There are three genetic types of iron ore deposits in Minyuearea,ie.Sedex,skarnized sedex and leached sedex types.

• 闽粤地区铁矿床存在三种成因类型：海底热液喷气沉积型、夕卡岩化海底热液喷气沉积型和风化淋滤海底热液喷气沉积型。