Sample 358
NavDat sample number 48687 · TRACHYBASALT
Sample
| Sample ID | 358 |
|---|---|
| Alternate ID | 97-CC-77 |
| Rock name | TRACHYBASALT |
| Rock type | VOLCANIC |
| Composition | MAFIC |
| Material | IGNEOUS |
| Comment | Tholeiite |
Location
| Latitude | 45.292 |
|---|---|
| Longitude | -117.848 |
| State / province | Oregon |
| Volcanic field | Powder River |
| Formation | Glass Hill Volcanic Group |
| Elevation | 829 |
| 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 | 47.68 | WT% | XRF | |
| AL2O3 | 15.95 | WT% | XRF | |
| TIO2 | 2.592 | WT% | XRF | |
| FEOT | 12.12 | WT% | XRF | |
| MNO | 0.172 | WT% | XRF | |
| CAO | 8.64 | WT% | XRF | |
| MGO | 6.52 | WT% | XRF | |
| K2O | 1.09 | WT% | XRF | |
| NA2O | 4.69 | WT% | XRF | |
| P2O5 | 0.546 | WT% | XRF | |
| TOTAL | 99.07 | WT% | XRF | |
| NI | 55 | PPM | XRF | |
| CR | 74 | PPM | XRF | |
| SC | 27 | PPM | XRF | |
| V | 331 | PPM | XRF | |
| BA | 455 | PPM | XRF | |
| RB | 5 | PPM | XRF | |
| SR | 1033 | PPM | XRF | |
| ZR | 100 | PPM | XRF | |
| Y | 16 | PPM | XRF | |
| NB | 9.1 | PPM | XRF | |
| GA | 21 | PPM | XRF | |
| CU | 91 | PPM | XRF | |
| ZN | 111 | PPM | XRF | |
| PB | 3 | PPM | XRF | |
| CE | 37 | PPM | XRF | |
| TH | 3 | PPM | XRF |