Sample LB1031
NavDat sample number 47663 · TRACHYBASALT
Sample
| Sample ID | LB1031 |
|---|---|
| Rock name | TRACHYBASALT |
| Rock type | VOLCANIC |
| Composition | MAFIC |
| Material | IGNEOUS |
| Collected by | Jerry Potter |
| Comment | flow |
Location
| Latitude | 46.702 |
|---|---|
| Longitude | -116.665 |
| 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 | 47.49 | WT% | XRF | |
| TIO2 | 3.83 | WT% | XRF | |
| AL2O3 | 16.4 | WT% | XRF | |
| FEO | 11.67 | WT% | XRF | |
| MNO | 0.18 | WT% | XRF | |
| MGO | 5.6 | WT% | XRF | |
| CAO | 7.89 | WT% | XRF | |
| NA2O | 3.42 | WT% | XRF | |
| K2O | 1.66 | WT% | XRF | |
| P2O5 | 0.67 | WT% | XRF | |
| NI | 14 | PPM | XRF | |
| CR | 28 | PPM | XRF | |
| SC | 22 | PPM | XRF | |
| V | 253 | PPM | XRF | |
| BA | 281 | PPM | XRF | |
| RB | 23 | PPM | XRF | |
| SR | 643 | PPM | XRF | |
| ZR | 285 | PPM | XRF | |
| Y | 27 | PPM | XRF | |
| NB | 51.3 | PPM | XRF | |
| GA | 23 | PPM | XRF | |
| CU | 10 | PPM | XRF | |
| ZN | 124 | PPM | XRF | |
| PB | 2 | PPM | XRF | |
| LA | 35 | PPM | XRF | |
| CE | 77 | PPM | XRF | |
| TH | 3 | PPM | XRF |