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Sample JH5
NavDat sample number 37509 · BASALTIC-ANDESITE
Sample
| Sample ID | JH5 |
|---|
| Rock name | BASALTIC-ANDESITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | INTERMEDIATE |
|---|
| Material | IGNEOUS |
|---|
| Comment | rich in phenocrysts, consisting of olivine, augite, and bytownite; trachytic to pilotaxitic groundmass of plagioclase laths and microlites |
|---|
Location
| Latitude | 43.4814 |
|---|
| Longitude | -110.781 |
|---|
| Location | outcrop on summit of south end of East Gros Ventre Butte |
|---|
| State / province | Wyoming |
|---|
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 8.1 |
|
7.2 |
9 |
|
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|
| SIO2 | 54.33 | | WT% | XRF |
| AL2O3 | 16.12 | | WT% | XRF |
| TIO2 | 0.594 | | WT% | XRF |
| FEOT | 6.79 | | WT% | XRF |
| MNO | 0.119 | | WT% | XRF |
| CAO | 9.1 | | WT% | XRF |
| MGO | 8.73 | | WT% | XRF |
| K2O | 0.83 | | WT% | XRF |
| NA2O | 2.75 | | WT% | XRF |
| P2O5 | 0.218 | | WT% | XRF |
| NI | 204 | | PPM | XRF |
| CR | 551 | | PPM | XRF |
| SC | 18 | | PPM | XRF |
| V | 137 | | PPM | XRF |
| BA | 662 | | PPM | XRF |
| RB | 11 | | PPM | XRF |
| SR | 510 | | PPM | XRF |
| ZR | 121 | | PPM | XRF |
| Y | 18 | | PPM | XRF |
| NB | 7.1 | | PPM | XRF |
| GA | 19 | | PPM | XRF |
| CU | 32 | | PPM | XRF |
| ZN | 71 | | PPM | XRF |
| PB | 6 | | PPM | XRF |
| LA | 41 | | PPM | XRF |
| CE | 67 | | PPM | XRF |
| TH | 2 | | PPM | XRF |
| SR87_SR86 | 0.706102 | | | MS |
| ND143_ND144 | 0.511575 | | | MS |
| PB208_PB204 | 37.769 | | | MS |
| PB207_PB204 | 15.476 | | | MS |
| PB206_PB204 | 16.913 | | | MS |
