Sample 798
NavDat sample number 66199 · RHYOLITE
Sample
| Sample ID | 798 |
|---|---|
| Alternate ID | 95-BE-31 |
| Rock name | RHYOLITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
| Comment | Rhyolite |
Location
| Latitude | 44.4079 |
|---|---|
| Longitude | -121.223 |
| State / province | Oregon |
| Formation | John Day Formation |
| Elevation | 1061 |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 12.8 | 1.8 | 23.8 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 78.59 | WT% | XRF | |
| AL2O3 | 10.92 | WT% | XRF | |
| TIO2 | 0.125 | WT% | XRF | |
| FEOT | 1.63 | WT% | XRF | |
| MNO | 0.012 | WT% | XRF | |
| CAO | 0.12 | WT% | XRF | |
| MGO | 0.16 | WT% | XRF | |
| K2O | 5.01 | WT% | XRF | |
| NA2O | 3.41 | WT% | XRF | |
| P2O5 | 0.026 | WT% | XRF | |
| TOTAL | 101.24 | WT% | XRF | |
| NI | 9 | PPM | XRF | |
| V | 4 | PPM | XRF | |
| BA | 309 | PPM | XRF | |
| RB | 172 | PPM | XRF | |
| SR | 14 | PPM | XRF | |
| ZR | 373 | PPM | XRF | |
| Y | 99 | PPM | XRF | |
| NB | 49 | PPM | XRF | |
| GA | 30 | PPM | XRF | |
| CU | 2 | PPM | XRF | |
| ZN | 111 | PPM | XRF | |
| PB | 14 | PPM | XRF | |
| LA | 81 | PPM | XRF | |
| CE | 130 | PPM | XRF | |
| TH | 15 | PPM | XRF |