Sample LR88-628
NavDat sample number 30180 · ANDESITE
Sample
| Sample ID | LR88-628 |
|---|---|
| Rock name | ANDESITE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
Location
| Latitude | 37.7175 |
|---|---|
| Longitude | -107.235 |
| 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 | 53.18 | WT% | XRF | |
| TIO2 | 1.4 | WT% | XRF | |
| AL2O3 | 15.59 | WT% | XRF | |
| FE2O3 | 11.61 | WT% | XRF | |
| MGO | 4.35 | WT% | XRF | |
| CAO | 7.46 | WT% | XRF | |
| NA2O | 2.92 | WT% | XRF | |
| K2O | 2.55 | WT% | XRF | |
| P2O5 | 0.59 | WT% | XRF | |
| MNO | 0.16 | WT% | XRF | |
| LOI | 1.83 | WT% | XRF | |
| TOTAL | 99.8 | WT% | XRF | |
| ZN | 147 | PPM | XRF | |
| RB | 60 | PPM | XRF | |
| SR | 512 | PPM | XRF | |
| Y | 38 | PPM | XRF | |
| ZR | 239.5 | PPM | XRF | |
| NB | 15 | PPM | XRF | |
| PB | 61.5 | PPM | XRF | |
| TH | 15 | PPM | XRF | |
| BA | 689 | PPM | XRF | |
| LA | 43 | PPM | XRF | |
| CE | 78 | PPM | XRF | |
| ND | 44 | PPM | XRF |