← Search
Sample 769
NavDat sample number 10720 · DACITE
Sample
| Sample ID | 769 |
|---|
| Alternate ID | 35-I |
|---|
| Rock name | DACITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | FELSIC |
|---|
| Material | IGNEOUS |
|---|
| Comment | Dacite |
|---|
Location
| Latitude | 44.5702 |
|---|
| Longitude | -118.689 |
|---|
| State / province | Oregon |
|---|
| Elevation | 1585 |
|---|
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 135.5 |
|
65 |
206 |
|
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|
| SIO2 | 65.49 | | WT% | XRF |
| AL2O3 | 16.62 | | WT% | XRF |
| TIO2 | 0.593 | | WT% | XRF |
| FEOT | 4.55 | | WT% | XRF |
| MNO | 0.06 | | WT% | XRF |
| CAO | 5.14 | | WT% | XRF |
| MGO | 2.27 | | WT% | XRF |
| K2O | 0.81 | | WT% | XRF |
| NA2O | 4.3 | | WT% | XRF |
| P2O5 | 0.161 | | WT% | XRF |
