Sample LR88-630
NavDat sample number 30182 · ANDESITE
Sample
| Sample ID | LR88-630 |
|---|---|
| Rock name | ANDESITE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
Location
| Latitude | 37.7158 |
|---|---|
| Longitude | -107.236 |
| Location | Little Squaw Ck. |
| State / province | COLORADO |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 27.71 | 27.62 | 27.8 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 55.54 | WT% | XRF | |
| TIO2 | 1.28 | WT% | XRF | |
| AL2O3 | 17.29 | WT% | XRF | |
| FE2O3 | 9.43 | WT% | XRF | |
| MGO | 2.57 | WT% | XRF | |
| CAO | 6.06 | WT% | XRF | |
| NA2O | 3.37 | WT% | XRF | |
| K2O | 3.5 | WT% | XRF | |
| P2O5 | 0.25 | WT% | XRF | |
| MNO | 0.1 | WT% | XRF | |
| LOI | 0.56 | WT% | XRF | |
| TOTAL | 99.4 | WT% | XRF | |
| ZN | 144 | PPM | XRF | |
| RB | 77 | PPM | XRF | |
| SR | 615 | PPM | XRF | |
| Y | 36 | PPM | XRF | |
| ZR | 238 | PPM | XRF | |
| NB | 20 | PPM | XRF | |
| PB | 70 | PPM | XRF | |
| TH | 9 | PPM | XRF | |
| BA | 824 | PPM | XRF | |
| LA | 46 | PPM | XRF | |
| CE | 90 | PPM | XRF | |
| ND | 50 | PPM | XRF |