Sample 627
NavDat sample number 66148 · RHYOLITE
Sample
| Sample ID | 627 |
|---|---|
| Alternate ID | 97-LG-87 |
| Rock name | RHYOLITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
| Comment | Welded tuff |
Location
| Latitude | 45.0819 |
|---|---|
| Longitude | -118.666 |
| State / province | Oregon |
| Formation | Tower Mountain Volcanic Field |
| Elevation | 1707 |
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 | 76.96 | WT% | XRF | |
| AL2O3 | 12.97 | WT% | XRF | |
| TIO2 | 0.116 | WT% | XRF | |
| FEOT | 1.2 | WT% | XRF | |
| MNO | 0.016 | WT% | XRF | |
| CAO | 1.33 | WT% | XRF | |
| MGO | 0.19 | WT% | XRF | |
| K2O | 5.63 | WT% | XRF | |
| NA2O | 1.55 | WT% | XRF | |
| P2O5 | 0.033 | WT% | XRF | |
| TOTAL | 97.11 | WT% | XRF | |
| NI | 9 | PPM | XRF | |
| SC | 5 | PPM | XRF | |
| V | 7 | PPM | XRF | |
| BA | 680 | PPM | XRF | |
| RB | 115 | PPM | XRF | |
| SR | 132 | PPM | XRF | |
| ZR | 99 | PPM | XRF | |
| Y | 21 | PPM | XRF | |
| NB | 17 | PPM | XRF | |
| GA | 17 | PPM | XRF | |
| CU | 2 | PPM | XRF | |
| ZN | 29 | PPM | XRF | |
| PB | 10 | PPM | XRF | |
| LA | 41 | PPM | XRF | |
| CE | 63 | PPM | XRF | |
| TH | 6 | PPM | XRF |