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Sample 777
NavDat sample number 10728 · RHYOLITE
Sample
| Sample ID | 777 |
|---|
| Alternate ID | 35-R |
|---|
| Rock name | RHYOLITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | FELSIC |
|---|
| Material | IGNEOUS |
|---|
| Comment | Rhyolite |
Location
| Latitude | 44.5286 |
|---|
| Longitude | -118.639 |
|---|
| State / province | Oregon |
|---|
| Formation | Clarno Formation |
|---|
| Elevation | 1451 |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
| 39.3 |
|
23.8 |
54.8 |
|
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
| SIO2 | 77.5 | | WT% | XRF |
| AL2O3 | 13.05 | | WT% | XRF |
| TIO2 | 0.11 | | WT% | XRF |
| FEOT | 1.88 | | WT% | XRF |
| MNO | 0.02 | | WT% | XRF |
| CAO | 1.37 | | WT% | XRF |
| MGO | 0.09 | | WT% | XRF |
| K2O | 2.59 | | WT% | XRF |
| NA2O | 3.35 | | WT% | XRF |
| P2O5 | 0.04 | | WT% | XRF |