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Sample 757
NavDat sample number 10326 · DACITE
Sample
| Sample ID | 757 |
|---|
| Alternate ID | 31-K |
|---|
| Rock name | DACITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | FELSIC |
|---|
| Material | IGNEOUS |
|---|
| Comment | Rhyodacite |
Location
| Latitude | 44.6349 |
|---|
| Longitude | -118.713 |
|---|
| State / province | Oregon |
|---|
| Formation | Clarno Formation |
|---|
| Elevation | 1378 |
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 | 69.92 | | WT% | XRF |
| AL2O3 | 17.14 | | WT% | XRF |
| TIO2 | 0.502 | | WT% | XRF |
| FEOT | 3.26 | | WT% | XRF |
| MNO | 0.09 | | WT% | XRF |
| CAO | 4.05 | | WT% | XRF |
| MGO | 0.26 | | WT% | XRF |
| K2O | 1.46 | | WT% | XRF |
| NA2O | 3.08 | | WT% | XRF |
| P2O5 | 0.231 | | WT% | XRF |