Sample 538
NavDat sample number 48726 · DACITE
Sample
| Sample ID | 538 |
|---|---|
| Alternate ID | 97-CC-51 |
| Rock name | DACITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
| Comment | Calc_alkaline |
Location
| Latitude | 45.1555 |
|---|---|
| Longitude | -117.779 |
| State / province | Oregon |
| Volcanic field | Powder River |
| Formation | Glass Hill Volcanic Group |
| Elevation | 920 |
| 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 | 63.18 | WT% | XRF | |
| AL2O3 | 16.29 | WT% | XRF | |
| TIO2 | 0.88 | WT% | XRF | |
| FEOT | 4.98 | WT% | XRF | |
| MNO | 0.077 | WT% | XRF | |
| CAO | 5.68 | WT% | XRF | |
| MGO | 2.31 | WT% | XRF | |
| K2O | 1.67 | WT% | XRF | |
| NA2O | 4.48 | WT% | XRF | |
| P2O5 | 0.46 | WT% | XRF | |
| TOTAL | 100.19 | WT% | XRF | |
| NI | 24 | PPM | XRF | |
| CR | 48 | PPM | XRF | |
| SC | 15 | PPM | XRF | |
| V | 114 | PPM | XRF | |
| BA | 593 | PPM | XRF | |
| RB | 18 | PPM | XRF | |
| SR | 991 | PPM | XRF | |
| ZR | 169 | PPM | XRF | |
| Y | 17 | PPM | XRF | |
| NB | 12.3 | PPM | XRF | |
| GA | 23 | PPM | XRF | |
| CU | 17 | PPM | XRF | |
| ZN | 82 | PPM | XRF | |
| PB | 5 | PPM | XRF | |
| LA | 23 | PPM | XRF | |
| CE | 55 | PPM | XRF | |
| TH | 3 | PPM | XRF |