← Search
Sample MB-259
NavDat sample number 75583 · DACITE
Sample
| Sample ID | MB-259 |
|---|
| Rock name | DACITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | FELSIC |
|---|
| Material | IGNEOUS |
|---|
Location
| Latitude | 48.877 |
|---|
| Longitude | -121.811 |
|---|
| State / province | washington |
|---|
| Formation | Dacite of Cougar Divide |
|---|
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 0.613 |
|
0.605 |
0.621 |
|
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|
| SIO2 | 63.68 | | WT% | XRF |
| TIO2 | 0.77 | | WT% | XRF |
| AL2O3 | 16.79 | | WT% | XRF |
| FEOT | 4.43 | | WT% | XRF |
| MNO | 0.09 | | WT% | XRF |
| MGO | 2.27 | | WT% | XRF |
| CAO | 4.64 | | WT% | XRF |
| NA2O | 4.31 | | WT% | XRF |
| K2O | 2.4 | | WT% | XRF |
| P2O5 | 0.21 | | WT% | XRF |
| LOI | 1.32 | | WT% | XRF |
