Sample LR88-588Cpum
NavDat sample number 30156 · PYROCLASTIC-FALL
Sample
| Sample ID | LR88-588Cpum |
|---|---|
| Rock name | PYROCLASTIC-FALL |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
Location
| Latitude | 37.5597 |
|---|---|
| Longitude | -106.686 |
| Location | Ribbon Mesa |
| State / province | COLORADO |
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 | 67.2 | WT% | XRF | |
| TIO2 | 0.3 | WT% | XRF | |
| AL2O3 | 16.83 | WT% | XRF | |
| FE2O3 | 2.45 | WT% | XRF | |
| MGO | 0.51 | WT% | XRF | |
| CAO | 1.6 | WT% | XRF | |
| NA2O | 4.07 | WT% | XRF | |
| K2O | 5.79 | WT% | XRF | |
| P2O5 | 0.1 | WT% | XRF | |
| MNO | 0.04 | WT% | XRF | |
| LOI | 0.55 | WT% | XRF | |
| TOTAL | 98.91 | WT% | XRF | |
| ZN | 72 | PPM | XRF | |
| RB | 108 | PPM | XRF | |
| SR | 403 | PPM | XRF | |
| Y | 22 | PPM | XRF | |
| ZR | 493 | PPM | XRF | |
| NB | 11 | PPM | XRF | |
| PB | 30 | PPM | XRF | |
| TH | 18 | PPM | XRF | |
| BA | 4772 | PPM | XRF | |
| LA | 52 | PPM | XRF | |
| CE | 85 | PPM | XRF | |
| ND | 16 | PPM | XRF |