Alabama critical minerals site name 'Unnamed occurrence,' GSA internal feature identification number ALMIN.11.20.039, located in Located on the Mitchell Dam, Alabama 7.5-minute quadrangle.the Mitchell Dam 7.5' quadrangle in Chilton County, Alabama. This site has been documented to contain the commodity(ies) aluminum (kyanite/sillimanite). Was there past production of these minerals at this site?: No. The reference in which more information can be found on this site and its minerals can be found in: Rheams, K.F., 1986a, Kyanite-sillimanite in rocks and saprolites of the Alabama Piedmont (Table 6): Alabama Geological Survey Atlas 19, p. 10. Rheams, K.F., 1986b, Mineral resources map of Chilton County, Alabama (1:126,720): Alabama Geological [...]