Sample BFC17
NavDat sample number 42909 · PYROCLASTIC-FALL
Sample
| Sample ID | BFC17 |
|---|---|
| Rock name | PYROCLASTIC-FALL |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
Location
| Latitude | 37.569 |
|---|---|
| Longitude | -106.758 |
| 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 | 68.26 | WT% | XRF | |
| TIO2 | 0.46 | WT% | XRF | |
| AL2O3 | 15.13 | WT% | XRF | |
| FE2O3 | 3.99 | WT% | XRF | |
| MGO | 0.92 | WT% | XRF | |
| CAO | 2.74 | WT% | XRF | |
| NA2O | 3.71 | WT% | XRF | |
| K2O | 4.34 | WT% | XRF | |
| P2O5 | 0.18 | WT% | XRF | |
| MNO | 0.08 | WT% | XRF | |
| LOI | 0.54 | WT% | XRF | |
| TOTAL | 99.81 | WT% | XRF | |
| ZN | 55 | PPM | XRF | |
| RB | 126 | PPM | XRF | |
| SR | 426 | PPM | XRF | |
| Y | 21 | PPM | XRF | |
| ZR | 185 | PPM | XRF | |
| NB | 17 | PPM | XRF | |
| PB | 18 | PPM | XRF | |
| TH | 14 | PPM | XRF | |
| BA | 829 | PPM | XRF | |
| LA | 40 | PPM | XRF | |
| CE | 72 | PPM | XRF | |
| ND | 26 | PPM | XRF | |
| CU | 10 | PPM | XRF | |
| V | 51 | PPM | XRF | |
| CR | 5.6 | PPM | XRF | |
| GA | 18 | PPM | XRF | |
| NI | 5.8 | PPM | XRF |