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: The Best of Johnny Cash Ring of Fire: The Best of Johnny Cash Ring of Fire: The Best of Johnny Cash is the sixteenth album in total by the singer-songwriter Johnny Cash, released on Columbia Records in 1963 (see 1963 in music). This album collects tracks from singles and an EP released between 1959 and 1963, Cash's first years on the Columbia label, and marked the first release of these tracks in LP format, with the exception of "I Still Miss Someone," which had previously appeared on the 1958 album "The Fabulous Johnny Cash". "Ring of Fire", one of Cash's most famous tracks, made its