Sample BF-TRCV
NavDat sample number 33758 · VITROPHERE
Sample
| Sample ID | BF-TRCV |
|---|---|
| Rock name | VITROPHERE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
| Comment | porphyritic banded upper vitrophyre; glass is devitrified and perlitic; contains radial spherulties and lithophysal cavities; plagioclase and sanidine present |
Location
| Latitude | 43.6095 |
|---|---|
| Longitude | -116.206 |
| State / province | Idaho |
| Volcanic field | Cottonwood 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 | 74.64 | WT% | XRF | |
| AL2O3 | 12.38 | WT% | XRF | |
| FEOT | 1.31 | WT% | XRF | |
| MNO | 0.02 | WT% | XRF | |
| MGO | 0 | WT% | XRF | |
| CAO | 0.53 | WT% | XRF | |
| K2O | 6.51 | WT% | XRF | |
| NA2O | 2.52 | WT% | XRF | |
| TIO2 | 0.12 | WT% | XRF | |
| P2O5 | 0.01 | WT% | XRF | |
| TOTAL | 98.04 | WT% | XRF | |
| NI | 10 | PPM | XRF | |
| CR | 0 | PPM | XRF | |
| SC | 2 | PPM | XRF | |
| V | 8 | PPM | XRF | |
| BA | 428 | PPM | XRF | |
| RB | 139 | PPM | XRF | |
| SR | 29 | PPM | XRF | |
| ZR | 193 | PPM | XRF | |
| Y | 42 | PPM | XRF | |
| NB | 44 | PPM | XRF | |
| GA | 20 | PPM | XRF | |
| CU | 4 | PPM | XRF | |
| ZN | 52 | PPM | XRF | |
| PB | 29 | PPM | XRF | |
| TH | 14 | PPM | XRF | |
| LA | 69 | PPM | XRF | |
| CE | 128 | PPM | XRF |