Sample PR-F
NavDat sample number 33788 · RHYOLITE
Sample
| Sample ID | PR-F |
|---|---|
| Rock name | RHYOLITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
| Comment | slightly phyric; consists of approximately15-20% lithophysal cavities filled to varying degrees with vapor phase quartz; small amounts of sanidine |
Location
| Latitude | 43.8315 |
|---|---|
| Longitude | -116.324 |
| State / province | Idaho |
| Volcanic field | Willow Creek Rhyolite |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 11.3 | 11 | 11.6 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 77.66 | WT% | XRF | |
| AL2O3 | 12.41 | WT% | XRF | |
| FEOT | 1.11 | WT% | XRF | |
| MNO | 0.014 | WT% | XRF | |
| MGO | 0 | WT% | XRF | |
| CAO | 0.57 | WT% | XRF | |
| K2O | 5.02 | WT% | XRF | |
| NA2O | 3.77 | WT% | XRF | |
| TIO2 | 0.122 | WT% | XRF | |
| P2O5 | 0.025 | WT% | XRF | |
| TOTAL | 100.7 | WT% | XRF | |
| NI | 9 | PPM | XRF | |
| CR | 1 | PPM | XRF | |
| SC | 1 | PPM | XRF | |
| V | 0 | PPM | XRF | |
| BA | 352 | PPM | XRF | |
| RB | 136 | PPM | XRF | |
| SR | 29 | PPM | XRF | |
| ZR | 208 | PPM | XRF | |
| Y | 35 | PPM | XRF | |
| NB | 45 | PPM | XRF | |
| GA | 21 | PPM | XRF | |
| CU | 7 | PPM | XRF | |
| ZN | 43 | PPM | XRF | |
| PB | 27 | PPM | XRF | |
| TH | 16 | PPM | XRF | |
| LA | 64 | PPM | XRF | |
| CE | 124 | PPM | XRF |