Circum-Superior Belt northwestern Superior craton margin intrude an older, 2,090 to 2,070 million-year-old dike swarm. The Ospwagan Group is younger than and the 1,864 million-year-old Winnipegosis komatiite belt lies to the southwest. Numerous tectonic settings have been suggested for triggering magmatism in the Fox River Belt, including a marginal basin rifting event. At the southern portion of the Circum-Superior Belt, a group of fragmental sediments composed of iron formation was formed during a period of magmatic activity in the Marquette Range Supergroup. Included in the Marquette Range Supergroup is the Hemlock Formation, a bimodal volcanic group that is estimated to have an
Ring of Fire (musical) Ring of Fire (musical) Ring of Fire is a jukebox musical based on the music of Johnny Cash. "Ring of Fire" was conceived by William Meade and created and directed by Richard Maltby, Jr.. The musical played a "discreet and well-reviewed test run at Buffalo's Studio Arena Theatre in fall 2005". The musical contains 38 of Johnny Cash's songs, such as "Country Boy," "A Thing Called Love," "Five Feet High and Rising," "Daddy Sang Bass," "Ring of Fire," "I Walk the Line," "I've Been Everywhere," "The Man in Black" and "Hurt." The musical opened on Broadway at the Ethel Barrymore