Sample 87-129
NavDat sample number 16961 · PYROCLASTIC-FLOW
Sample
| Sample ID | 87-129 |
|---|---|
| Rock name | PYROCLASTIC-FLOW |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
Location
| Latitude | 37.746 |
|---|---|
| Longitude | -106.749 |
| Location | Palisades, north of Rio Grande, 8770' |
| 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 | 66.259 | WT% | XRF | |
| TIO2 | 0.679112 | WT% | XRF | |
| AL2O3 | 16.8764 | WT% | XRF | |
| FE2O3 | 3.34488 | WT% | XRF | |
| MGO | 2.09815 | WT% | XRF | |
| CAO | 3.50706 | WT% | XRF | |
| NA2O | 3.64896 | WT% | XRF | |
| K2O | 4.59161 | WT% | XRF | |
| P2O5 | 0.283808 | WT% | XRF | |
| MNO | 0.070952 | WT% | XRF | |
| LOI | 1.52 | WT% | XRF | |
| TOTAL | 101.36 | WT% | XRF | |
| ZN | 55 | PPM | XRF | |
| RB | 134 | PPM | XRF | |
| SR | 463 | PPM | XRF | |
| Y | 30 | PPM | XRF | |
| ZR | 256 | PPM | XRF | |
| BA | 1212 | PPM | XRF | |
| LA | 47 | PPM | XRF | |
| CE | 77 | PPM | XRF | |
| CU | 15 | PPM | XRF | |
| V | 43 | PPM | XRF | |
| TH | 14.41 | PPM | INAA | |
| U | 4.5 | PPM | INAA | |
| LA | 53.1 | PPM | INAA | |
| CE | 94.1 | PPM | INAA | |
| ND | 34.5 | PPM | INAA | |
| SM | 7.84 | PPM | INAA | |
| EU | 1.64 | PPM | INAA | |
| GD | 7.5 | PPM | INAA | |
| TB | 0.85 | PPM | INAA | |
| YB | 2.89 | PPM | INAA | |
| LU | 0.35 | PPM | INAA | |
| TA | 1.16 | PPM | INAA | |
| HF | 4.7 | PPM | INAA | |
| SC | 7.9 | PPM | INAA |