Sample LR88-559
NavDat sample number 30199 · ANDESITE
Sample
| Sample ID | LR88-559 |
|---|---|
| Rock name | ANDESITE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
Location
| Latitude | 37.8258 |
|---|---|
| Longitude | -107.113 |
| Location | Santa Maria Reservoir area |
| State / province | COLORADO |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 31.25 | 29.5 | 33 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 58.2 | WT% | XRF | |
| TIO2 | 1.05 | WT% | XRF | |
| AL2O3 | 15.67 | WT% | XRF | |
| FE2O3 | 7.94 | WT% | XRF | |
| MGO | 3.19 | WT% | XRF | |
| CAO | 6.26 | WT% | XRF | |
| NA2O | 3.24 | WT% | XRF | |
| K2O | 3.46 | WT% | XRF | |
| P2O5 | 0.47 | WT% | XRF | |
| MNO | 0.15 | WT% | XRF | |
| LOI | 0.61 | WT% | XRF | |
| TOTAL | 99.62 | WT% | XRF | |
| ZN | 117 | PPM | XRF | |
| RB | 119 | PPM | XRF | |
| SR | 536 | PPM | XRF | |
| Y | 34 | PPM | XRF | |
| ZR | 372 | PPM | XRF | |
| NB | 21 | PPM | XRF | |
| PB | 61 | PPM | XRF | |
| TH | 21 | PPM | XRF | |
| BA | 903 | PPM | XRF | |
| LA | 58 | PPM | XRF | |
| CE | 115 | PPM | XRF | |
| ND | 49 | PPM | XRF |