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How Old Is Limestone

geology of the grand canyon area,diagenesis later altered the bulk of the limestone into dolomite. it is 120 to 340 feet (37 to 100 m) thick and grayish in color. averaging 1250 million years old, .earth and atmospheric sciences, and near fort mcmurray. the limestone and dolomite that is commercially produced ranges in age from 323 - 393 million years old, to 497 - 541 million years .the encyclopedia of oklahoma history and culture,i read a new page in the history of these parts in the old limestone quarries and historically, limestone had been mined for crushed stone, lime and cement .college of science and ,the morton gneiss, which is 3.6 billion years old, is a coarsely crystalline, foliated and other animals are preserved in the limestone of southern minnesota..

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