Sample BFC 125
NavDat sample number 42894 · RHYOLITE
Sample
| Sample ID | BFC 125 |
|---|---|
| Rock name | RHYOLITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
Location
| Latitude | 38.096 |
|---|---|
| Longitude | -106.667 |
| Location | north of Saguache Park |
| 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 | 67.56 | WT% | XRF | |
| TIO2 | 0.449 | WT% | XRF | |
| AL2O3 | 15.64 | WT% | XRF | |
| FE2O3 | 3.74 | WT% | XRF | |
| MGO | 1.08 | WT% | XRF | |
| CAO | 3.18 | WT% | XRF | |
| NA2O | 3.83 | WT% | XRF | |
| K2O | 4.184 | WT% | XRF | |
| P2O5 | 0.09 | WT% | XRF | |
| MNO | 0.181 | WT% | XRF | |
| LOI | 1.68 | WT% | XRF | |
| TOTAL | 99.934 | WT% | XRF | |
| RB | 114.9 | PPM | XRF | |
| SR | 458.9 | PPM | XRF | |
| Y | 21.2 | PPM | XRF | |
| ZR | 179.8 | PPM | XRF | |
| NB | 16 | PPM | XRF | |
| PB | 17.6 | PPM | XRF | |
| TH | 13.6 | PPM | XRF | |
| BA | 837 | PPM | XRF | |
| LA | 42 | PPM | XRF | |
| CE | 72 | PPM | XRF | |
| ND | 27 | PPM | XRF | |
| CU | 9 | PPM | XRF | |
| V | 52 | PPM | XRF | |
| CR | 4 | PPM | XRF | |
| GA | 17.1 | PPM | XRF | |
| NI | 5 | PPM | XRF |