Sample LR88-588Apum
NavDat sample number 30154 · PYROCLASTIC-FALL
Sample
| Sample ID | LR88-588Apum |
|---|---|
| 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 | 66.6 | WT% | XRF | |
| TIO2 | 0.3 | WT% | XRF | |
| AL2O3 | 16.04 | WT% | XRF | |
| FE2O3 | 2.21 | WT% | XRF | |
| MGO | 0.51 | WT% | XRF | |
| CAO | 1.7 | WT% | XRF | |
| NA2O | 4.27 | WT% | XRF | |
| K2O | 5.48 | WT% | XRF | |
| P2O5 | 0.11 | WT% | XRF | |
| MNO | 0.03 | WT% | XRF | |
| LOI | 0.87 | WT% | XRF | |
| TOTAL | 97.25 | WT% | XRF | |
| ZN | 69 | PPM | XRF | |
| RB | 104 | PPM | XRF | |
| SR | 496 | PPM | XRF | |
| Y | 23 | PPM | XRF | |
| ZR | 542 | PPM | XRF | |
| NB | 10 | PPM | XRF | |
| PB | 35 | PPM | XRF | |
| TH | 9 | PPM | XRF | |
| BA | 5848 | PPM | XRF | |
| LA | 62 | PPM | XRF | |
| CE | 84 | PPM | XRF | |
| ND | 29 | PPM | XRF |