ore crushing large

    Iron Ore of Vietnam, a Valuable Mineral Resource | ,  · The Mesabi Iron Range is an elongate trend containing large deposits of iron ore, and the largest of four major iron ranges in the region collectively known as the Iron Range of Minnesota. Discovered in 1866, it is the chief iron ore mining district in the United States. The district is located in northeast Minnesota, largely in Itasca and ...Stamp mill,  · As the cam moves from under the stamp, the stamp falls onto the ore below, crushing the rock, and the lifting process is repeated at the next pass of the cam. Each one frame and stamp set is sometimes called a "battery" or, confusingly, a "stamp" and mills are sometimes categorised by how many stamps they have, i.e. a "10 stamp mill" has 10 sets.Iron ore: Confounding the expectations of experts | Edison,  · Iron ore extraction uses traditional surface, or open pit, mines. Pit crushing machines then pulverise the ore and separate impurities like sand and clay. The crushed ore must then be purified/concentrated to increase the proportion of iron in a process of