Geology of the Pacific Ocean Guinea, and New Zealand lie outside the andesite line. Outside of the andesite line, volcanism is explosive; 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. In 2009, the deepest undersea eruption ever recorded occurred at the West Mata submarine volcano, a mile beneath the ocean, close to the Tonga-Kermadec Trench, within the Ring of Fire; it was filmed by the US Jason robotic submersible which descended over . The Pacific Ocean is the only ocean which
Ring of Fire (Northern Ontario) that will spin-off jobs and economic activity for generations". In May 2012, Cliffs Natural Resources announced its intention of investing $3.3-billion in Northern Ontario's Ring of Fire region, which would include a chromite mine, a transportation corridor and a smelter in Sudbury, Ontario. Cliffs initially invested $550-million to acquire and begin development. By 2013, Cliffs had suspended the project "after numerous delays and difficult discussions with the province [of Ontario] and the First Nations communities". Cliffs sold its assets to the smaller Canadian company, Noront Resources Ltd. for USD20 million. In February 2013, KWG Resources, a Toronto-based junior miner, released