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Sample MB-123
NavDat sample number 75581 · DACITE
Sample
| Sample ID | MB-123 |
|---|
| Rock name | DACITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | FELSIC |
|---|
| Material | IGNEOUS |
|---|
Location
| Latitude | 48.86 |
|---|
| Longitude | -121.808 |
|---|
| 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 | 62.62 | | WT% | XRF |
| TIO2 | 0.78 | | WT% | XRF |
| AL2O3 | 16.87 | | WT% | XRF |
| FEOT | 4.94 | | WT% | XRF |
| MNO | 0.09 | | WT% | XRF |
| MGO | 2.63 | | WT% | XRF |
| CAO | 5.05 | | WT% | XRF |
| NA2O | 4.17 | | WT% | XRF |
| K2O | 2.25 | | WT% | XRF |
| P2O5 | 0.2 | | WT% | XRF |
| LOI | 0.3 | | WT% | XRF |
