Sample MM-33
NavDat sample number 47783 · TRACHYBASALT
Sample
| Sample ID | MM-33 |
|---|---|
| Rock name | TRACHYBASALT |
| Rock type | VOLCANIC |
| Composition | MAFIC |
| Material | IGNEOUS |
| Collected by | John Bush |
| Comment | flow |
Location
| Latitude | 46.84 |
|---|---|
| Longitude | -116.78 |
| 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 | 49.5 | WT% | XRF | |
| TIO2 | 3.46 | WT% | XRF | |
| AL2O3 | 17.12 | WT% | XRF | |
| FEO | 11.37 | WT% | XRF | |
| MNO | 0.17 | WT% | XRF | |
| MGO | 4.91 | WT% | XRF | |
| CAO | 7.42 | WT% | XRF | |
| NA2O | 4 | WT% | XRF | |
| K2O | 1.89 | WT% | XRF | |
| P2O5 | 0.71 | WT% | XRF | |
| NI | 6 | PPM | XRF | |
| CR | 3 | PPM | XRF | |
| SC | 19 | PPM | XRF | |
| V | 184 | PPM | XRF | |
| BA | 377 | PPM | XRF | |
| RB | 28 | PPM | XRF | |
| SR | 625 | PPM | XRF | |
| ZR | 300 | PPM | XRF | |
| Y | 31 | PPM | XRF | |
| NB | 57.3 | PPM | XRF | |
| GA | 27 | PPM | XRF | |
| CU | 9 | PPM | XRF | |
| ZN | 123 | PPM | XRF | |
| PB | 2 | PPM | XRF | |
| LA | 40 | PPM | XRF | |
| CE | 84 | PPM | XRF | |
| TH | 3 | PPM | XRF |