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) spiritual redemption... Certainly, I was aware of missing someone as I was watching "Ring of Fire." Too bad that person happened to be Johnny Cash." Many felt the failure was due to the show being booked into a theatre that was too large for the intimacy of the show. 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".