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When limestone is heated under pressure, it forms marble. This process, known as metamorphism, occurs when the mineral calcite in the limestone recrystallizes into the interlocking calcite crystals that compose marble.
When heated, limestone forms two different things. It forms both calcium oxide and carbon dioxide. This occurs because limestone is made up of calcium carbonate.
Any type of rock, such as sandstone, shale, limestone, or granite, can be heated and squeezed under high pressure to transform into a metamorphic rock. The intensity of heat and pressure will determine the specific type of metamorphic rock that forms.
The rock type, marble, is limestone that has been heated and put under pressure.
If limestone undergoes contact metamorphism, it will typically turn into marble. Marble forms from the recrystallization of limestone under high temperature and pressure conditions.
When quartz limestone has recrystallized, it becomes marble. Marble is a metamorphic rock that forms from the recrystallization of limestone under high pressure and heat, resulting in a harder and more durable rock with a crystalline structure.
Limestone transforms into marble through a process called metamorphism, which occurs when limestone is subjected to high temperatures and pressures over time. The heat and pressure cause the calcite crystals in limestone to recrystallize and grow larger, resulting in a denser, harder rock with a distinct crystalline structure and a variety of colors and patterns.
The original rock that was changed into marble by the addition of heat and pressure is likely limestone. Marble is a metamorphic rock that forms from the recrystallization of limestone under high heat and pressure conditions.
Limestone
Limestone is considered the parent rock of marble because marble forms from the metamorphism of limestone. Under heat and pressure, the mineral composition of limestone changes, resulting in the formation of marble. This transformation gives marble its distinct crystalline structure and unique appearance while retaining some of the original characteristics of limestone.
Amphibolite is a metamorphic rock. It forms when basaltic rock is heated to high temperatures under pressure. Without the added pressure the basaltic rock that would be yielded is green schist.
Marble is a metamorphic rock that forms from the recrystallization of limestone or dolostone under high pressure and temperature conditions. When limestone or dolostone undergoes metamorphism, the calcite or dolomite minerals recrystallize to form marble. Therefore, the primary rocks that change into marble are limestone and dolostone.