Marble is a metamorphic rock formed by high temperature and high pressure in the crust, and the internal force of the crust promotes the metamorphic process of the original rocks. Metamorphic rock is a new type of rock formed by metamorphic deformation. Marble is mainly composed of calcite, limestone, serpentine and dolomite, and its main component is calcium carbonate, accounting for more than 50%. Others include magnesium carbonate, calcium oxide, manganese oxide and silicon dioxide. Marble is the product of recrystallization of limestone or dolomite by contact or regional metamorphism. Its mineral composition is mainly calcite. When it encounters hydrochloric acid bubbles occur, it has isogranular or isogranular crystalline structure with different particle size.
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