Sample JH9
NavDat sample number 37514 · ANDESITE
Sample
| Sample ID | JH9 |
|---|---|
| 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 | 43.4669 |
|---|---|
| Longitude | -110.799 |
| Location | outcrop SW of summit of Haystack 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 | 56.96 | WT% | XRF | |
| AL2O3 | 17.33 | WT% | XRF | |
| TIO2 | 0.633 | WT% | XRF | |
| FEOT | 6.13 | WT% | XRF | |
| MNO | 0.098 | WT% | XRF | |
| CAO | 8.09 | WT% | XRF | |
| MGO | 5.51 | WT% | XRF | |
| K2O | 0.99 | WT% | XRF | |
| NA2O | 3.24 | WT% | XRF | |
| P2O5 | 0.213 | WT% | XRF | |
| NI | 107 | PPM | XRF | |
| CR | 243 | PPM | XRF | |
| SC | 19 | PPM | XRF | |
| V | 104 | PPM | XRF | |
| BA | 1101 | PPM | XRF | |
| RB | 16 | PPM | XRF | |
| SR | 474 | PPM | XRF | |
| ZR | 138 | PPM | XRF | |
| Y | 23 | PPM | XRF | |
| NB | 9.9 | PPM | XRF | |
| GA | 16 | PPM | XRF | |
| CU | 37 | PPM | XRF | |
| ZN | 70 | PPM | XRF | |
| PB | 11 | PPM | XRF | |
| LA | 32 | PPM | XRF | |
| CE | 76 | PPM | XRF | |
| TH | 6 | PPM | XRF |