Comparing with the granitoid from jiaodong guojialing in mineralogy , the minerals in the granitoid in nimu - qushui granitoid crystallized in the environment of oxidization , the granitoid has a characteristic of rich volatile components and a high content of alkali , the rock - forming minerals and accessory minerals have a characteristic of i - type granite , and the granite shows a characteristic in favor of an and cu ore formation 通過與膠東郭家?guī)X地區(qū)的花崗巖類的礦物學(xué)進(jìn)行對比,可知本區(qū)花崗巖類礦物結(jié)晶時(shí)處于氧化狀態(tài),具有富含揮發(fā)分的特征,堿質(zhì)含量高,造巖礦物及副礦物表現(xiàn)出型花崗巖特征,具有殼?;煸次镔|(zhì),表現(xiàn)出有利于金、銅礦形成的花崗巖類的礦物特征。