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Sample MB-CR-71
NavDat sample number 75554 · BASALTIC-ANDESITE
Sample
| Sample ID | MB-CR-71 |
|---|
| Rock name | BASALTIC-ANDESITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | INTERMEDIATE |
|---|
| Material | IGNEOUS |
|---|
Location
| Latitude | 48.721 |
|---|
| 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 | 52.77 | | WT% | XRF |
| TIO2 | 1.14 | | WT% | XRF |
| AL2O3 | 20.1 | | WT% | XRF |
| FEOT | 6.71 | | WT% | XRF |
| MNO | 0.11 | | WT% | XRF |
| MGO | 3.98 | | WT% | XRF |
| CAO | 9.62 | | WT% | XRF |
| NA2O | 3.83 | | WT% | XRF |
| K2O | 0.99 | | WT% | XRF |
| P2O5 | 0.36 | | WT% | XRF |
| LOI | 0.14 | | WT% | XRF |
