Sample LR88-631
NavDat sample number 30183 · ANDESITE
Sample
| Sample ID | LR88-631 |
|---|---|
| Rock name | ANDESITE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
Location
| Latitude | 37.7167 |
|---|---|
| Longitude | -107.237 |
| 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 | 58.9 | WT% | XRF | |
| TIO2 | 1.21 | WT% | XRF | |
| AL2O3 | 16.11 | WT% | XRF | |
| FE2O3 | 8.2 | WT% | XRF | |
| MGO | 1.8 | WT% | XRF | |
| CAO | 4.85 | WT% | XRF | |
| NA2O | 3.71 | WT% | XRF | |
| K2O | 3.79 | WT% | XRF | |
| P2O5 | 0.59 | WT% | XRF | |
| MNO | 0.12 | WT% | XRF | |
| LOI | 0.42 | WT% | XRF | |
| TOTAL | 99.27 | WT% | XRF | |
| ZN | 103 | PPM | XRF | |
| RB | 97 | PPM | XRF | |
| SR | 497 | PPM | XRF | |
| Y | 46 | PPM | XRF | |
| ZR | 262 | PPM | XRF | |
| NB | 19 | PPM | XRF | |
| PB | 30 | PPM | XRF | |
| TH | 31 | PPM | XRF | |
| BA | 949 | PPM | XRF | |
| LA | 50 | PPM | XRF | |
| CE | 97 | PPM | XRF | |
| ND | 52 | PPM | XRF |