picritic-rock (Q41876)
From geokb
Fine grained ultramafic or basaltic rocks with <53% SiO^2, (Na^2O+K^2O)<2%, MgO>18%
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | picritic-rock |
Fine grained ultramafic or basaltic rocks with <53% SiO^2, (Na^2O+K^2O)<2%, MgO>18% |
