Where does iron mines are found?

Which of the following is a non metallic mineral?

Which mining is used for obtaining cassiterite?

Which is a bright yellow non metallic mineral?

Which is the largest producing country of gold?

Which non metallic mineral is used to make thin sheets?

Which type of mining is closer to the surface?

In which form does minerals are mixed with rock materials?

Which mines are prone to catch fire?

Which country has large reserves of bauxite?