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) forces the two companies to negotiate an impact benefit agreement with the nine First Nations that would "include certain assurances, including guarantees that a certain number of jobs will go to First Nations workers". The three First Nations most profoundly impacted by the two projects are Marten Falls First Nation, Webequie First Nation and Neskantaga First Nation. Others on the edge of the Ring of Fire include Constance Lake First Nation (Chief Roger Wesley), 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. In