plant crusher for railway stone granite,
Crushed Stone: Line, Granite, Traprock and More - Geology
Crushed stone is the mineral commodity upon which everything is built. . granite, trap rock, scoria, basalt, dolomite, or sandstone; crushing the rock; and .. In 2012, the average cost of crushed stone in the United States at the plant site . have lowered costs per ton-mile; however, very few quarries are on rail lines or rivers.