Sample LR89-010C
NavDat sample number 30158 · DACITE
Sample
| Sample ID | LR89-010C |
|---|---|
| Rock name | DACITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
Location
| Latitude | 37.5981 |
|---|---|
| Longitude | -107.035 |
| Location | Middle Fork |
| State / province | COLORADO |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 27.35 | 27.25 | 27.45 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 68.57 | WT% | XRF | |
| TIO2 | 0.3 | WT% | XRF | |
| AL2O3 | 17.93 | WT% | XRF | |
| FE2O3 | 2.39 | WT% | XRF | |
| MGO | 0.74 | WT% | XRF | |
| CAO | 1.15 | WT% | XRF | |
| NA2O | 2.62 | WT% | XRF | |
| K2O | 6.27 | WT% | XRF | |
| P2O5 | 0.07 | WT% | XRF | |
| MNO | 0.08 | WT% | XRF | |
| LOI | 4.12 | WT% | XRF | |
| TOTAL | 100.12 | WT% | XRF | |
| ZN | 89 | PPM | XRF | |
| RB | 192 | PPM | XRF | |
| SR | 311 | PPM | XRF | |
| Y | 25 | PPM | XRF | |
| ZR | 441 | PPM | XRF | |
| NB | 14 | PPM | XRF | |
| PB | 31 | PPM | XRF | |
| TH | 9 | PPM | XRF | |
| BA | 3520 | PPM | XRF | |
| LA | 61 | PPM | XRF | |
| CE | 88 | PPM | XRF | |
| ND | 21 | PPM | XRF |