Circum-Superior Belt mantle plume that was the source for the 1,880 million-year-old magmatism in the Circum-Superior Belt. The Circum-Superior Belt is the host for widespread mineral deposits, including copper, nickel and platinum group elements. However, the origins of this widespread mineralization is unknown. The Thompson Belt in Manitoba is one of the most comprehensive nickel producing zones on Earth. It has the potential to contain platinum group elements, but the age of the mafic-ultramafic volcanic rocks comprising the nickel deposits are not well known. Since its foundation during the 1950s, numerous mining operations throughout the Thompson Belt have produced over four billion
Ring of Fire (1991 film) Hawaii, especially Kilauea and Mauna Loa, Footage includes roads, houses and cars destroyed by advancing lava, and underwater lava flows. 8. End Credits "Ring of Fire" was released as a VHS video in 1995, and as a DVD in 1997 (rereleased in 2006). It was released on Blu-ray on July 12, 2011, and is also available in HD from the iTunes Store. 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