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Whether for a kitchen countertop or a classic sculpture, marble is an elegant material used to add art and life to a space. As you look for marble countertops in Kennesaw, GA, for your home, consider the fascinating truth of how this lovely rock is made. Just Add Heat and Pressure Marble is a metamorphic rock. If you remember middle school science, then you’ll recall a metamorphic rock is the kind that forms when geologic materials are subjected to extreme heat and pressure. They usually form along fault lines of tectonic plates where the earth is doing some shifting and stirring up that heat and pressure. Mix It Up Marble is specifically made of limestone that’s subjected to this process, and is made up of calcite and a combination of clay minerals, micas, quartz, pyrite, iron oxides, and graphite. Depending on the combination of these materials, different designs and coloration appear in the resulting marble. Calcite Progression The calcite in the limestone material usually starts out as lithified fossil material and biologic debris. Lithified fossils are essentially old fossils that have been put under their own amount of heat and pressure, causing the moisture to get sucked out of them and pushing them into more compressed shapes and forms from their original state. As the metamorphic process progresses under high heat and pressure, the calcite crystals expand and then recrystallize, which obscures from view some of the other original elements in the rock. Those smaller bits are where those swirls in your countertop come from. Fascinating, isn’t it? Marble is formed through a long, intricate process that's completely natural to the Earth's life cycle. Now that you know just how refined marble really is, you’re more than prepared for those marble countertops in Kennesaw, GA.
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