Sample BFC 84
NavDat sample number 39448 · RHYOLITE
Sample
| Sample ID | BFC 84 |
|---|---|
| Rock name | RHYOLITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
Location
| Latitude | -107.003 |
|---|---|
| Longitude | -37.478 |
| Location | east of Turkey Creek Lake |
| 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 | 65.97 | WT% | XRF | |
| TIO2 | 0.542 | WT% | XRF | |
| AL2O3 | 15.98 | WT% | XRF | |
| FE2O3 | 4.54 | WT% | XRF | |
| MGO | 1.46 | WT% | XRF | |
| CAO | 3.37 | WT% | XRF | |
| NA2O | 3.78 | WT% | XRF | |
| K2O | 3.689 | WT% | XRF | |
| P2O5 | 0.109 | WT% | XRF | |
| MNO | 0.214 | WT% | XRF | |
| LOI | 2.13 | WT% | XRF | |
| TOTAL | 99.654 | WT% | XRF | |
| RB | 132.6 | PPM | XRF | |
| SR | 499.3 | PPM | XRF | |
| Y | 23.8 | PPM | XRF | |
| ZR | 181.7 | PPM | XRF | |
| NB | 16.8 | PPM | XRF | |
| PB | 15.8 | PPM | XRF | |
| TH | 12.4 | PPM | XRF | |
| BA | 785 | PPM | XRF | |
| LA | 42 | PPM | XRF | |
| CE | 71 | PPM | XRF | |
| ND | 27 | PPM | XRF | |
| CU | 11 | PPM | XRF | |
| V | 56 | PPM | XRF | |
| CR | 5 | PPM | XRF | |
| GA | 17.3 | PPM | XRF | |
| NI | 6 | PPM | XRF |