Sample 87-130
NavDat sample number 16962 · PYROCLASTIC-FLOW
Sample
| Sample ID | 87-130 |
|---|---|
| Rock name | PYROCLASTIC-FLOW |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
Location
| Latitude | 37.746 |
|---|---|
| Longitude | -106.749 |
| Location | Palisades, north of Rio Grande, 8660' |
| 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 | 69.1642 | WT% | XRF | |
| TIO2 | 0.61452 | WT% | XRF | |
| AL2O3 | 16.2745 | WT% | XRF | |
| FE2O3 | 3.09308 | WT% | XRF | |
| MGO | 2.03816 | WT% | XRF | |
| CAO | 3.11357 | WT% | XRF | |
| NA2O | 3.04187 | WT% | XRF | |
| K2O | 4.75229 | WT% | XRF | |
| P2O5 | 0.245808 | WT% | XRF | |
| MNO | 0.081936 | WT% | XRF | |
| LOI | 3.53 | WT% | XRF | |
| TOTAL | 102.42 | WT% | XRF | |
| ZN | 50 | PPM | XRF | |
| RB | 175 | PPM | XRF | |
| SR | 479 | PPM | XRF | |
| Y | 29 | PPM | XRF | |
| ZR | 252 | PPM | XRF | |
| BA | 1099 | PPM | XRF | |
| LA | 55 | PPM | XRF | |
| CE | 92 | PPM | XRF | |
| CU | 18 | PPM | XRF | |
| V | 44 | PPM | XRF | |
| TH | 14.6 | PPM | INAA | |
| U | 4.1 | PPM | INAA | |
| LA | 52 | PPM | INAA | |
| CE | 97.5 | PPM | INAA | |
| ND | 28.7 | PPM | INAA | |
| SM | 7.84 | PPM | INAA | |
| EU | 1.41 | PPM | INAA | |
| GD | 7.4 | PPM | INAA | |
| TB | 0.8 | PPM | INAA | |
| YB | 3.18 | PPM | INAA | |
| LU | 0.4 | PPM | INAA | |
| TA | 1.31 | PPM | INAA | |
| HF | 4.61 | PPM | INAA | |
| SC | 8.2 | PPM | INAA |