Sample 87-131
NavDat sample number 16963 · PYROCLASTIC-FLOW
Sample
| Sample ID | 87-131 |
|---|---|
| Rock name | PYROCLASTIC-FLOW |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
Location
| Latitude | 37.746 |
|---|---|
| Longitude | -106.747 |
| Location | Palisades, north of Rio Grande, 8695' |
| 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 | 66.6139 | WT% | XRF | |
| TIO2 | 0.729793 | WT% | XRF | |
| AL2O3 | 16.7143 | WT% | XRF | |
| FE2O3 | 2.96985 | WT% | XRF | |
| MGO | 2.49346 | WT% | XRF | |
| CAO | 3.42597 | WT% | XRF | |
| NA2O | 3.2942 | WT% | XRF | |
| K2O | 4.74365 | WT% | XRF | |
| P2O5 | 0.283808 | WT% | XRF | |
| MNO | 0.0810881 | WT% | XRF | |
| LOI | 2.03 | WT% | XRF | |
| TOTAL | 101.35 | WT% | XRF | |
| ZN | 49 | PPM | XRF | |
| RB | 137 | PPM | XRF | |
| SR | 542 | PPM | XRF | |
| Y | 28 | PPM | XRF | |
| ZR | 250 | PPM | XRF | |
| BA | 1273 | PPM | XRF | |
| LA | 45 | PPM | XRF | |
| CE | 77 | PPM | XRF | |
| CU | 16 | PPM | XRF | |
| V | 41 | PPM | XRF | |
| TH | 13.2 | PPM | INAA | |
| U | 4.4 | PPM | INAA | |
| LA | 52.1 | PPM | INAA | |
| CE | 94.4 | PPM | INAA | |
| ND | 33.5 | PPM | INAA | |
| SM | 7.64 | PPM | INAA | |
| EU | 1.67 | PPM | INAA | |
| GD | 7.1 | PPM | INAA | |
| TB | 0.64 | PPM | INAA | |
| YB | 3.24 | PPM | INAA | |
| LU | 0.4 | PPM | INAA | |
| TA | 1.24 | PPM | INAA | |
| HF | 4.79 | PPM | INAA | |
| SC | 8.2 | PPM | INAA |