Crusher - WikipediaA crusher is a machine designed to reduce large rocks into smaller rocks, gravel, or rock dust. . Throughout most of industrial history, the greater part of crushing and mining part of the process occurred under .. Mining operations use crushers, commonly classified by the degree to which they fragment the starting material,.crushing and mining operations,Crushers and Equipment Technology in Mining | Crushers .Crushing is the first step of mineral processing where the ore/rocks from the . In most of the operations primary stage is performed at the mine site (surface or.
crushing and mining operations