A stamping mill is a type of mill that crushes material by pounding. Other synonyms for stamping mill include stamp mill, battery, and ore crusher. From historical documents, some additional terms used for stamping mill include stamper battery, stamping battery, bullock battery, and Californian stamp mill. Other variations in terminology can depend on location and industry. For example, in the gold and silver mining industry, one may hear the term gold mill or silver mill used interchangeably with stamping mill. Regardless of the terminology used, all of these terms refer to a machine that is used for crushing rock or ore in order to extract valuable minerals from them.