Field Trip to the Upper Cambrian Lamotte, Bonneterre, and Davis Formations, St. Francois Mts. Area, Missouri
Paul E. Gerdemann, Jay M. Gregg, 1989. "Field Trip to the Upper Cambrian Lamotte, Bonneterre, and Davis Formations, St. Francois Mts. Area, Missouri", Mississippi Valley-Type Mineralization of the Viburnum Trend, Missouri, Richard D. Hagni, Raymond M. Coveney, Jr.
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This field trip was prepared using notes on extensive field studies conducted in the St. Francois Mountains region, by the senior author and others. These studies were part of exploration activities undertaken by St. Joe Minerals Corporation, during the 1950s, that eventually led to discovery of the Viburnum Trend lead-zinc district. The trip will serve to introduce geologists to many aspects of the sedimentology and economic geology of the St. Francois Mountains region.
Although the trip is designed to occupy a full day, two days will allow a more leisurely pace, and several other points of geological interest, shown on the field trip map (Fig. 1), may be visited (e.g., Silver Mines Forest Service Campground and Elephant Rocks State Park).