a comprehensive study on the evaluation of gossan type gold deposits in the middle-lower yangtze area was made by using geological, geochemical and mathematical statistics methods.
应用矿床地质学、元素地球化学、数理统计等多种方法对长江中下游地区铁帽型金矿床进行了评价。
the separation of iron and gold is solved to a gossan type gold ore through 「direct reduction with coal-magnetic separation-cyanidation process」.