Sample 604
NavDat sample number 66140 · RHYOLITE
Sample
| Sample ID | 604 |
|---|---|
| Alternate ID | 97-LG-23 |
| Rock name | RHYOLITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
| Comment | Rhyolite |
Location
| Latitude | 45.0976 |
|---|---|
| Longitude | -118.573 |
| State / province | Oregon |
| Formation | Tower Mountain Volcanic Field |
| Elevation | 1743 |
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 | 77.11 | WT% | XRF | |
| AL2O3 | 12.65 | WT% | XRF | |
| TIO2 | 0.072 | WT% | XRF | |
| FEOT | 0.82 | WT% | XRF | |
| MNO | 0.014 | WT% | XRF | |
| CAO | 0.54 | WT% | XRF | |
| MGO | 0.3 | WT% | XRF | |
| K2O | 4.61 | WT% | XRF | |
| NA2O | 3.86 | WT% | XRF | |
| P2O5 | 0.022 | WT% | XRF | |
| TOTAL | 100.28 | WT% | XRF | |
| NI | 1 | PPM | XRF | |
| CR | 2 | PPM | XRF | |
| SC | 2 | PPM | XRF | |
| BA | 615 | PPM | XRF | |
| RB | 109 | PPM | XRF | |
| SR | 41 | PPM | XRF | |
| ZR | 85 | PPM | XRF | |
| Y | 21 | PPM | XRF | |
| NB | 18.8 | PPM | XRF | |
| GA | 16 | PPM | XRF | |
| CU | 5 | PPM | XRF | |
| ZN | 18 | PPM | XRF | |
| PB | 14 | PPM | XRF | |
| LA | 50 | PPM | XRF | |
| CE | 41 | PPM | XRF | |
| TH | 9 | PPM | XRF |