Sample 648
NavDat sample number 66154 · DACITE
Sample
| Sample ID | 648 |
|---|---|
| Alternate ID | 97-LG-48 |
| Rock name | DACITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
| Comment | Dacite |
Location
| Latitude | 45.0681 |
|---|---|
| Longitude | -118.533 |
| State / province | Oregon |
| Formation | Tower Mountain Volcanic Field |
| Elevation | 1713 |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 28.75 | 23.8 | 33.7 | Oligocene |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 65.36 | WT% | XRF | |
| AL2O3 | 16.07 | WT% | XRF | |
| TIO2 | 0.939 | WT% | XRF | |
| FEOT | 4.27 | WT% | XRF | |
| MNO | 0.078 | WT% | XRF | |
| CAO | 4.07 | WT% | XRF | |
| MGO | 2.34 | WT% | XRF | |
| K2O | 3.26 | WT% | XRF | |
| NA2O | 3.37 | WT% | XRF | |
| P2O5 | 0.244 | WT% | XRF | |
| TOTAL | 97.27 | WT% | XRF | |
| NI | 18 | PPM | XRF | |
| CR | 28 | PPM | XRF | |
| SC | 9 | PPM | XRF | |
| V | 101 | PPM | XRF | |
| BA | 1503 | PPM | XRF | |
| RB | 72 | PPM | XRF | |
| SR | 566 | PPM | XRF | |
| ZR | 168 | PPM | XRF | |
| Y | 18 | PPM | XRF | |
| NB | 16.5 | PPM | XRF | |
| GA | 19 | PPM | XRF | |
| CU | 9 | PPM | XRF | |
| ZN | 57 | PPM | XRF | |
| PB | 5 | PPM | XRF | |
| LA | 13 | PPM | XRF | |
| CE | 35 | PPM | XRF | |
| TH | 5 | PPM | XRF |