Sample LR89-010B
NavDat sample number 30157 · RHYOLITE
Sample
| Sample ID | LR89-010B |
|---|---|
| Rock name | RHYOLITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
Location
| Latitude | 37.5981 |
|---|---|
| Longitude | -107.035 |
| Location | Middle Fork |
| 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 | 70.33 | WT% | XRF | |
| TIO2 | 0.24 | WT% | XRF | |
| AL2O3 | 16.98 | WT% | XRF | |
| FE2O3 | 1.87 | WT% | XRF | |
| MGO | 0.71 | WT% | XRF | |
| CAO | 1.15 | WT% | XRF | |
| NA2O | 2.23 | WT% | XRF | |
| K2O | 6.38 | WT% | XRF | |
| P2O5 | 0.03 | WT% | XRF | |
| MNO | 0.04 | WT% | XRF | |
| LOI | 5.32 | WT% | XRF | |
| TOTAL | 99.97 | WT% | XRF | |
| ZN | 50 | PPM | XRF | |
| RB | 170 | PPM | XRF | |
| SR | 144 | PPM | XRF | |
| Y | 22 | PPM | XRF | |
| ZR | 340 | PPM | XRF | |
| NB | 14 | PPM | XRF | |
| PB | 30 | PPM | XRF | |
| TH | 25 | PPM | XRF | |
| BA | 1486 | PPM | XRF | |
| LA | 55 | PPM | XRF | |
| CE | 84 | PPM | XRF | |
| ND | 35 | PPM | XRF |