Question

How many working iron ore mines are there in Karnataka?
A.50
B. 60
C. 75
D. 90

Answer 1

Hint: The iron mineral is the crude material for the iron and steel industry. Karnataka has tremendous stores of magnetite and haematite grade iron metal. Karnataka remains close to Odisha in the creation of iron minerals in India.

Complete answer:
Karnataka has rich and shifting mineral assets. Among them, iron metal, gold, manganese, limestone, copper, bauxite, chromite, mica, asbestos, and stone are the significant minerals.
There are 75 working iron mineral mines in the state. Karnataka has huge stores of magnetite and haematite grade iron metal. Karnataka remains close to Odisha in the creation of iron metal in India. Iron metal is conveyed in the locale of Ballari, Chikkamagaluru, Bagalkot, Chitradurga, Tumakuru, Shivamogga, Dakshina Kannada, Uttara Kannada, and Gadag. Ballari has rich stores and they are fundamentally found in Hospet and Sandur regions.
Manganese metal is for the most part found in oxide structures in sedimentary and transformative rocks. It is utilized as a composite in the assembling of steel to build its hardness. It is additionally utilized in the assembling of synthetic substances, electrical industry, compound composts, calico printing, and paints. Subsequently, it is known as the handyman. Stores of manganese minerals are a lot in Karnataka, and records for about 27% of the all-out stores in the country. Karnataka ranks second after Odisha in the creation of manganese.

Hence, the correct answer is option (C)

Note: Karnataka involves the primary situation in the creation of goldin India. It produces 80% of the all-out gold in India. Thus Karnataka is known as the Land of Gold.
There are four significant mines in the Kolar Gold Fields. They are Nandidurg, Urigaum, Champion Reef, and Mysore Mines. Among these, Champion Reef is the most profound gold mine (3217 meters.).