Sample LR88-565
NavDat sample number 30126 · ANDESITE
Sample
| Sample ID | LR88-565 |
|---|---|
| Rock name | ANDESITE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
| Comment | lava flow |
Location
| Latitude | 37.9494 |
|---|---|
| Longitude | -107.002 |
| Location | Top of 13,034' peak |
| State / province | COLORADO |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 26.5 | 26.1 | 26.9 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 60.7 | WT% | XRF | |
| TIO2 | 0.89 | WT% | XRF | |
| AL2O3 | 16.95 | WT% | XRF | |
| FE2O3 | 6.87 | WT% | XRF | |
| MGO | 2.08 | WT% | XRF | |
| CAO | 4.57 | WT% | XRF | |
| NA2O | 3.42 | WT% | XRF | |
| K2O | 3.62 | WT% | XRF | |
| P2O5 | 0.36 | WT% | XRF | |
| MNO | 0.09 | WT% | XRF | |
| LOI | 1.47 | WT% | XRF | |
| TOTAL | 99.55 | WT% | XRF | |
| ZN | 102 | PPM | XRF | |
| RB | 98 | PPM | XRF | |
| SR | 524 | PPM | XRF | |
| Y | 29 | PPM | XRF | |
| ZR | 224 | PPM | XRF | |
| NB | 10 | PPM | XRF | |
| PB | 37 | PPM | XRF | |
| TH | 18 | PPM | XRF | |
| BA | 1010 | PPM | XRF | |
| LA | 47 | PPM | XRF | |
| CE | 94 | PPM | XRF | |
| ND | 42 | PPM | XRF |