■
LIMESTONE◇ Limestone is the
aggregate of calcium carbonate,
carbonate of calcium and
magnesium or a
mixture of the two.◇ Limestone also contain small quantities of
silica, alumina, iron-oxides, Phosphorus and
sulphur.
◇ Limestone is used in
cement, iron and
steel and
chemical industries.□ Distribution◇
Rajasthan – Ajmer, Alwar, Bikaner, Chittaurgarh, Dungarpur, Kota, Nagaur, pali.
◇
MP – Betul, Damoh, Jabalpur, Rawa, satna, Sagar.
◇
Andhra Pradesh – Cuddaph, Guntur, Kurnool, Krishna.
◇
Chattisgarh – Bastar, Bilaspur, raigarh.
◇
Karnataka – Belgaum, Bjapur, Chitradurga, Mysore, Uttar – kannad, tumkur.
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@upsc_geography_notes