White Marble, What is Marble, How does form?

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Marble A non-foliated metamorphic rock that forms when limestone is subjected to heat and pressure. Article by: Hobart M. King, Ph.D., RPG What is Marble? Marble is a metamorphic rock that forms when limestone is subjected to the heat and pressure of metamorphism. It is composed primarily of the mineral calcite (CaCO3) and usually contains […]