Sample BFC 21
NavDat sample number 91802 · RHYOLITE
Sample
| Sample ID | BFC 21 |
|---|---|
| Rock name | RHYOLITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
Location
| Latitude | 37.478 |
|---|---|
| Longitude | -107.003 |
| Location | Deckers Creek |
| State / province | COLORADO |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 28.5 | 28.4 | 28.6 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 66.3 | WT% | XRF | |
| TIO2 | 0.52 | WT% | XRF | |
| AL2O3 | 15.95 | WT% | XRF | |
| FE2O3 | 4.42 | WT% | XRF | |
| MGO | 1.21 | WT% | XRF | |
| CAO | 3.37 | WT% | XRF | |
| NA2O | 3.85 | WT% | XRF | |
| K2O | 3.92 | WT% | XRF | |
| P2O5 | 0.21 | WT% | XRF | |
| MNO | 0.07 | WT% | XRF | |
| LOI | 0.59 | WT% | XRF | |
| TOTAL | 99.82 | WT% | XRF | |
| ZN | 60 | PPM | XRF | |
| RB | 105 | PPM | XRF | |
| SR | 509 | PPM | XRF | |
| Y | 23 | PPM | XRF | |
| ZR | 200 | PPM | XRF | |
| NB | 17 | PPM | XRF | |
| PB | 17 | PPM | XRF | |
| TH | 12 | PPM | XRF | |
| BA | 855 | PPM | XRF | |
| LA | 43 | PPM | XRF | |
| CE | 76 | PPM | XRF | |
| ND | 30 | PPM | XRF | |
| CU | 12 | PPM | XRF | |
| V | 60 | PPM | XRF | |
| CR | 12 | PPM | XRF | |
| GA | 18 | PPM | XRF | |
| NI | 8 | PPM | XRF |