Alabama critical minerals site name 'Spring Valley quarry occurrence,' GSA internal feature identification number ALMIN.17.20.057, located in the Tuscumbia 7.5' quadrangle in Colbert County, Alabama. This site has been documented to contain the commodity(ies) aluminum (aluminum oxide), calcium (calcium carbonate), iron (iron oxide), mangnesium (magnesium oxide), silica (silicon dioxide). 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: Chaffin, H.S., Jr., 1976, Mineral resources of Colbert County, Alabama: Alabama Geological Survey Special Map 117, p. 5. Additional notes: No production data or development information provided. [...]