Sample 431
NavDat sample number 66071 · ANDESITE
Sample
| Sample ID | 431 |
|---|---|
| Alternate ID | 98-MAD-78 |
| Rock name | ANDESITE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
| Comment | Andesite |
Location
| Latitude | 45.2079 |
|---|---|
| Longitude | -118.056 |
| State / province | Oregon |
| Formation | Grande Ronde Basalt |
| Elevation | 1305 |
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 | 57.33 | WT% | XRF | |
| AL2O3 | 13.49 | WT% | XRF | |
| TIO2 | 2.372 | WT% | XRF | |
| FEOT | 12.44 | WT% | XRF | |
| MNO | 0.188 | WT% | XRF | |
| CAO | 5.89 | WT% | XRF | |
| MGO | 1.94 | WT% | XRF | |
| K2O | 1.91 | WT% | XRF | |
| NA2O | 3.75 | WT% | XRF | |
| P2O5 | 0.686 | WT% | XRF | |
| TOTAL | 97.21 | WT% | XRF | |
| CR | 10 | PPM | XRF | |
| SC | 29 | PPM | XRF | |
| V | 212 | PPM | XRF | |
| BA | 898 | PPM | XRF | |
| RB | 52 | PPM | XRF | |
| SR | 326 | PPM | XRF | |
| ZR | 212 | PPM | XRF | |
| Y | 53 | PPM | XRF | |
| NB | 18.8 | PPM | XRF | |
| GA | 21 | PPM | XRF | |
| CU | 5 | PPM | XRF | |
| ZN | 148 | PPM | XRF | |
| PB | 11 | PPM | XRF | |
| LA | 24 | PPM | XRF | |
| CE | 69 | PPM | XRF | |
| TH | 8 | PPM | XRF |