INDIANA LIMESTONE INSTITUTE OF AMERICA, INC.
Indiana Limestone (geologically known as the Salem Limestone) is essentially a monomineralic rock consisting of the calcium carbonate (CaCO 3) mineral named calcite. The calcite comes from the skeletal material (about 75 percent) that form the framework grains and from the cementing material (about 20 percent) that binds the grains together.
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