Ims sand dredging / sand mining equipment images. sand mining / dredging equipment, a model hp versidredge pumps sand out of a mine in florida. the model hp dredger can pump sand up to 3,500+.Iron ore is a mineral which is used after extraction and processing for the usually contain fe2o3 (70 % iron, hematite) or fe3o4 (72 % iron. magnetite). crusher, mobile . brazil iron ore crushing plant ...