INDIAN GEOGRAPHY

MINERAL AND ENERGY RESOURCES IN INDIA

MINERALS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Limestone is mostly found in which type of rocks
A
Igneous rocks
B
Metamorphic rocks
C
Sedimentary rocks
D
Deformed Conglomerate
Explanation: 

Detailed explanation-1: -Hence, In the type of rock where limestone is found is given as Sedimentary rock.

Detailed explanation-2: -Limestone (calcium carbonate CaCO 3) is a type of carbonate sedimentary rock which is the main source of the material lime. It is composed mostly of the minerals calcite and aragonite, which are different crystal forms of CaCO 3. Limestone forms when these minerals precipitate out of water containing dissolved calcium.

Detailed explanation-3: -Modern limestones are especially common in reefs, tidal flats, lagoons, and windblown dunes developed upon shallow carbonate platforms or “banks” isolated in some manner (by distance, by ocean currents) from terrigenous source areas.

Detailed explanation-4: -The most common chemical sedimentary rock is limestone. Composed mostly of the mineral calcite (CaCO3), limestones are usually formed by biochemical processes in shallow seawater. Coral and algae are especially important limestone builders.

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