Sample 369
NavDat sample number 48692 · ANDESITE
Sample
| Sample ID | 369 |
|---|---|
| Alternate ID | 97-CC-78 |
| Rock name | ANDESITE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
| Comment | Tholeiite |
Location
| Latitude | 45.283 |
|---|---|
| Longitude | -117.836 |
| State / province | Oregon |
| Volcanic field | Powder River |
| Formation | Glass Hill Volcanic Group |
| Elevation | 933 |
| 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 | 62.46 | WT% | XRF | |
| AL2O3 | 17.18 | WT% | XRF | |
| TIO2 | 0.892 | WT% | XRF | |
| FEOT | 5.26 | WT% | XRF | |
| MNO | 0.084 | WT% | XRF | |
| CAO | 5.71 | WT% | XRF | |
| MGO | 1.71 | WT% | XRF | |
| K2O | 1.74 | WT% | XRF | |
| NA2O | 4.52 | WT% | XRF | |
| P2O5 | 0.443 | WT% | XRF | |
| TOTAL | 98.91 | WT% | XRF | |
| NI | 27 | PPM | XRF | |
| CR | 56 | PPM | XRF | |
| SC | 13 | PPM | XRF | |
| V | 117 | PPM | XRF | |
| BA | 773 | PPM | XRF | |
| RB | 25 | PPM | XRF | |
| SR | 887 | PPM | XRF | |
| ZR | 162 | PPM | XRF | |
| Y | 20 | PPM | XRF | |
| NB | 15.9 | PPM | XRF | |
| GA | 20 | PPM | XRF | |
| CU | 20 | PPM | XRF | |
| ZN | 70 | PPM | XRF | |
| PB | 2 | PPM | XRF | |
| LA | 49 | PPM | XRF | |
| CE | 48 | PPM | XRF | |
| TH | 3 | PPM | XRF |