Sample 318
NavDat sample number 48675 · ANDESITE
Sample
| Sample ID | 318 |
|---|---|
| Alternate ID | 98-MAD-210 |
| Rock name | ANDESITE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
| Comment | Tholeiite |
Location
| Latitude | 45.3376 |
|---|---|
| Longitude | -118.117 |
| State / province | Oregon |
| Formation | Grande Ronde Basalt |
| Elevation | 1073 |
| Location comment | Columbia River Basalt |
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 | 60.31 | WT% | XRF | |
| AL2O3 | 13.38 | WT% | XRF | |
| TIO2 | 1.987 | WT% | XRF | |
| FEOT | 11.18 | WT% | XRF | |
| MNO | 0.162 | WT% | XRF | |
| CAO | 4.76 | WT% | XRF | |
| MGO | 1.12 | WT% | XRF | |
| K2O | 2.33 | WT% | XRF | |
| NA2O | 3.97 | WT% | XRF | |
| P2O5 | 0.801 | WT% | XRF | |
| CR | 3 | PPM | XRF | |
| SC | 24 | PPM | XRF | |
| V | 66 | PPM | XRF | |
| BA | 945 | PPM | XRF | |
| RB | 58 | PPM | XRF | |
| SR | 311 | PPM | XRF | |
| ZR | 242 | PPM | XRF | |
| Y | 52 | PPM | XRF | |
| NB | 20.1 | PPM | XRF | |
| GA | 23 | PPM | XRF | |
| ZN | 140 | PPM | XRF | |
| PB | 11 | PPM | XRF | |
| LA | 38 | PPM | XRF | |
| CE | 58 | PPM | XRF | |
| TH | 12 | PPM | XRF |