Sample JH617
NavDat sample number 37512 · ANDESITE
Sample
| Sample ID | JH617 |
|---|---|
| Rock name | ANDESITE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
| Comment | phenocrysts of olivine, commonly replaced with opx, and augite; groundmass of plagioclase laths and microlites; trachytic texture |
Location
| Latitude | 43.5075 |
|---|---|
| Longitude | -110.809 |
| Location | outcrop on west side of West Gros Ventre Butte |
| State / province | Wyoming |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 6 | 3 | 10 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 56.48 | WT% | XRF | |
| AL2O3 | 16.99 | WT% | XRF | |
| TIO2 | 0.635 | WT% | XRF | |
| FEOT | 6.85 | WT% | XRF | |
| MNO | 0.108 | WT% | XRF | |
| CAO | 8.35 | WT% | XRF | |
| MGO | 6.37 | WT% | XRF | |
| K2O | 0.92 | WT% | XRF | |
| NA2O | 2.8 | WT% | XRF | |
| P2O5 | 0.132 | WT% | XRF | |
| NI | 135 | PPM | XRF | |
| CR | 315 | PPM | XRF | |
| SC | 25 | PPM | XRF | |
| V | 138 | PPM | XRF | |
| BA | 492 | PPM | XRF | |
| RB | 17 | PPM | XRF | |
| SR | 286 | PPM | XRF | |
| ZR | 106 | PPM | XRF | |
| Y | 20 | PPM | XRF | |
| NB | 4.9 | PPM | XRF | |
| GA | 19 | PPM | XRF | |
| CU | 47 | PPM | XRF | |
| ZN | 69 | PPM | XRF | |
| PB | 5 | PPM | XRF | |
| LA | 17 | PPM | XRF | |
| CE | 59 | PPM | XRF | |
| TH | 2 | PPM | XRF |