Sample 539
NavDat sample number 48727 · TRACHYANDESITE
Sample
| Sample ID | 539 |
|---|---|
| Alternate ID | 97-CC-65 |
| Rock name | TRACHYANDESITE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
| Comment | Calc_alkaline |
Location
| Latitude | 45.1548 |
|---|---|
| Longitude | -117.757 |
| State / province | Oregon |
| Volcanic field | Powder River |
| Formation | Glass Hill Volcanic Group |
| Elevation | 1079 |
| 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 | 59.4 | WT% | XRF | |
| AL2O3 | 16 | WT% | XRF | |
| TIO2 | 1.295 | WT% | XRF | |
| FEOT | 6.19 | WT% | XRF | |
| MNO | 0.127 | WT% | XRF | |
| CAO | 6.8 | WT% | XRF | |
| MGO | 2.83 | WT% | XRF | |
| K2O | 1.87 | WT% | XRF | |
| NA2O | 4.72 | WT% | XRF | |
| P2O5 | 0.768 | WT% | XRF | |
| TOTAL | 99.97 | WT% | XRF | |
| NI | 26 | PPM | XRF | |
| CR | 56 | PPM | XRF | |
| SC | 14 | PPM | XRF | |
| V | 155 | PPM | XRF | |
| BA | 687 | PPM | XRF | |
| RB | 19 | PPM | XRF | |
| SR | 1428 | PPM | XRF | |
| ZR | 183 | PPM | XRF | |
| Y | 20 | PPM | XRF | |
| NB | 13.5 | PPM | XRF | |
| GA | 22 | PPM | XRF | |
| CU | 10 | PPM | XRF | |
| ZN | 98 | PPM | XRF | |
| PB | 4 | PPM | XRF | |
| LA | 26 | PPM | XRF | |
| CE | 73 | PPM | XRF | |
| TH | 2 | PPM | XRF |