Bauxite mining in the United States
Bauxite deposits occur in beds of kaolinite clay in the Nanafalia formation of the Wilcox group, of Eocene age. [4] Mining of bauxite and kaolinite is currently being done by Mullite Company of America (Mulcoa). Spottswood, ia. Bauxite was mined at two mines near Spottswood, ia, from 1940 to 1946. Total production was about 30,000 ...
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