Sample BF-TRC
NavDat sample number 33757 · RHYOLITE
Sample
| Sample ID | BF-TRC |
|---|---|
| Rock name | RHYOLITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
| Comment | porphyritic, vertically flow banded; slightly phyric; 85-90% matrix; plagioclase and sanidine present |
Location
| Latitude | 43.6219 |
|---|---|
| Longitude | -116.137 |
| 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 | 76.14 | WT% | XRF | |
| AL2O3 | 12.76 | WT% | XRF | |
| FEOT | 1.24 | WT% | XRF | |
| MNO | 0.03 | WT% | XRF | |
| MGO | 0 | WT% | XRF | |
| CAO | 0.45 | WT% | XRF | |
| K2O | 5.14 | WT% | XRF | |
| NA2O | 4.09 | WT% | XRF | |
| TIO2 | 0.12 | WT% | XRF | |
| P2O5 | 0.01 | WT% | XRF | |
| TOTAL | 100.26 | WT% | XRF | |
| NI | 7 | PPM | XRF | |
| CR | 0 | PPM | XRF | |
| SC | 0 | PPM | XRF | |
| V | 0 | PPM | XRF | |
| BA | 384 | PPM | XRF | |
| RB | 136 | PPM | XRF | |
| SR | 22 | PPM | XRF | |
| ZR | 193 | PPM | XRF | |
| Y | 16 | PPM | XRF | |
| NB | 44 | PPM | XRF | |
| GA | 21 | PPM | XRF | |
| CU | 0 | PPM | XRF | |
| ZN | 56 | PPM | XRF | |
| PB | 38 | PPM | XRF | |
| TH | 15 | PPM | XRF | |
| LA | 68 | PPM | XRF | |
| CE | 150 | PPM | XRF |