Sample PO508
NavDat sample number 47816 · TRACHYBASALT
Sample
| Sample ID | PO508 |
|---|---|
| Rock name | TRACHYBASALT |
| Rock type | VOLCANIC |
| Composition | MAFIC |
| Material | IGNEOUS |
| Collected by | Chris Duncan |
| Comment | flow |
Location
| Latitude | 46.9251 |
|---|---|
| Longitude | -116.901 |
| 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 | 46.67 | WT% | XRF | |
| TIO2 | 3.77 | WT% | XRF | |
| AL2O3 | 16.18 | WT% | XRF | |
| FEO | 12.34 | WT% | XRF | |
| MNO | 0.19 | WT% | XRF | |
| MGO | 5.7 | WT% | XRF | |
| CAO | 7.69 | WT% | XRF | |
| NA2O | 3.38 | WT% | XRF | |
| K2O | 1.62 | WT% | XRF | |
| P2O5 | 0.64 | WT% | XRF | |
| NI | 9 | PPM | XRF | |
| CR | 23 | PPM | XRF | |
| SC | 24 | PPM | XRF | |
| V | 267 | PPM | XRF | |
| BA | 409 | PPM | XRF | |
| RB | 22 | PPM | XRF | |
| SR | 573 | PPM | XRF | |
| ZR | 280 | PPM | XRF | |
| Y | 28 | PPM | XRF | |
| NB | 50.7 | PPM | XRF | |
| GA | 27 | PPM | XRF | |
| CU | 12 | PPM | XRF | |
| ZN | 118 | PPM | XRF | |
| PB | 4 | PPM | XRF | |
| LA | 25 | PPM | XRF | |
| CE | 70 | PPM | XRF | |
| TH | 4 | PPM | XRF |