A Rock Marble

Marble marble is a metamorphic rock formed when limestone is exposed to high temperatures and pressures.

A rock marble. Form of it when limestone buried deep in the older layers of earth s crust is subjected to heat and pressure from thick layers of overlying sediments. Marble is a metamorphic rock composed of recrystallized carbonate minerals most commonly calcite or dolomite marble is typically not foliated although there are exceptions in geology the term marble refers to metamorphosed limestone but its use in stonemasonry more broadly encompasses unmetamorphosed limestone. Commercially it includes all decorative calcium rich rocks that can be polished as well as certain serpentines verd antiques. In its pure form marble is a white stone with a crystalline and sugary appearance consisting of calcium carbonate caco 3 usually marble contains other minerals including quartz graphite pyrite and iron oxides these minerals can give marble a pink brown gray green or variegated coloration.

Marble forms under such conditions because the calcite forming the limestone recrystallises forming a denser rock consisting of roughly equigranular calcite crystals. Home rocks metamorphic rocks uses of marble. The many uses of marble used in monuments crushed stone cosmetics pharmaceuticals and more. Marble is commonly used for sculpture and as a building material.

It is composed primarily of the mineral calcite caco 3 and usually contains other minerals such as clay minerals micas quartz pyrite iron oxides and graphite under the conditions of metamorphism the calcite in the limestone recrystallizes to form a rock that is. Marble is a metamorphic rock formed when limestone is subjected to high pressure or heat. Petrographically marbles are massive rather than thin layered and consist of a. The variety of colours exhibited by marble are a consequence of minor amounts of impurities being incorporated with the.

Marble is a metamorphic rock that forms when limestone is subjected to the heat and pressure of metamorphism. The taj mahal is one of the most beautiful and famous buildings in the world.