Missouri Limestone Missouri Department of Natural Resources
Lastly, some dolomites contain an excess of magnesium (Mg) and are called magnesian dolomite or highmagnesium dolomite. The excess magnesium is probably in the form of magnesium carbonate minerals, of which magnesite (MgCO3) is a possible candidate. ... Mining: Limestone has been a valuable resource since Missouri became a state. In early open ...