Sample PO156
NavDat sample number 47806 · TRACHYBASALT
Sample
| Sample ID | PO156 |
|---|---|
| Rock name | TRACHYBASALT |
| Rock type | VOLCANIC |
| Composition | MAFIC |
| Material | IGNEOUS |
| Collected by | Chris Duncan |
| Comment | flow |
Location
| Latitude | 46.9161 |
|---|---|
| Longitude | -116.893 |
| State / province | Idaho |
| Volcanic field | Potlatch volcanics |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 28.75 | 23.8 | 33.7 | Oligocene |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 46.61 | WT% | XRF | |
| TIO2 | 3.75 | WT% | XRF | |
| AL2O3 | 16.11 | WT% | XRF | |
| FEO | 12.37 | WT% | XRF | |
| MNO | 0.17 | WT% | XRF | |
| MGO | 5.43 | WT% | XRF | |
| CAO | 7.78 | WT% | XRF | |
| NA2O | 3.31 | WT% | XRF | |
| K2O | 1.63 | WT% | XRF | |
| P2O5 | 0.65 | WT% | XRF | |
| NI | 8 | PPM | XRF | |
| CR | 23 | PPM | XRF | |
| SC | 18 | PPM | XRF | |
| V | 266 | PPM | XRF | |
| BA | 407 | PPM | XRF | |
| RB | 25 | PPM | XRF | |
| SR | 580 | PPM | XRF | |
| ZR | 275 | PPM | XRF | |
| Y | 29 | PPM | XRF | |
| NB | 50.5 | PPM | XRF | |
| GA | 25 | PPM | XRF | |
| CU | 17 | PPM | XRF | |
| ZN | 119 | PPM | XRF | |
| PB | 1 | PPM | XRF | |
| LA | 19 | PPM | XRF | |
| CE | 83 | PPM | XRF | |
| TH | 4 | PPM | XRF |