Sample 362
NavDat sample number 48689 · DACITE
Sample
| Sample ID | 362 |
|---|---|
| Alternate ID | 99-LCC-39 |
| Rock name | DACITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
| Comment | Calc_alkaline |
Location
| Latitude | 45.2889 |
|---|---|
| Longitude | -117.75 |
| State / province | Oregon |
| Volcanic field | Powder River |
| Formation | Glass Hill Volcanic Group |
| Elevation | 1247 |
| Location comment | Powder River Volcanic Field |
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 | 64.72 | WT% | XRF | |
| AL2O3 | 16.77 | WT% | XRF | |
| TIO2 | 0.661 | WT% | XRF | |
| FEOT | 4.26 | WT% | XRF | |
| MNO | 0.086 | WT% | XRF | |
| CAO | 5.19 | WT% | XRF | |
| MGO | 2.07 | WT% | XRF | |
| K2O | 1.91 | WT% | XRF | |
| NA2O | 4 | WT% | XRF | |
| P2O5 | 0.334 | WT% | XRF | |
| TOTAL | 99.29 | WT% | XRF | |
| NI | 10 | PPM | XRF | |
| CR | 26 | PPM | XRF | |
| SC | 11 | PPM | XRF | |
| V | 82 | PPM | XRF | |
| BA | 615 | PPM | XRF | |
| RB | 26 | PPM | XRF | |
| SR | 623 | PPM | XRF | |
| ZR | 161 | PPM | XRF | |
| Y | 17 | PPM | XRF | |
| NB | 10.5 | PPM | XRF | |
| GA | 19 | PPM | XRF | |
| CU | 24 | PPM | XRF | |
| ZN | 79 | PPM | XRF | |
| PB | 5 | PPM | XRF | |
| LA | 31 | PPM | XRF | |
| CE | 57 | PPM | XRF | |
| TH | 1 | PPM | XRF |