What minerals make up metamorphic rocks? What is extrusive igneous rock? What is the difference between foliated and nonfoliated metamorphic rocks? Which igneous rock forms when basaltic lava hardens? What is the most common metamorphic rock?
to a moderate superficial seismic activity. This activity is linked to plate movements and interaction at the edge of these plates. The whole African continent belongs to the African plate. The Tell Atlas, which spreads toward the North, includes a foliated crystalline "complex" of gn[translate...