Sample LR89-030
NavDat sample number 30194 · RHYOLITE
Sample
| Sample ID | LR89-030 |
|---|---|
| Rock name | RHYOLITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
Location
| Latitude | 37.7733 |
|---|---|
| Longitude | -107.24 |
| Location | Pole Creek Mtn. |
| State / province | COLORADO |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 28.67 | 28.63 | 28.68 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 69.57 | WT% | XRF | |
| TIO2 | 0.49 | WT% | XRF | |
| AL2O3 | 15.49 | WT% | XRF | |
| FE2O3 | 3.42 | WT% | XRF | |
| MGO | 0.78 | WT% | XRF | |
| CAO | 2.2 | WT% | XRF | |
| NA2O | 4.44 | WT% | XRF | |
| K2O | 3.39 | WT% | XRF | |
| P2O5 | 0.13 | WT% | XRF | |
| MNO | 0.09 | WT% | XRF | |
| LOI | 3.52 | WT% | XRF | |
| TOTAL | 99.9 | WT% | XRF | |
| ZN | 77 | PPM | XRF | |
| RB | 165 | PPM | XRF | |
| SR | 373 | PPM | XRF | |
| Y | 36 | PPM | XRF | |
| ZR | 272 | PPM | XRF | |
| NB | 22 | PPM | XRF | |
| PB | 46 | PPM | XRF | |
| TH | 34 | PPM | XRF | |
| BA | 1066 | PPM | XRF | |
| LA | 57 | PPM | XRF | |
| CE | 105 | PPM | XRF | |
| ND | 40 | PPM | XRF |