Solution:The Khetri belt of Rajasthan State is famous for copper mining. It is located in the Jhunjhunu district of Rajasthan State.Khetri is situated at the foothills of the Aravalli Range, which hosts copper mineralization, giving rise to a 80 km long metallogenetic province from Singhana in the north to Raghunathgarh in the south, popularly known as Khetri Copper Belt.
The belt comprises of tightly folded Proterozoic metasediments that rest over basement gneisses and is a part of the North Delhi fold belt.
Prominent deposits of the belt are: Khetri, Kolihan, Banwas, Chandmari, Dhani Basri, Baniwali Ki Dhani (Neem Ka Thana, Rajasthan).
Other deposits are: Dholamala, Akwali, Muradpura - Pacheri (Jhunjhunu, Rajasthan), and Devtalai (Bhilwara, Rajasthan).