Sample PR-98
NavDat sample number 47825 · TRACHYANDESITE
Sample
| Sample ID | PR-98 |
|---|---|
| Rock name | TRACHYANDESITE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
| Collected by | John Bush |
| Comment | flow |
Location
| Latitude | 46.8901 |
|---|---|
| Longitude | -116.846 |
| 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 | 51.33 | WT% | XRF | |
| TIO2 | 4.28 | WT% | XRF | |
| AL2O3 | 18.72 | WT% | XRF | |
| FEO | 6.12 | WT% | XRF | |
| MNO | 0.07 | WT% | XRF | |
| MGO | 1.65 | WT% | XRF | |
| CAO | 8.03 | WT% | XRF | |
| NA2O | 4.54 | WT% | XRF | |
| K2O | 2.05 | WT% | XRF | |
| P2O5 | 0.9 | WT% | XRF | |
| NI | 8 | PPM | XRF | |
| CR | 19 | PPM | XRF | |
| SC | 20 | PPM | XRF | |
| V | 258 | PPM | XRF | |
| BA | 1097 | PPM | XRF | |
| RB | 32 | PPM | XRF | |
| SR | 690 | PPM | XRF | |
| ZR | 360 | PPM | XRF | |
| Y | 43 | PPM | XRF | |
| NB | 68.9 | PPM | XRF | |
| GA | 31 | PPM | XRF | |
| CU | 13 | PPM | XRF | |
| ZN | 163 | PPM | XRF | |
| PB | 3 | PPM | XRF | |
| LA | 37 | PPM | XRF | |
| CE | 94 | PPM | XRF | |
| TH | 7 | PPM | XRF |