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Sample JH1
NavDat sample number 37511 · BASALTIC-ANDESITE
Sample
| Sample ID | JH1 |
|---|
| 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 | 43.5417 |
|---|
| Longitude | -110.947 |
|---|
| Location | base of cliff, head of Middle Fork of Phillips Creek |
|---|
| 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 | 55.12 | | WT% | XRF |
| AL2O3 | 16.76 | | WT% | XRF |
| TIO2 | 0.633 | | WT% | XRF |
| FEOT | 6.73 | | WT% | XRF |
| MNO | 0.122 | | WT% | XRF |
| CAO | 8.62 | | WT% | XRF |
| MGO | 7.95 | | WT% | XRF |
| K2O | 0.73 | | WT% | XRF |
| NA2O | 2.84 | | WT% | XRF |
| P2O5 | 0.181 | | WT% | XRF |
| NI | 180 | | PPM | XRF |
| CR | 540 | | PPM | XRF |
| SC | 28 | | PPM | XRF |
| V | 132 | | PPM | XRF |
| BA | 555 | | PPM | XRF |
| RB | 12 | | PPM | XRF |
| SR | 465 | | PPM | XRF |
| ZR | 108 | | PPM | XRF |
| Y | 18 | | PPM | XRF |
| NB | 8.9 | | PPM | XRF |
| GA | 18 | | PPM | XRF |
| CU | 36 | | PPM | XRF |
| ZN | 75 | | PPM | XRF |
| PB | 5 | | PPM | XRF |
| LA | 25 | | PPM | XRF |
| CE | 55 | | PPM | XRF |
| TH | 4 | | PPM | XRF |
| SR87_SR86 | 0.706491 | | | MS |
| ND143_ND144 | 0.511675 | | | MS |
| PB208_PB204 | 38.322 | | | MS |
| PB207_PB204 | 15.466 | | | MS |
| PB206_PB204 | 17.069 | | | MS |
