Sample 94
NavDat sample number 65884 · TRACHYANDESITE
Sample
| Sample ID | 94 |
|---|---|
| Alternate ID | 99-LG-3 |
| Rock name | TRACHYANDESITE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
| Comment | Trachyandesite |
Location
| Latitude | 45.6066 |
|---|---|
| Longitude | -117.916 |
| State / province | Oregon |
| Formation | Elgin Volcanics |
| Elevation | 881 |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 14.55 | 5.3 | 23.8 | Miocene |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 57.43 | WT% | XRF | |
| AL2O3 | 18.36 | WT% | XRF | |
| TIO2 | 1.083 | WT% | XRF | |
| FEOT | 6.16 | WT% | XRF | |
| MNO | 0.101 | WT% | XRF | |
| CAO | 6.81 | WT% | XRF | |
| MGO | 3.15 | WT% | XRF | |
| K2O | 1.86 | WT% | XRF | |
| NA2O | 4.38 | WT% | XRF | |
| P2O5 | 0.666 | WT% | XRF | |
| TOTAL | 99.05 | WT% | XRF | |
| NI | 46 | PPM | XRF | |
| CR | 54 | PPM | XRF | |
| SC | 15 | PPM | XRF | |
| V | 113 | PPM | XRF | |
| BA | 1073 | PPM | XRF | |
| RB | 10 | PPM | XRF | |
| SR | 1501 | PPM | XRF | |
| ZR | 134 | PPM | XRF | |
| Y | 16 | PPM | XRF | |
| NB | 6.9 | PPM | XRF | |
| GA | 22 | PPM | XRF | |
| CU | 58 | PPM | XRF | |
| ZN | 80 | PPM | XRF | |
| PB | 10 | PPM | XRF | |
| LA | 39 | PPM | XRF | |
| CE | 71 | PPM | XRF | |
| TH | 3 | PPM | XRF |