Sample 625
NavDat sample number 66147 · RHYOLITE
Sample
| Sample ID | 625 |
|---|---|
| Alternate ID | 97-LG-92 |
| Rock name | RHYOLITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
| Comment | Rhyolite |
Location
| Latitude | 45.0827 |
|---|---|
| Longitude | -118.675 |
| State / province | Oregon |
| Formation | Tower Mountain Volcanic Field |
| Elevation | 1524 |
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 | 80.56 | WT% | XRF | |
| AL2O3 | 11.53 | WT% | XRF | |
| TIO2 | 0.068 | WT% | XRF | |
| FEOT | 0.41 | WT% | XRF | |
| MNO | 0.001 | WT% | XRF | |
| CAO | 0.55 | WT% | XRF | |
| MGO | 0.32 | WT% | XRF | |
| K2O | 3.77 | WT% | XRF | |
| NA2O | 2.77 | WT% | XRF | |
| P2O5 | 0.019 | WT% | XRF | |
| TOTAL | 100.02 | WT% | XRF | |
| NI | 10 | PPM | XRF | |
| SC | 2 | PPM | XRF | |
| V | 2 | PPM | XRF | |
| BA | 753 | PPM | XRF | |
| RB | 82 | PPM | XRF | |
| SR | 61 | PPM | XRF | |
| ZR | 81 | PPM | XRF | |
| Y | 13 | PPM | XRF | |
| NB | 11.3 | PPM | XRF | |
| GA | 13 | PPM | XRF | |
| CU | 1 | PPM | XRF | |
| ZN | 5 | PPM | XRF | |
| PB | 9 | PPM | XRF | |
| LA | 29 | PPM | XRF | |
| CE | 35 | PPM | XRF | |
| TH | 7 | PPM | XRF |