Sample LR88-560
NavDat sample number 30200 · ANDESITE
Sample
| Sample ID | LR88-560 |
|---|---|
| Rock name | ANDESITE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
Location
| Latitude | 37.8264 |
|---|---|
| Longitude | -107.116 |
| 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 | 58.33 | WT% | XRF | |
| TIO2 | 1.06 | WT% | XRF | |
| AL2O3 | 15.9 | WT% | XRF | |
| FE2O3 | 8.34 | WT% | XRF | |
| MGO | 3.24 | WT% | XRF | |
| CAO | 5.83 | WT% | XRF | |
| NA2O | 3.28 | WT% | XRF | |
| K2O | 3.45 | WT% | XRF | |
| P2O5 | 0.48 | WT% | XRF | |
| MNO | 0.11 | WT% | XRF | |
| LOI | 0.89 | WT% | XRF | |
| TOTAL | 100.03 | WT% | XRF | |
| ZN | 99 | PPM | XRF | |
| RB | 116 | PPM | XRF | |
| SR | 538 | PPM | XRF | |
| Y | 37 | PPM | XRF | |
| ZR | 363 | PPM | XRF | |
| NB | 21 | PPM | XRF | |
| PB | 51 | PPM | XRF | |
| TH | 25 | PPM | XRF | |
| BA | 930 | PPM | XRF | |
| LA | 64 | PPM | XRF | |
| CE | 122 | PPM | XRF | |
| ND | 58 | PPM | XRF |