Sample LR88-629
NavDat sample number 30181 · ANDESITE
Sample
| Sample ID | LR88-629 |
|---|---|
| Rock name | ANDESITE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
Location
| Latitude | 37.7172 |
|---|---|
| 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 | 55.84 | WT% | XRF | |
| TIO2 | 1.02 | WT% | XRF | |
| AL2O3 | 18.49 | WT% | XRF | |
| FE2O3 | 8.05 | WT% | XRF | |
| MGO | 2.27 | WT% | XRF | |
| CAO | 7.23 | WT% | XRF | |
| NA2O | 3.46 | WT% | XRF | |
| K2O | 2.51 | WT% | XRF | |
| P2O5 | 0.45 | WT% | XRF | |
| MNO | 0.1 | WT% | XRF | |
| LOI | 0.45 | WT% | XRF | |
| TOTAL | 99.43 | WT% | XRF | |
| ZN | 83 | PPM | XRF | |
| RB | 60 | PPM | XRF | |
| SR | 616 | PPM | XRF | |
| Y | 33 | PPM | XRF | |
| ZR | 209 | PPM | XRF | |
| NB | 13 | PPM | XRF | |
| PB | 43 | PPM | XRF | |
| TH | 9 | PPM | XRF | |
| BA | 721 | PPM | XRF | |
| LA | 34 | PPM | XRF | |
| CE | 75 | PPM | XRF | |
| ND | 45 | PPM | XRF |