Sample 228
NavDat sample number 65959 · ANDESITE
Sample
| Sample ID | 228 |
|---|---|
| Alternate ID | 98-LG-165 |
| Rock name | ANDESITE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
| Comment | Basaltic Andesite |
Location
| Latitude | 45.4198 |
|---|---|
| Longitude | -118.222 |
| State / province | Oregon |
| Formation | Grande Ronde Basalt |
| Elevation | 1256 |
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 | 59.73 | WT% | XRF | |
| AL2O3 | 13.15 | WT% | XRF | |
| TIO2 | 1.939 | WT% | XRF | |
| FEOT | 11.32 | WT% | XRF | |
| MNO | 0.224 | WT% | XRF | |
| CAO | 5.22 | WT% | XRF | |
| MGO | 1.57 | WT% | XRF | |
| K2O | 2.33 | WT% | XRF | |
| NA2O | 3.73 | WT% | XRF | |
| P2O5 | 0.78 | WT% | XRF | |
| TOTAL | 98.67 | WT% | XRF | |
| CR | 4 | PPM | XRF | |
| SC | 25 | PPM | XRF | |
| V | 70 | PPM | XRF | |
| BA | 961 | PPM | XRF | |
| RB | 70 | PPM | XRF | |
| SR | 314 | PPM | XRF | |
| ZR | 242 | PPM | XRF | |
| Y | 57 | PPM | XRF | |
| NB | 19.1 | PPM | XRF | |
| GA | 23 | PPM | XRF | |
| ZN | 142 | PPM | XRF | |
| PB | 9 | PPM | XRF | |
| LA | 26 | PPM | XRF | |
| CE | 76 | PPM | XRF | |
| TH | 8 | PPM | XRF |