Sample LR88-538
NavDat sample number 30120 · DACITE
Sample
| Sample ID | LR88-538 |
|---|---|
| Rock name | DACITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
Location
| Latitude | 37.7883 |
|---|---|
| Longitude | -106.798 |
| Location | upper unit, SW of Mill Park |
| State / province | COLORADO |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 26.26 | 26.22 | 26.3 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 64.44 | WT% | XRF | |
| TIO2 | 0.64 | WT% | XRF | |
| AL2O3 | 15.69 | WT% | XRF | |
| FE2O3 | 5.19 | WT% | XRF | |
| MGO | 2.08 | WT% | XRF | |
| CAO | 4 | WT% | XRF | |
| NA2O | 3.54 | WT% | XRF | |
| K2O | 3.98 | WT% | XRF | |
| P2O5 | 0.25 | WT% | XRF | |
| MNO | 0.09 | WT% | XRF | |
| LOI | 1.81 | WT% | XRF | |
| TOTAL | 99.92 | WT% | XRF | |
| ZN | 95 | PPM | XRF | |
| RB | 107 | PPM | XRF | |
| SR | 610 | PPM | XRF | |
| Y | 24 | PPM | XRF | |
| ZR | 181 | PPM | XRF | |
| NB | 11 | PPM | XRF | |
| PB | 35 | PPM | XRF | |
| TH | 18 | PPM | XRF | |
| BA | 1065 | PPM | XRF | |
| LA | 43 | PPM | XRF | |
| CE | 80 | PPM | XRF | |
| ND | 29 | PPM | XRF |