Briefly describe the extraction of minerals?

Question: Briefly describe the extraction of minerals?

The extraction of the solid, liquid and gases(gold, silver, Coper, iron, coal, petrol etc)from the earth by the using of different-different technique is known as extraction process. mainly 3 types of minerals extraction process (1)mining.(2) drilling.(3)quarrying, mining extraction process also consists two part first is open cast mining and  second is shaft mining. the extraction process cause very harmful effects on the environment such as water flood, earth crackers etc.