Sample LR89-027pum
NavDat sample number 30193 · RHYOLITE
Sample
| Sample ID | LR89-027pum |
|---|---|
| Rock name | RHYOLITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
Location
| Latitude | 37.7753 |
|---|---|
| Longitude | -107.411 |
| Location | Pole Creek Mtn. |
| 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 | 74.13 | WT% | XRF | |
| TIO2 | 0.23 | WT% | XRF | |
| AL2O3 | 14.73 | WT% | XRF | |
| FE2O3 | 1.26 | WT% | XRF | |
| MGO | 0.48 | WT% | XRF | |
| CAO | 0.74 | WT% | XRF | |
| NA2O | 2.59 | WT% | XRF | |
| K2O | 5.87 | WT% | XRF | |
| P2O5 | 0.04 | WT% | XRF | |
| MNO | 0.07 | WT% | XRF | |
| LOI | 1.4 | WT% | XRF | |
| TOTAL | 100.13 | WT% | XRF | |
| ZN | 25 | PPM | XRF | |
| RB | 130 | PPM | XRF | |
| SR | 118 | PPM | XRF | |
| Y | 30 | PPM | XRF | |
| ZR | 180 | PPM | XRF | |
| NB | 23 | PPM | XRF | |
| PB | 30 | PPM | XRF | |
| TH | 39 | PPM | XRF | |
| BA | 814 | PPM | XRF | |
| LA | 69 | PPM | XRF | |
| CE | 122 | PPM | XRF | |
| ND | 39 | PPM | XRF |