Marble is a coarse-grained metamorphic rock that can be many colors, including pink, white, yellow, brown, green or black. Common metamorphic rocks include phyllite, schist, gneiss, quartzite and marble. Photo copyright iStockphoto / standby. These various impurities have been mobilized and recrystallized by the intense pressure and heat of the metamorphism. Limestone, a sedimentary rock, will change into the metamorphic rock marble if the right conditions are met. Marble is made through the process of pressure and heat added to an existing rock. panels, facing stone, window sills, stair treads, columns, and many other pieces of decorative stone. Marbles often occur interbedded with such metamorphic rocks as mica schists, phyllites, gneisses, and granulites and are most common in the older layers of Earth’s crust that have been deeply buried in regions of extreme folding and igneous intrusion. In the early stages of the limestone-to-marble transformation, the calcite crystals in the rock are very small. Marble is developed from limestone which is a sedimentary rock. Which type of rock is non-foliated metamorphic rock? Sedimentary rocks may become slate or marble, while igneous rocks become gneiss and carbon becomes diamonds. Access the answers to hundreds of Metamorphic rock questions that are explained in a way that's easy for you to understand. Metamorphic rocks form when sedimentary or igneous rocks come under a lot of pressure that squeezes them and forces their molecules into a new structure. It is composed primarily of the mineral calcite (CaCO3) and usually contains other minerals, such as clay minerals, micas, quartz, pyrite, iron oxides, and graphite. Marble is a metamorphic rock that forms when limestone is subjected to the heat and pressure of metamorphism. Unlike igneous rocks, metamorphic rocks do not melt. Metamorphic rocks can form from other metamorphic rocks. It typically contain… It takes high polish and is often used for sculpture and as building material . Marble of extremely high purity with a bright white color is very useful. Dolomite CaMg (CO 3) 2 is related to limestone but is rich in magnesium. Pharmaceutical antacid medicines such as "Tums" contain calcium Both limestone and dolomite have a large concentration of calcium carbonate (CaCO3). Metamorphic Rocks. -little or no new crystal form, instead cystallize into a harder denser rock. Highest purity marble is often crushed to a powder, processed to remove impurities, and then used to make products such as Tums and Alka-Seltzer that are used for the treatment of acid indigestion. Most marble is made into either crushed stone or dimension stone. It is one of the most effective acid neutralization materials. Marble quarry at Carrara, Italy. impurities, it will be white in color. The study of metamorphic rocks (now exposed at the Earth's surface following erosion and uplift) provides information about the temperatures and pressures that occur at great depths within the Earth's crust. Metamorphic rock, any rock that results from the alteration of preexisting rocks in response to changing conditions, such as variations in temperature, pressure, and mechanical stress, and the addition or subtraction of chemical components. Marble has many color variances due to the impurities present at formation. Marble is a metamorphic rock that forms when limestone is subjected to the heat and pressure of metamorphism. Usually, marble contains other … The specimen shown above is about two inches (five centimeters) across. This process also occurs at convergent plate boundaries. No mineral change because original composition is simple - SiO2 They change existing minerals. Impurities are what gives marble … Limestone is mostly calcite or calcium carbonate, CaCO 3. Argillite. 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