Sample 388
NavDat sample number 48695 · ANDESITE
Sample
| Sample ID | 388 |
|---|---|
| Alternate ID | 98-MAD-53 |
| Rock name | ANDESITE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
| Comment | Tholeiite |
Location
| Latitude | 45.2561 |
|---|---|
| Longitude | -118.067 |
| State / province | Oregon |
| Volcanic field | Powder River |
| Formation | Glass Hill Volcanic Group |
| Elevation | 1326 |
| Location comment | Powder River Volcanic Field |
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 | WT% | XRF | |
| AL2O3 | 16.76 | WT% | XRF | |
| TIO2 | 1.314 | WT% | XRF | |
| FEOT | 7.72 | WT% | XRF | |
| MNO | 0.106 | WT% | XRF | |
| CAO | 5.93 | WT% | XRF | |
| MGO | 2.3 | WT% | XRF | |
| K2O | 1.8 | WT% | XRF | |
| NA2O | 4.31 | WT% | XRF | |
| P2O5 | 0.76 | WT% | XRF | |
| NI | 20 | PPM | XRF | |
| CR | 52 | PPM | XRF | |
| SC | 18 | PPM | XRF | |
| V | 147 | PPM | XRF | |
| BA | 988 | PPM | XRF | |
| RB | 20 | PPM | XRF | |
| SR | 554 | PPM | XRF | |
| ZR | 221 | PPM | XRF | |
| Y | 32 | PPM | XRF | |
| NB | 18.3 | PPM | XRF | |
| GA | 21 | PPM | XRF | |
| CU | 45 | PPM | XRF | |
| ZN | 102 | PPM | XRF | |
| PB | 7 | PPM | XRF | |
| LA | 36 | PPM | XRF | |
| CE | 58 | PPM | XRF | |
| TH | 6 | PPM | XRF |