Sample 479
NavDat sample number 48713 · ANDESITE
Sample
| Sample ID | 479 |
|---|---|
| Alternate ID | 98-MAD-232 |
| Rock name | ANDESITE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
| Comment | Calc_alkaline |
Location
| Latitude | 45.1853 |
|---|---|
| Longitude | -117.986 |
| State / province | Oregon |
| Volcanic field | Powder River |
| Formation | Glass Hill Volcanic Group |
| Elevation | 1116 |
| 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 | 62.77 | WT% | XRF | |
| AL2O3 | 16.6 | WT% | XRF | |
| TIO2 | 0.895 | WT% | XRF | |
| FEOT | 4.88 | WT% | XRF | |
| MNO | 0.088 | WT% | XRF | |
| CAO | 5.72 | WT% | XRF | |
| MGO | 2.43 | WT% | XRF | |
| K2O | 1.71 | WT% | XRF | |
| NA2O | 4.5 | WT% | XRF | |
| P2O5 | 0.409 | WT% | XRF | |
| NI | 30 | PPM | XRF | |
| CR | 56 | PPM | XRF | |
| SC | 10 | PPM | XRF | |
| V | 114 | PPM | XRF | |
| BA | 624 | PPM | XRF | |
| RB | 24 | PPM | XRF | |
| SR | 789 | PPM | XRF | |
| ZR | 168 | PPM | XRF | |
| Y | 17 | PPM | XRF | |
| NB | 14.4 | PPM | XRF | |
| GA | 19 | PPM | XRF | |
| CU | 14 | PPM | XRF | |
| ZN | 76 | PPM | XRF | |
| PB | 6 | PPM | XRF | |
| LA | 20 | PPM | XRF | |
| CE | 64 | PPM | XRF | |
| TH | 1 | PPM | XRF |