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Sample 721
NavDat sample number 9196 · RHYODACITE
Sample
| Sample ID | 721 |
|---|
| Alternate ID | 25-H |
|---|
| Rock name | RHYODACITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | FELSIC |
|---|
| Material | IGNEOUS |
|---|
| Comment | Dacite |
|---|
Location
| Latitude | 44.8255 |
|---|
| Longitude | -118.409 |
|---|
| State / province | Oregon |
|---|
| Formation | Clarno Formation |
|---|
| Elevation | 1487 |
|---|
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 | 70.57 | | WT% | XRF |
| AL2O3 | 17.46 | | WT% | XRF |
| TIO2 | 0.33 | | WT% | XRF |
| FEOT | 2.66 | | WT% | XRF |
| MNO | 0.01 | | WT% | XRF |
| CAO | 3.73 | | WT% | XRF |
| MGO | 0.88 | | WT% | XRF |
| K2O | 1.31 | | WT% | XRF |
| NA2O | 2.97 | | WT% | XRF |
| P2O5 | 0.08 | | WT% | XRF |
