Sample BFC11
NavDat sample number 39460 · PYROCLASTIC-FALL
Sample
| Sample ID | BFC11 |
|---|---|
| Rock name | PYROCLASTIC-FALL |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
Location
| Latitude | -106.758 |
|---|---|
| Longitude | -37.571 |
| Location | mouth Columbine Creek |
| 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 | 67.43 | WT% | XRF | |
| TIO2 | 0.45 | WT% | XRF | |
| AL2O3 | 15.43 | WT% | XRF | |
| FE2O3 | 4.18 | WT% | XRF | |
| MGO | 1.26 | WT% | XRF | |
| CAO | 3.09 | WT% | XRF | |
| NA2O | 3.79 | WT% | XRF | |
| K2O | 3.83 | WT% | XRF | |
| P2O5 | 0.19 | WT% | XRF | |
| MNO | 0.08 | WT% | XRF | |
| LOI | 1.42 | WT% | XRF | |
| TOTAL | 99.73 | WT% | XRF | |
| ZN | 53 | PPM | XRF | |
| RB | 124 | PPM | XRF | |
| SR | 450 | PPM | XRF | |
| Y | 21 | PPM | XRF | |
| ZR | 185 | PPM | XRF | |
| NB | 17 | PPM | XRF | |
| PB | 18 | PPM | XRF | |
| TH | 15 | PPM | XRF | |
| BA | 813 | PPM | XRF | |
| LA | 41 | PPM | XRF | |
| CE | 72 | PPM | XRF | |
| ND | 26 | PPM | XRF | |
| CU | 9 | PPM | XRF | |
| V | 47 | PPM | XRF | |
| CR | 6.6 | PPM | XRF | |
| GA | 18 | PPM | XRF | |
| NI | 6.7 | PPM | XRF |