Sample BFC 50
NavDat sample number 39447 · RHYOLITE
Sample
| Sample ID | BFC 50 |
|---|---|
| Rock name | RHYOLITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
Location
| Latitude | -106.778 |
|---|---|
| Longitude | -37.543 |
| Location | north ridge, Heart Mountain |
| 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 | 66.85 | WT% | XRF | |
| TIO2 | 0.51 | WT% | XRF | |
| AL2O3 | 15.95 | WT% | XRF | |
| FE2O3 | 4.2 | WT% | XRF | |
| MGO | 1.2 | WT% | XRF | |
| CAO | 3.21 | WT% | XRF | |
| NA2O | 3.71 | WT% | XRF | |
| K2O | 4.17 | WT% | XRF | |
| P2O5 | 0.21 | WT% | XRF | |
| MNO | 0.06 | WT% | XRF | |
| LOI | 0.79 | WT% | XRF | |
| TOTAL | 100.07 | WT% | XRF | |
| ZN | 58 | PPM | XRF | |
| RB | 88 | PPM | XRF | |
| SR | 502 | PPM | XRF | |
| Y | 21 | PPM | XRF | |
| ZR | 190 | PPM | XRF | |
| NB | 16 | PPM | XRF | |
| PB | 17 | PPM | XRF | |
| TH | 12 | PPM | XRF | |
| BA | 873 | PPM | XRF | |
| LA | 40 | PPM | XRF | |
| CE | 72 | PPM | XRF | |
| ND | 27 | PPM | XRF | |
| CU | 11 | PPM | XRF | |
| V | 59 | PPM | XRF | |
| CR | 6 | PPM | XRF | |
| GA | 18 | PPM | XRF | |
| NI | 6 | PPM | XRF |