Sample LB888
NavDat sample number 47669 · TRACHYBASALT
Sample
| Sample ID | LB888 |
|---|---|
| Rock name | TRACHYBASALT |
| Rock type | VOLCANIC |
| Composition | MAFIC |
| Material | IGNEOUS |
| Collected by | John Bush |
| Comment | flow |
Location
| Latitude | 46.7157 |
|---|---|
| Longitude | -116.664 |
| 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 | 47.65 | WT% | XRF | |
| TIO2 | 3.83 | WT% | XRF | |
| AL2O3 | 16.32 | WT% | XRF | |
| FEO | 12.34 | WT% | XRF | |
| MNO | 0.17 | WT% | XRF | |
| MGO | 5.42 | WT% | XRF | |
| CAO | 7.91 | WT% | XRF | |
| NA2O | 3.56 | WT% | XRF | |
| K2O | 1.79 | WT% | XRF | |
| P2O5 | 0.68 | WT% | XRF | |
| NI | 13 | PPM | XRF | |
| CR | 19 | PPM | XRF | |
| SC | 21 | PPM | XRF | |
| V | 234 | PPM | XRF | |
| BA | 308 | PPM | XRF | |
| RB | 24 | PPM | XRF | |
| SR | 656 | PPM | XRF | |
| ZR | 292 | PPM | XRF | |
| Y | 29 | PPM | XRF | |
| NB | 56.1 | PPM | XRF | |
| GA | 26 | PPM | XRF | |
| CU | 9 | PPM | XRF | |
| ZN | 121 | PPM | XRF | |
| PB | 0 | PPM | XRF | |
| LA | 20 | PPM | XRF | |
| CE | 81 | PPM | XRF | |
| TH | 4 | PPM | XRF |