Sample LR88-562
NavDat sample number 30189 · RHYOLITE
Sample
| Sample ID | LR88-562 |
|---|---|
| Rock name | RHYOLITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
Location
| Latitude | 37.8222 |
|---|---|
| Longitude | -107.116 |
| Location | Santa Maria Reservoir |
| State / province | COLORADO |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 28.19 | 28.11 | 28.29 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 75.59 | WT% | XRF | |
| TIO2 | 0.24 | WT% | XRF | |
| AL2O3 | 13.02 | WT% | XRF | |
| FE2O3 | 1.29 | WT% | XRF | |
| MGO | 0.2 | WT% | XRF | |
| CAO | 0.71 | WT% | XRF | |
| NA2O | 3.25 | WT% | XRF | |
| K2O | 5.6 | WT% | XRF | |
| P2O5 | 0.04 | WT% | XRF | |
| MNO | 0.02 | WT% | XRF | |
| LOI | 0.45 | WT% | XRF | |
| TOTAL | 99.96 | WT% | XRF | |
| ZN | 50 | PPM | XRF | |
| RB | 158 | PPM | XRF | |
| SR | 117 | PPM | XRF | |
| Y | 28 | PPM | XRF | |
| ZR | 214 | PPM | XRF | |
| NB | 23 | PPM | XRF | |
| PB | 32 | PPM | XRF | |
| TH | 25 | PPM | XRF | |
| BA | 629 | PPM | XRF | |
| LA | 60 | PPM | XRF | |
| CE | 98 | PPM | XRF | |
| ND | 41 | PPM | XRF |