mm2h tsg sweethome tourism consultancy

MM2H TSG SWEETHOME TOURISM CONSULTANCY

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Limestone

Limestone is a carbonate sedimentary rock that is often composed of the skeletal fragments of marine organisms such as coral, foraminifera, and mollusks. Its major materials are the minerals calcite and aragonite, which are different crystal forms of calcium carbonate (CaCO3). A closely related rock is dolomite, which contains a high percentage of the mineral dolomite, CaMg(CO3)2. In old USGS publications, dolomite was referred to as magnesian limestone, a term now reserved for magnesium-deficient dolomites or magnesium-rich limestones.

About 10% of sedimentary rocks are limestones. The solubility of limestone in water and weak acid solutions leads to karst landscapes, in which water erodes the limestone over thousands to millions of years. Most cave systems are through limestone bedrock.

Limestone has numerous uses: as a building material, an essential component of concrete (Portland cement), as aggregate for the base of roads, as white pigment or filler in products such as toothpaste or paints, as a chemical feedstock for the production of lime, as a soil conditioner, and as a popular decorative addition to rock gardens.

SPECIFICATION OF LIMESTONE

Sl. No Parameters/Composition Percentage
01. Moisture 2% Max
02. Size 25 mm Max
03. Calcium Oxide (CaO) 47.6% Min
04. Silicon di Oxide (SiO2) & Insoluble Residue (IR) 4% Max
05. Purity of Limestone (CaCO3) 85% Min