Sample LR88-634
NavDat sample number 30151 · PYROCLASTIC-FLOW
Sample
| Sample ID | LR88-634 |
|---|---|
| Rock name | PYROCLASTIC-FLOW |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
Location
| Latitude | 37.7489 |
|---|---|
| Longitude | -106.748 |
| Location | Palisades, north of Rio Grande, 8800' |
| State / province | COLORADO |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 27.2 | 27.1 | 27.3 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 64.23 | WT% | XRF | |
| TIO2 | 0.67 | WT% | XRF | |
| AL2O3 | 16.59 | WT% | XRF | |
| FE2O3 | 4.98 | WT% | XRF | |
| MGO | 1.71 | WT% | XRF | |
| CAO | 3.75 | WT% | XRF | |
| NA2O | 3.5 | WT% | XRF | |
| K2O | 4.12 | WT% | XRF | |
| P2O5 | 0.22 | WT% | XRF | |
| MNO | 0.1 | WT% | XRF | |
| LOI | 1.7 | WT% | XRF | |
| TOTAL | 99.89 | WT% | XRF | |
| ZN | 71 | PPM | XRF | |
| RB | 115 | PPM | XRF | |
| SR | 541 | PPM | XRF | |
| Y | 27 | PPM | XRF | |
| ZR | 279 | PPM | XRF | |
| NB | 15 | PPM | XRF | |
| PB | 32 | PPM | XRF | |
| TH | 9 | PPM | XRF | |
| BA | 1175 | PPM | XRF | |
| LA | 55 | PPM | XRF | |
| CE | 93 | PPM | XRF | |
| ND | 43 | PPM | XRF |