Sample BFC91
NavDat sample number 42917 · PYROCLASTIC-FALL
Sample
| Sample ID | BFC91 |
|---|---|
| Rock name | PYROCLASTIC-FALL |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
Location
| Latitude | 37.464 |
|---|---|
| Longitude | -107.003 |
| Location | SE of Turkey Cr Lake |
| State / province | COLORADO |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 27.93 | 27.75 | 28.11 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 67.94 | WT% | XRF | |
| TIO2 | 0.462 | WT% | XRF | |
| AL2O3 | 15.29 | WT% | XRF | |
| FE2O3 | 3.79 | WT% | XRF | |
| MGO | 1.09 | WT% | XRF | |
| CAO | 2.95 | WT% | XRF | |
| NA2O | 3.94 | WT% | XRF | |
| K2O | 4.16 | WT% | XRF | |
| P2O5 | 0.1 | WT% | XRF | |
| MNO | 0.187 | WT% | XRF | |
| LOI | 1.72 | WT% | XRF | |
| TOTAL | 99.909 | WT% | XRF | |
| ZN | 59 | PPM | XRF | |
| RB | 122 | PPM | XRF | |
| SR | 434 | PPM | XRF | |
| Y | 21.4 | PPM | XRF | |
| ZR | 188 | PPM | XRF | |
| NB | 17.3 | PPM | XRF | |
| PB | 16.9 | PPM | XRF | |
| TH | 13.9 | PPM | XRF | |
| BA | 811 | PPM | XRF | |
| LA | 44 | PPM | XRF | |
| CE | 75 | PPM | XRF | |
| ND | 27 | PPM | XRF | |
| CU | 8 | PPM | XRF | |
| V | 48 | PPM | XRF | |
| CR | 4 | PPM | XRF | |
| GA | 16.6 | PPM | XRF | |
| NI | 6 | PPM | XRF |