Explanation:

Karnataka has 166,000 ha of area under mulberry cultivation. Karnataka holds the top rank in producing raw silk, coffee, and sandalwood oriented goods. Karnataka forms a part of the Deccan Plateau, it lies on the western edge of the plateau. The predominant soil in the eastern tract of Karnataka is the red soil. Laterite soils occur in the western parts in the districts of Uttara Kannada, Dakshina Kannada, Shimoga, Hassan and Mysore. They support tea, coffee, rubber and coconut plantations. The traditional soil groups of Karnataka and the soils of the major landforms of Karnataka are given below. The main minerals found in Karnataka are gold, silver, copper, iron-ore, manganese, limestone, dolomite, asbestos, bauxite, chromite, kaolin and granite rock. More than 90% of the gold produced in India is produced in the southern part of Karnataka. Kolar Gold Fields (in Kolar District) and Hatti Gold Mines (in Raichur District) are among the oldest gold mines in the world. Besides these, gold reserves have been found in Dharwad and Chitradurga also. Raichur is also known for its silver deposits. Karnataka also has the largest reserves of Manganese ore in the country.