Sample LR87-716-5
NavDat sample number 30139 · DACITE
Sample
| Sample ID | LR87-716-5 |
|---|---|
| Rock name | DACITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
Location
| Latitude | 37.8819 |
|---|---|
| Longitude | -106.965 |
| Location | West of lower Rat Creek Road |
| State / province | COLORADO |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 31.5 | 28 | 35 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 62.62 | WT% | XRF | |
| TIO2 | 0.69 | WT% | XRF | |
| AL2O3 | 16.15 | WT% | XRF | |
| FE2O3 | 5.81 | WT% | XRF | |
| MGO | 2.07 | WT% | XRF | |
| CAO | 4.19 | WT% | XRF | |
| NA2O | 3.46 | WT% | XRF | |
| K2O | 3.43 | WT% | XRF | |
| P2O5 | 0.29 | WT% | XRF | |
| MNO | 0.1 | WT% | XRF | |
| LOI | 1.51 | WT% | XRF | |
| TOTAL | 98.82 | WT% | XRF | |
| ZN | 72.7 | PPM | XRF | |
| RB | 111.33 | PPM | XRF | |
| SR | 615 | PPM | XRF | |
| Y | 26.67 | PPM | XRF | |
| ZR | 184 | PPM | XRF | |
| NB | 16.7 | PPM | XRF | |
| PB | 43.3 | PPM | XRF | |
| TH | 12 | PPM | XRF | |
| BA | 925 | PPM | XRF | |
| LA | 45 | PPM | XRF | |
| CE | 85 | PPM | XRF | |
| ND | 33 | PPM | XRF |