Sample 611
NavDat sample number 66142 · RHYOLITE
Sample
| Sample ID | 611 |
|---|---|
| Alternate ID | 97-LG-68 |
| Rock name | RHYOLITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
| Comment | Welded tuff |
Location
| Latitude | 45.094 |
|---|---|
| Longitude | -118.548 |
| State / province | Oregon |
| Formation | Tower Mountain Volcanic Field |
| Elevation | 1579 |
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 | 77.72 | WT% | XRF | |
| AL2O3 | 14.78 | WT% | XRF | |
| TIO2 | 0.125 | WT% | XRF | |
| FEOT | 1.42 | WT% | XRF | |
| MNO | 0.015 | WT% | XRF | |
| CAO | 0.18 | WT% | XRF | |
| MGO | 0.36 | WT% | XRF | |
| K2O | 4.12 | WT% | XRF | |
| NA2O | 1.25 | WT% | XRF | |
| P2O5 | 0.031 | WT% | XRF | |
| TOTAL | 97.02 | WT% | XRF | |
| NI | 10 | PPM | XRF | |
| CR | 5 | PPM | XRF | |
| SC | 1 | PPM | XRF | |
| V | 10 | PPM | XRF | |
| BA | 457 | PPM | XRF | |
| RB | 134 | PPM | XRF | |
| SR | 58 | PPM | XRF | |
| ZR | 98 | PPM | XRF | |
| Y | 18 | PPM | XRF | |
| NB | 17.4 | PPM | XRF | |
| GA | 29 | PPM | XRF | |
| CU | 6 | PPM | XRF | |
| ZN | 31 | PPM | XRF | |
| PB | 10 | PPM | XRF | |
| LA | 30 | PPM | XRF | |
| CE | 53 | PPM | XRF | |
| TH | 9 | PPM | XRF |