
| ZR | 213 | PPM | XRF | |
| Y | 58 | PPM | XRF | |
| NB | 45 | PPM | XRF | |
| GA | 19 | PPM | XRF | |
| ZN | 50 | PPM | XRF | |
| PB | 21 | PPM | XRF | |
| LA | 75 | PPM | XRF | |
| CE | 127 | PPM | XRF | |
| TH | 24 | PPM | XRF |