Which is the largest producing country of gold?

Which type of mining is closer to the surface?

Where does copper mines are found?

Which mineral is used to make fire proof materials?

Which method is used to extract oil and natural gas?

Which mining is used for obtaining cassiterite?

Where does iron mines are found?

Which type of mining involves the digging out of minerals?

Which is a bright yellow non metallic mineral?

In which form does minerals are mixed with rock materials?