Sample PR-H
NavDat sample number 33790 · RHYOLITE
Sample
| Sample ID | PR-H |
|---|---|
| Rock name | RHYOLITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
| Comment | slightly phyric; consists of approximately30% 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 | 77.13 | WT% | XRF | |
| AL2O3 | 12.09 | WT% | XRF | |
| FEOT | 1.08 | WT% | XRF | |
| MNO | 0.018 | WT% | XRF | |
| MGO | 0 | WT% | XRF | |
| CAO | 0.7 | WT% | XRF | |
| K2O | 4.9 | WT% | XRF | |
| NA2O | 3.65 | WT% | XRF | |
| TIO2 | 0.108 | WT% | XRF | |
| P2O5 | 0.02 | WT% | XRF | |
| LOI | 0.3 | WT% | XRF | |
| TOTAL | 99.7 | WT% | XRF | |
| NI | 8 | PPM | XRF | |
| CR | 3 | PPM | XRF | |
| SC | 0 | PPM | XRF | |
| V | 0 | PPM | XRF | |
| BA | 322 | PPM | XRF | |
| RB | 135 | PPM | XRF | |
| SR | 33 | PPM | XRF | |
| ZR | 187 | PPM | XRF | |
| Y | 30 | PPM | XRF | |
| NB | 44 | PPM | XRF | |
| GA | 16 | PPM | XRF | |
| CU | 5 | PPM | XRF | |
| ZN | 46 | PPM | XRF | |
| PB | 25 | PPM | XRF | |
| TH | 15 | PPM | XRF | |
| LA | 75 | PPM | XRF | |
| CE | 150 | PPM | XRF |