Sample PR-D
NavDat sample number 33786 · RHYOLITE
Sample
| Sample ID | PR-D |
|---|---|
| Rock name | RHYOLITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
| Comment | slightly phyric with faint flow banding; contains spherulites and lithophysal cavities filled with vapor phase quartz |
Location
| Latitude | 43.8325 |
|---|---|
| Longitude | -116.316 |
| 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 | 76.79 | WT% | XRF | |
| AL2O3 | 12.92 | WT% | XRF | |
| FEOT | 1.17 | WT% | XRF | |
| MNO | 0.017 | WT% | XRF | |
| MGO | 0 | WT% | XRF | |
| CAO | 0.45 | WT% | XRF | |
| K2O | 5.2 | WT% | XRF | |
| NA2O | 3.91 | WT% | XRF | |
| TIO2 | 0.12 | WT% | XRF | |
| P2O5 | 0.041 | WT% | XRF | |
| TOTAL | 100.62 | WT% | XRF | |
| NI | 11 | PPM | XRF | |
| CR | 0 | PPM | XRF | |
| SC | 0 | PPM | XRF | |
| V | 0 | PPM | XRF | |
| BA | 382 | PPM | XRF | |
| RB | 141 | PPM | XRF | |
| SR | 23 | PPM | XRF | |
| ZR | 205 | PPM | XRF | |
| Y | 37 | PPM | XRF | |
| NB | 47 | PPM | XRF | |
| GA | 23 | PPM | XRF | |
| CU | 4 | PPM | XRF | |
| ZN | 50 | PPM | XRF | |
| PB | 28 | PPM | XRF | |
| TH | 15 | PPM | XRF | |
| LA | 89 | PPM | XRF | |
| CE | 143 | PPM | XRF |