Sample 361
NavDat sample number 48688 · DACITE
Sample
| Sample ID | 361 |
|---|---|
| Alternate ID | 97-CC-70 |
| Rock name | DACITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
| Comment | Calc_alkaline |
Location
| Latitude | 45.289 |
|---|---|
| Longitude | -117.751 |
| State / province | Oregon |
| Volcanic field | Powder River |
| Formation | Glass Hill Volcanic Group |
| Elevation | 1268 |
| 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 | 64.82 | WT% | XRF | |
| AL2O3 | 16.65 | WT% | XRF | |
| TIO2 | 0.645 | WT% | XRF | |
| FEOT | 4.33 | WT% | XRF | |
| MNO | 0.084 | WT% | XRF | |
| CAO | 5.13 | WT% | XRF | |
| MGO | 2.06 | WT% | XRF | |
| K2O | 1.9 | WT% | XRF | |
| NA2O | 4.06 | WT% | XRF | |
| P2O5 | 0.323 | WT% | XRF | |
| TOTAL | 100.04 | WT% | XRF | |
| NI | 12 | PPM | XRF | |
| CR | 26 | PPM | XRF | |
| SC | 11 | PPM | XRF | |
| V | 92 | PPM | XRF | |
| BA | 587 | PPM | XRF | |
| RB | 24 | PPM | XRF | |
| SR | 626 | PPM | XRF | |
| ZR | 167 | PPM | XRF | |
| Y | 15 | PPM | XRF | |
| NB | 11.7 | PPM | XRF | |
| GA | 19 | PPM | XRF | |
| CU | 14 | PPM | XRF | |
| ZN | 71 | PPM | XRF | |
| PB | 6 | PPM | XRF | |
| LA | 25 | PPM | XRF | |
| CE | 48 | PPM | XRF | |
| TH | 4 | PPM | XRF |