Sample 571
NavDat sample number 48735 · DACITE
Sample
| Sample ID | 571 |
|---|---|
| Alternate ID | 97-CC-143 |
| Rock name | DACITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
| Comment | Calc_alkaline |
Location
| Latitude | 45.1308 |
|---|---|
| Longitude | -117.871 |
| State / province | Oregon |
| Volcanic field | Powder River |
| Formation | Glass Hill Volcanic Group |
| Elevation | 1250 |
| 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 | 65.91 | WT% | XRF | |
| AL2O3 | 16.45 | WT% | XRF | |
| TIO2 | 0.63 | WT% | XRF | |
| FEOT | 4.06 | WT% | XRF | |
| MNO | 0.07 | WT% | XRF | |
| CAO | 4.94 | WT% | XRF | |
| MGO | 1.77 | WT% | XRF | |
| K2O | 1.94 | WT% | XRF | |
| NA2O | 3.94 | WT% | XRF | |
| P2O5 | 0.288 | WT% | XRF | |
| NI | 15 | PPM | XRF | |
| CR | 35 | PPM | XRF | |
| SC | 12 | PPM | XRF | |
| V | 82 | PPM | XRF | |
| BA | 630 | PPM | XRF | |
| RB | 28 | PPM | XRF | |
| SR | 576 | PPM | XRF | |
| ZR | 165 | PPM | XRF | |
| Y | 17 | PPM | XRF | |
| NB | 10.1 | PPM | XRF | |
| GA | 19 | PPM | XRF | |
| CU | 13 | PPM | XRF | |
| ZN | 73 | PPM | XRF | |
| PB | 7 | PPM | XRF | |
| LA | 9 | PPM | XRF | |
| CE | 46 | PPM | XRF | |
| TH | 1 | PPM | XRF |