Sample LR89-005
NavDat sample number 30187 · RHYOLITE
Sample
| Sample ID | LR89-005 |
|---|---|
| Rock name | RHYOLITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
Location
| Latitude | 37.7158 |
|---|---|
| Longitude | -106.686 |
| Location | Top of section N of Masonic Park, 9340' |
| State / province | COLORADO |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 28.35 | 28.2 | 28.5 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 62.14 | WT% | XRF | |
| TIO2 | 0.77 | WT% | XRF | |
| AL2O3 | 16.1 | WT% | XRF | |
| FE2O3 | 6.73 | WT% | XRF | |
| MGO | 2 | WT% | XRF | |
| CAO | 4.64 | WT% | XRF | |
| NA2O | 3.52 | WT% | XRF | |
| K2O | 3.49 | WT% | XRF | |
| P2O5 | 0.3 | WT% | XRF | |
| MNO | 0.1 | WT% | XRF | |
| LOI | 0.41 | WT% | XRF | |
| TOTAL | 99.79 | WT% | XRF | |
| ZN | 103 | PPM | XRF | |
| RB | 101 | PPM | XRF | |
| SR | 564 | PPM | XRF | |
| Y | 28 | PPM | XRF | |
| ZR | 156 | PPM | XRF | |
| NB | 14 | PPM | XRF | |
| PB | 55 | PPM | XRF | |
| TH | 22 | PPM | XRF | |
| BA | 962 | PPM | XRF | |
| LA | 42 | PPM | XRF | |
| CE | 76 | PPM | XRF | |
| ND | 34 | PPM | XRF |