Sample P56
NavDat sample number 33791 · VITROPHERE
Sample
| Sample ID | P56 |
|---|---|
| Rock name | VITROPHERE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
| Comment | flow banding consisting of alternating bands of clear glass with lots of microlites and brown glass with sparse microlites; from contact between lower white tuff and Willow Creek Rhyolite |
Location
| Latitude | 43.8034 |
|---|---|
| Longitude | -116.336 |
| 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 | 75.03 | WT% | XRF | |
| AL2O3 | 12.38 | WT% | XRF | |
| FEOT | 1.14 | WT% | XRF | |
| MNO | 0.033 | WT% | XRF | |
| MGO | 0 | WT% | XRF | |
| CAO | 0.58 | WT% | XRF | |
| K2O | 6.2 | WT% | XRF | |
| NA2O | 2.68 | WT% | XRF | |
| TIO2 | 0.116 | WT% | XRF | |
| P2O5 | 0.01 | WT% | XRF | |
| LOI | 1.83 | WT% | XRF | |
| TOTAL | 98.17 | WT% | XRF | |
| NI | 15 | PPM | XRF | |
| CR | 4 | PPM | XRF | |
| SC | 0 | PPM | XRF | |
| V | 0 | PPM | XRF | |
| BA | 373 | PPM | XRF | |
| RB | 148 | PPM | XRF | |
| SR | 26 | PPM | XRF | |
| ZR | 204 | PPM | XRF | |
| Y | 52 | PPM | XRF | |
| NB | 45 | PPM | XRF | |
| GA | 23 | PPM | XRF | |
| CU | 4 | PPM | XRF | |
| ZN | 61 | PPM | XRF | |
| PB | 26 | PPM | XRF | |
| TH | 15 | PPM | XRF | |
| LA | 76 | PPM | XRF | |
| CE | 150 | PPM | XRF |