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Missouri University of Science and Technology
Stratigraphic -- Cambrian<br />Lead ores -- Missouri -- Saint Francois County</p>
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Permeability Study Of Algal Reef Beds Within The Bonneterre Formation, National Mine, St. Francois, Missouri, Bobbie L. Perry
Permeability Study Of Algal Reef Beds Within The Bonneterre Formation, National Mine, St. Francois, Missouri, Bobbie L. Perry
Masters Theses
"The Missouri "Lead Belt" comprises approximately 50 square miles, centering around the town of Flat River, in St. Francois County. Missouri. This district has been producing lead for more than 200 years, the total production being at least 8,000,000 tons of lead, valued at more than $1,000,000,000. For many years, the annual production of the district has been at least one-fourth of the total production in the United States.
An excellent description of the geology of this area was published recently by Ohle and Brown in 1954.
The ore consists principally of galena which is disseminated within the Bonneterre formation …