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Sample MB-50
NavDat sample number 75552 · BASALTIC-ANDESITE
Sample
| Sample ID | MB-50 |
|---|
| Rock name | BASALTIC-ANDESITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | INTERMEDIATE |
|---|
| Material | IGNEOUS |
|---|
Location
| Latitude | 48.722 |
|---|
| Longitude | -121.846 |
|---|
| State / province | washington |
|---|
| Formation | Basaltic andesites of Cathedral Crag |
|---|
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 0.331 |
|
0.313 |
0.349 |
|
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|
| SIO2 | 52.87 | | WT% | XRF |
| TIO2 | 1.13 | | WT% | XRF |
| AL2O3 | 20.28 | | WT% | XRF |
| FEOT | 6.69 | | WT% | XRF |
| MNO | 0.11 | | WT% | XRF |
| MGO | 3.99 | | WT% | XRF |
| CAO | 9.41 | | WT% | XRF |
| NA2O | 3.77 | | WT% | XRF |
| K2O | 0.99 | | WT% | XRF |
| P2O5 | 0.35 | | WT% | XRF |
| LOI | 0.13 | | WT% | XRF |
