What is limestone?

[merehan]

Definition of limestone
Limestone is a white or gray rock used in building materials and cement industries. It is a sedimentary rock consisting of calcium carbonate, which comes in the form of calcite or aragonite. This stone may contain large amounts of magnesium. Carbonate - dolomite, and includes many minor components such as clay, iron carbonate, pyrite, quartz, and feldspar. ), and have a granular texture ranging in grain size from 0.001 mm to visible particles, and these grains consist of microscopic fragments of fossil animal shells.

limestone properties
Most of the limestone is formed from the deposition and settlement of the skeletons of marine invertebrates.
The limestone deposits are of considerable thickness, and the limestone is used as a flux for the extraction of iron, as a component of Portland cement, as a source of lime, and as a building and ornamental stone.
Marl, olite, dolomite, chalk, and marble are important types of limestone.

limestone sites
Limestone is formed in surface, calm and warm marine waters, and this type of rock can be found between latitudes 30 degrees north and 30 degrees south of the latitude of the globe, and this stone is found in the Caribbean Sea, the Indian Ocean and the Gulf. Mexico and the Persian Gulf. This type is found in caves all over the world, and China, Russia, Japan, the United States, India, Germany, Brazil, Mexico and Italy are among the largest producers of this stone in the world, and the largest quarries that produce this stone are located in the state of Michigan in the United States. united.

How is limestone formed?
Limestone was formed in the water by accumulating calcium carbonate deposits with skeletons of previous life forms that died in the ocean, and mixed with other rock deposits over time.
Limestone is formed by the process of evaporation, as this process occurs through the seepage of water droplets on the walls of the caves and then travels through the fractures, then this water evaporates, leaving behind calcium carbonate that forms the limestone.

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