If you are referring to the current news story about the trapped miners, they are in a gold and silver mine.
copper !
Copper
Nitrate deposits, the largest in the world, were once mined in Chile. Today, copper is the primary metal mined in Chile, accounting for about 30% of the World's production of the metal.
Ore is mined
no
Aluminum
Nitrates used to be the major product mined in the Atacama. Today it is copper.
copper
There is no way for us to answer- you did not say WHAT element you are asking about. Please repost a COMPLETE question, and we will try to get you a good answer.
Neptunium is an artificial element; it is not mined.
Do search on You tube. There are many videos of granite being mined.
copper