Sample 397
NavDat sample number 48697 · DACITE
Sample
| Sample ID | 397 |
|---|---|
| Alternate ID | 97-CC-33 |
| Rock name | DACITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
| Comment | Calc_alkaline |
Location
| Latitude | 45.24 |
|---|---|
| Longitude | -117.771 |
| State / province | Oregon |
| Volcanic field | Powder River |
| Formation | Glass Hill Volcanic Group |
| Elevation | 1170 |
| 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 | 63.36 | WT% | XRF | |
| AL2O3 | 16.51 | WT% | XRF | |
| TIO2 | 0.742 | WT% | XRF | |
| FEOT | 4.58 | WT% | XRF | |
| MNO | 0.088 | WT% | XRF | |
| CAO | 5.49 | WT% | XRF | |
| MGO | 2.9 | WT% | XRF | |
| K2O | 1.62 | WT% | XRF | |
| NA2O | 4.34 | WT% | XRF | |
| P2O5 | 0.379 | WT% | XRF | |
| TOTAL | 99.83 | WT% | XRF | |
| NI | 37 | PPM | XRF | |
| CR | 51 | PPM | XRF | |
| SC | 15 | PPM | XRF | |
| V | 94 | PPM | XRF | |
| BA | 578 | PPM | XRF | |
| RB | 21 | PPM | XRF | |
| SR | 781 | PPM | XRF | |
| ZR | 165 | PPM | XRF | |
| Y | 14 | PPM | XRF | |
| NB | 13.1 | PPM | XRF | |
| GA | 22 | PPM | XRF | |
| CU | 31 | PPM | XRF | |
| ZN | 77 | PPM | XRF | |
| PB | 5 | PPM | XRF | |
| LA | 33 | PPM | XRF | |
| CE | 38 | PPM | XRF |