Sample BFC32
NavDat sample number 91826 · PYROCLASTIC-FALL
Sample
| Sample ID | BFC32 |
|---|---|
| Rock name | PYROCLASTIC-FALL |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
Location
| Latitude | 37.55 |
|---|---|
| Longitude | -106.771 |
| Location | lower Pass 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 | 67.06 | WT% | XRF | |
| TIO2 | 0.51 | WT% | XRF | |
| AL2O3 | 15.87 | WT% | XRF | |
| FE2O3 | 4.17 | WT% | XRF | |
| MGO | 0.85 | WT% | XRF | |
| CAO | 3.13 | WT% | XRF | |
| NA2O | 3.82 | WT% | XRF | |
| K2O | 4.07 | WT% | XRF | |
| P2O5 | 0.21 | WT% | XRF | |
| MNO | 0.06 | WT% | XRF | |
| LOI | 0.34 | WT% | XRF | |
| TOTAL | 99.75 | WT% | XRF | |
| ZN | 55 | PPM | XRF | |
| RB | 112 | PPM | XRF | |
| SR | 493 | PPM | XRF | |
| Y | 21 | PPM | XRF | |
| ZR | 190 | PPM | XRF | |
| NB | 16 | PPM | XRF | |
| PB | 16 | PPM | XRF | |
| TH | 13 | PPM | XRF | |
| BA | 881 | PPM | XRF | |
| LA | 41 | PPM | XRF | |
| CE | 74 | PPM | XRF | |
| ND | 27 | PPM | XRF | |
| CU | 10 | PPM | XRF | |
| V | 58 | PPM | XRF | |
| CR | 6.5 | PPM | XRF | |
| GA | 18 | PPM | XRF | |
| NI | 5.7 | PPM | XRF |