Alabama critical minerals site name 'Unnamed quarry occurrence,' GSA internal feature identification number ALMIN.43.20.04, located in the Sandy Ridge 7.5' quadrangle in Lowndes County, Alabama. This site has been documented to contain the commodity(ies) aluminum (aluminum oxide), barium, bentonite, calcium (calcium oxide), iron (iron oxide), magnesium (magnesium oxide), potassium (potassium oxide), rubidium, strontium, titanium (titanium oxide), zirconium. Was there past production of these minerals at this site?: Yes. The reference in which more information can be found on this site and its minerals can be found in: Dean, L.S., 1992, Mineral resources of Lowndes County, Alabama (Table 3) (1:126,720): Alabama Geological Survey Special [...]