Sample BFC16
NavDat sample number 91823 · PYROCLASTIC-FALL
Sample
| Sample ID | BFC16 |
|---|---|
| Rock name | PYROCLASTIC-FALL |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
Location
| Latitude | 37.571 |
|---|---|
| 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 | 67 | WT% | XRF | |
| TIO2 | 0.45 | WT% | XRF | |
| AL2O3 | 15.51 | WT% | XRF | |
| FE2O3 | 4.15 | WT% | XRF | |
| MGO | 1.31 | WT% | XRF | |
| CAO | 3.09 | WT% | XRF | |
| NA2O | 3.71 | WT% | XRF | |
| K2O | 4.09 | WT% | XRF | |
| P2O5 | 0.19 | WT% | XRF | |
| MNO | 0.09 | WT% | XRF | |
| LOI | 1.36 | WT% | XRF | |
| TOTAL | 99.59 | WT% | XRF | |
| ZN | 52 | PPM | XRF | |
| RB | 131 | PPM | XRF | |
| SR | 450 | PPM | XRF | |
| Y | 22 | PPM | XRF | |
| ZR | 180 | PPM | XRF | |
| NB | 17 | PPM | XRF | |
| PB | 18 | PPM | XRF | |
| TH | 15 | PPM | XRF | |
| BA | 793 | PPM | XRF | |
| LA | 41 | PPM | XRF | |
| CE | 73 | PPM | XRF | |
| ND | 27 | PPM | XRF | |
| CU | 7 | PPM | XRF | |
| V | 46 | PPM | XRF | |
| CR | 10 | PPM | XRF | |
| GA | 17 | PPM | XRF | |
| NI | 8.1 | PPM | XRF |