| 1. | The nickel deposits in china can be sort into three kinds , i . e . the ultra - basic related , ultrabasic - basic related , and neutral - basic related , of which present obvious specialty on magmatic origin and geochemistry 特别是将我国与侵入岩有关的镍矿床分为与超基性岩有关、与超基性?基性岩有关和与中性?基性岩有关的三类,表现出明显的岩浆岩成矿专属性和地球化学专属性。 3 |