basaltic rock quarry indonesia
Scoria is a highly vesicular, dark colored volcanic rock that may or may not contain crystals dark brown, black or purplish red), and basaltic or andesitic in composition. The quarry of Puna Pau on Rapa Nui/Easter Island was the source of a Basa Indonesia · Íslenska · Italiano · עברית · Basa Melayu · Nederlands get price