Sample 434
NavDat sample number 48702 · ANDESITE
Sample
| Sample ID | 434 |
|---|---|
| Alternate ID | 98-UNION-630 |
| Rock name | ANDESITE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
| Comment | Tholeiite |
Location
| Latitude | 45.2079 |
|---|---|
| Longitude | -117.865 |
| State / province | Oregon |
| Volcanic field | Powder River |
| Formation | Glass Hill Volcanic Group |
| Elevation | 655 |
| Location comment | Powder River Volcanic Field |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 14.55 | 5.3 | 23.8 | Miocene |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 60.26 | WT% | XRF | |
| AL2O3 | 16.82 | WT% | XRF | |
| TIO2 | 0.964 | WT% | XRF | |
| FEOT | 6 | WT% | XRF | |
| MNO | 0.121 | WT% | XRF | |
| CAO | 6.33 | WT% | XRF | |
| MGO | 3.42 | WT% | XRF | |
| K2O | 1.53 | WT% | XRF | |
| NA2O | 4.09 | WT% | XRF | |
| P2O5 | 0.465 | WT% | XRF | |
| TOTAL | 99.51 | WT% | XRF | |
| NI | 39 | PPM | XRF | |
| CR | 74 | PPM | XRF | |
| SC | 19 | PPM | XRF | |
| V | 138 | PPM | XRF | |
| BA | 600 | PPM | XRF | |
| RB | 21 | PPM | XRF | |
| SR | 596 | PPM | XRF | |
| ZR | 160 | PPM | XRF | |
| Y | 22 | PPM | XRF | |
| NB | 13.3 | PPM | XRF | |
| GA | 19 | PPM | XRF | |
| CU | 39 | PPM | XRF | |
| ZN | 83 | PPM | XRF | |
| PB | 5 | PPM | XRF | |
| LA | 26 | PPM | XRF | |
| CE | 62 | PPM | XRF | |
| TH | 2 | PPM | XRF |