Sample 291
NavDat sample number 66002 · ANDESITE
Sample
| Sample ID | 291 |
|---|---|
| Alternate ID | 98-LG-31 |
| Rock name | ANDESITE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
| Comment | Andesite |
Location
| Latitude | 45.3726 |
|---|---|
| Longitude | -118.31 |
| State / province | Oregon |
| Formation | Grande Ronde Basalt |
| Elevation | 1091 |
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 | 61.01 | WT% | XRF | |
| AL2O3 | 13.61 | WT% | XRF | |
| TIO2 | 1.991 | WT% | XRF | |
| FEOT | 9.18 | WT% | XRF | |
| MNO | 0.206 | WT% | XRF | |
| CAO | 5.22 | WT% | XRF | |
| MGO | 1.62 | WT% | XRF | |
| K2O | 2.76 | WT% | XRF | |
| NA2O | 3.59 | WT% | XRF | |
| P2O5 | 0.82 | WT% | XRF | |
| CR | 3 | PPM | XRF | |
| SC | 24 | PPM | XRF | |
| V | 62 | PPM | XRF | |
| BA | 1011 | PPM | XRF | |
| RB | 66 | PPM | XRF | |
| SR | 326 | PPM | XRF | |
| ZR | 246 | PPM | XRF | |
| Y | 57 | PPM | XRF | |
| NB | 19.4 | PPM | XRF | |
| GA | 23 | PPM | XRF | |
| CU | 11 | PPM | XRF | |
| ZN | 159 | PPM | XRF | |
| PB | 11 | PPM | XRF | |
| LA | 30 | PPM | XRF | |
| CE | 77 | PPM | XRF | |
| TH | 9 | PPM | XRF |