Sample PR-99
NavDat sample number 47826 · TRACHYTE
Sample
| Sample ID | PR-99 |
|---|---|
| Rock name | TRACHYTE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
| Collected by | John Bush |
| Comment | flow |
Location
| Latitude | 46.9031 |
|---|---|
| Longitude | -116.838 |
| 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 | 66.05 | WT% | XRF | |
| TIO2 | 0.68 | WT% | XRF | |
| AL2O3 | 18.53 | WT% | XRF | |
| FEO | 1.73 | WT% | XRF | |
| MNO | 0.01 | WT% | XRF | |
| MGO | 0 | WT% | XRF | |
| CAO | 1.16 | WT% | XRF | |
| NA2O | 5.84 | WT% | XRF | |
| K2O | 6.14 | WT% | XRF | |
| P2O5 | 0.03 | WT% | XRF | |
| NI | 6 | PPM | XRF | |
| CR | 0 | PPM | XRF | |
| SC | 10 | PPM | XRF | |
| V | 7 | PPM | XRF | |
| BA | 2454 | PPM | XRF | |
| RB | 102 | PPM | XRF | |
| SR | 290 | PPM | XRF | |
| ZR | 908 | PPM | XRF | |
| Y | 36 | PPM | XRF | |
| NB | 100.1 | PPM | XRF | |
| GA | 32 | PPM | XRF | |
| CU | 0 | PPM | XRF | |
| ZN | 80 | PPM | XRF | |
| PB | 6 | PPM | XRF | |
| LA | 44 | PPM | XRF | |
| CE | 116 | PPM | XRF | |
| TH | 12 | PPM | XRF |