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) benefit from proposed mining projects". The Federal Action Plan's whole-of-government approach includes the creation of a one-stop shop, where working group leads, from existing federal working groups in the labour market, infrastructure, community health and well-being, business development and environment form the single point of contact with local First Nations, industry and the province of Ontario. A multi-ministry meeting of federal senior officials had already been organized in April 2012. Until 2015, Greg Rickford was the Member of Parliament for the riding of Kenora, where the Ring of Fire is located, and the Minister of State for FedNor. February 2013