Sample 02L-20-B
NavDat sample number 45999 · PYROCLASTIC-FALL
Sample
| Sample ID | 02L-20-B |
|---|---|
| Rock name | PYROCLASTIC-FALL |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
Location
| Latitude | 38.175 |
|---|---|
| Longitude | -106.477 |
| Location | roadcut Hwy 114 |
| State / province | COLORADO |
| Formation | Bachelor Caldera Cycle, Carpenter Ridge Tuff, outflow facies |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 27.35 | 27.25 | 27.45 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 75.33 | WT% | XRF | |
| TIO2 | 0.201949 | WT% | XRF | |
| AL2O3 | 12.9248 | WT% | XRF | |
| FE2O3 | 1.22179 | WT% | XRF | |
| MGO | 0.0706823 | WT% | XRF | |
| CAO | 0.747213 | WT% | XRF | |
| NA2O | 3.39275 | WT% | XRF | |
| K2O | 5.30117 | WT% | XRF | |
| P2O5 | 0.181754 | WT% | XRF | |
| MNO | 0.0807798 | WT% | XRF | |
| LOI | 0.96 | WT% | XRF | |
| TOTAL | 99.45 | WT% | XRF | |
| ZN | 38 | PPM | XRF | |
| RB | 151 | PPM | XRF | |
| SR | 84 | PPM | XRF | |
| Y | 25 | PPM | XRF | |
| ZR | 188 | PPM | XRF | |
| NB | 18 | PPM | XRF | |
| PB | 24 | PPM | XRF | |
| TH | 18 | PPM | XRF | |
| BA | 455 | PPM | XRF | |
| LA | 60 | PPM | XRF | |
| CE | 102 | PPM | XRF | |
| ND | 37 | PPM | XRF | |
| CU | 5 | PPM | XRF | |
| V | 18 | PPM | XRF | |
| U | 5 | PPM | XRF | |
| CR | -3 | PPM | XRF | |
| CS | 7 | PPM | XRF | |
| GA | 15 | PPM | XRF | |
| NI | 6 | PPM | XRF |