摘要
李坝金矿床产于泥盆系浅变质细碎屑岩中,为一破碎带构造蚀变岩型金矿.矿体严格受断裂破碎带挂制.成矿物质主要来源于深部地层.成矿热液来源于大气降水、变质水和岩浆水.中川岩体为成矿提供了热动力条件.
Liba gold deposit in Lixian, Gansu Province, belonging to altered fracture zone type, is hosted in Devonian epi-metamorphic fine clastic rocks. The ore bodies are strictly controlled by faults. The ore-forming matters are derived mainly from deep strata. The ore-forming fluid is a mixture of meteoric water, metamorphic water and magmatic water. The Zhongchuan granite serves as the heating dynamics for metallization.
出处
《地质与资源》
CAS
2005年第4期265-267,271,共4页
Geology and Resources
关键词
金矿床
地质特征
成因
甘肃省
李坝
gold deposit
geological feature
genesis
Gansu Province
Liba
