Ring of Fire (1991 film) Ring of Fire (1991 film) Ring of Fire is a 1991 documentary film in IMAX format. It looks at some of the varieties of volcanism and earthquake activity in the Ring of Fire, around the Pacific Rim. The film runs 40 minutes. The film was jointly presented by the Fort Worth Museum of Science and History in Fort Worth, Texas, the Science Museum of Minnesota in Saint Paul, Minnesota, and the Reuben H. Fleet Space Theater and Science Center in San Diego, California. The film has eight main segments, corresponding to chapters in the DVD release: 1. "Ring of Fire":
Ring of Fire (Northern Ontario) tonnes per year for more than thirty years". Carrabba announced that the ore would be "further processed into 400,000–800,000 tonnes of ferrochrome". The purchase was finalized in 2010. According to Carrabba the area of the Ring of Fire that Cliffs acquired in 2009 represents one of the "premier chromite deposits in the world. Chromite is smelted to produce ferrochrome which is used globally in the production of stainless steel and is categorized as a strategic metal resource by many countries. In May 2012, Cliffs announced a "$3.3-billion investment to build a chromite mine, transportation corridor and processing facility in northern