n.英安岩...

Gongpoquan porphyry - type copper deposit is existed in secondary dacite - porphyry and granite - porphyry bodies.公婆泉斑岩铜矿产于次英安斑岩和花岗斑岩体中....

dacite的音标：dacite的英式发音音标为：['dæsaɪt]dacite的美式发音音标为：['deɪˌsaɪt]...