Alaskan-type zoned ultramafic complexes and ultramafic lavas, sills and dikes of Jurassic age occur in the Jurassic accretionary complex (Samarka-Nadanhada zone) of Russian Primorye and adjacent northeast China (Heilongjiang ...
The Permian ferropicrite and picritic ferrobasalt occur in the Jurassic accretionary complexes of the Mino-Tamba belt as dikes intruded into the basaltic volcanic rocks. They are characterized by high MgO (11-27 wt.%), ...