The Magmont-West Lead-Zinc-Copper Mine (Cominco American Incorporated - Dresser Minerals) Viburnum Trend, Southeast Missouri
Milton F. Bradley, Thomas E. Krolak, 1989. "The Magmont-West Lead-Zinc-Copper Mine (Cominco American Incorporated - Dresser Minerals) Viburnum Trend, Southeast Missouri", Mississippi Valley-Type Mineralization of the Viburnum Trend, Missouri, Richard D. Hagni, Raymond M. Coveney, Jr.
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The Magmont-West mine area is located in southeastern Missouri approximately 90 miles southwest of St. Louis along the western edge of the Viburnum Trend or New Lead Belt.
During a Precambrian copper-iron exploration program which was begun in 1956 by American Zinc Company, lead-zinc mineralization was encountered in the Upper Cambrian Bonneterre Formation. Subsequent to a 1973 evaluation, which showed that the Precambrian copper-iron mineralization delineated in the West Dome area was uneconomical, emphasis was shifted to exploring for Pb-Zn mineralization in the Bonneterre Formation in the southeastern and south-central portion of the project area.