Sample PR-100
NavDat sample number 47820 · TRACHYTE
Sample
| Sample ID | PR-100 |
|---|---|
| Rock name | TRACHYTE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
| Collected by | John Bush |
| Comment | flow |
Location
| Latitude | 46.8603 |
|---|---|
| Longitude | -116.812 |
| 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 | 68.37 | WT% | XRF | |
| TIO2 | 0.29 | WT% | XRF | |
| AL2O3 | 16.91 | WT% | XRF | |
| FEO | 1.99 | WT% | XRF | |
| MNO | 0.01 | WT% | XRF | |
| MGO | 0.08 | WT% | XRF | |
| CAO | 0.26 | WT% | XRF | |
| NA2O | 6.66 | WT% | XRF | |
| K2O | 5.74 | WT% | XRF | |
| P2O5 | 0.05 | WT% | XRF | |
| NI | 9 | PPM | XRF | |
| CR | 0 | PPM | XRF | |
| SC | 3 | PPM | XRF | |
| V | 10 | PPM | XRF | |
| BA | 4 | PPM | XRF | |
| RB | 155 | PPM | XRF | |
| SR | 10 | PPM | XRF | |
| ZR | 939 | PPM | XRF | |
| Y | 49 | PPM | XRF | |
| NB | 167.3 | PPM | XRF | |
| GA | 35 | PPM | XRF | |
| CU | 2 | PPM | XRF | |
| ZN | 281 | PPM | XRF | |
| PB | 12 | PPM | XRF | |
| LA | 95 | PPM | XRF | |
| CE | 164 | PPM | XRF | |
| TH | 15 | PPM | XRF |