Sample LR89-022
NavDat sample number 30192 · RHYOLITE
Sample
| Sample ID | LR89-022 |
|---|---|
| Rock name | RHYOLITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
Location
| Latitude | 37.7714 |
|---|---|
| Longitude | -107.411 |
| Location | Pole Creek Mtn., 11,760' |
| State / province | COLORADO |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 28.5 | 28.33 | 28.79 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 74.75 | WT% | XRF | |
| TIO2 | 0.24 | WT% | XRF | |
| AL2O3 | 13.37 | WT% | XRF | |
| FE2O3 | 2.46 | WT% | XRF | |
| MGO | 0.41 | WT% | XRF | |
| CAO | 0.55 | WT% | XRF | |
| NA2O | 2.73 | WT% | XRF | |
| K2O | 5.44 | WT% | XRF | |
| P2O5 | 0.03 | WT% | XRF | |
| MNO | 0.05 | WT% | XRF | |
| LOI | 0.67 | WT% | XRF | |
| TOTAL | 100.03 | WT% | XRF | |
| ZN | 50 | PPM | XRF | |
| RB | 165 | PPM | XRF | |
| SR | 85 | PPM | XRF | |
| Y | 31 | PPM | XRF | |
| ZR | 200 | PPM | XRF | |
| NB | 22 | PPM | XRF | |
| PB | 37 | PPM | XRF | |
| TH | 49 | PPM | XRF | |
| BA | 558 | PPM | XRF | |
| LA | 65 | PPM | XRF | |
| CE | 103 | PPM | XRF | |
| ND | 38 | PPM | XRF |