Sample 458
NavDat sample number 66080 · ANDESITE
Sample
| Sample ID | 458 |
|---|---|
| Alternate ID | 98-MAD-60 |
| Rock name | ANDESITE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
| Comment | Ferroandesite |
Location
| Latitude | 45.1918 |
|---|---|
| Longitude | -118.095 |
| State / province | Oregon |
| Formation | Grande Ronde Basalt |
| Elevation | 1436 |
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 | 1.966 | WT% | XRF | |
| FEOT | 10.46 | WT% | XRF | |
| MNO | 0.21 | WT% | XRF | |
| CAO | 5.07 | WT% | XRF | |
| MGO | 1.42 | WT% | XRF | |
| K2O | 2.3 | WT% | XRF | |
| NA2O | 4.08 | WT% | XRF | |
| P2O5 | 0.803 | WT% | XRF | |
| CR | 1 | PPM | XRF | |
| SC | 23 | PPM | XRF | |
| V | 69 | PPM | XRF | |
| BA | 909 | PPM | XRF | |
| RB | 64 | PPM | XRF | |
| SR | 310 | PPM | XRF | |
| ZR | 242 | PPM | XRF | |
| Y | 52 | PPM | XRF | |
| NB | 20.2 | PPM | XRF | |
| GA | 23 | PPM | XRF | |
| ZN | 148 | PPM | XRF | |
| PB | 14 | PPM | XRF | |
| LA | 36 | PPM | XRF | |
| CE | 67 | PPM | XRF | |
| TH | 9 | PPM | XRF |