Pacific Ocean closed loop of the andesite line are most of the deep troughs, submerged volcanic mountains, and oceanic volcanic islands that characterize the Pacific basin. Here basaltic lavas gently flow out of rifts to build huge dome-shaped volcanic mountains whose eroded summits form island arcs, chains, and clusters. Outside the andesite line, volcanism is of the explosive type, and the Pacific Ring of Fire is the world's foremost belt of explosive volcanism. The Ring of Fire is named after the several hundred active volcanoes that sit above the various subduction zones. The Pacific Ocean is the only ocean which is almost
Ring of Fire (Northern Ontario) Nibinamik First Nation, Aroland First Nation, Long Lake 58 First Nation, Ginoogaming First Nation, Eabametoong First Nation, Mishkeegogamang First Nation, and Constance Lake First Nation for the Matawa First Nations—in talks with the Ontario government about the opening of First Nations lands to the Ring of Fire development. Noront's Eagle's Nest copper and nickel mine and the Black Thor chromite mine of Cliffs Natural Resources would generate wealth and royalties for Ontario, but the mines are in a remote region. They will "require significant development to make them viable". "[D]evelopment that will have a profound effect on the local native