1地质概况彩虹铜多金属矿床位于塔里木南天山库米什凹陷东部库米什东背斜东段南翼,矿区北为哈尔克—巴仑台早古生代沟弧带,南为塔里木板块塔里木北缘活动带南天山晚古生代陆缘盆地。矿区出露地层下泥盆统阿尔彼什麦布拉克中亚组是一套浅变质的海相碎屑岩、碳酸盐岩及酸性火山岩 1 Geological Survey The Rainbow Copper Polymetallic Deposit is located in the southern wing of the Eastern Kumish East anticline in the east of the Kushish Sag in the southern Tianshan Mountains. The northern part of the mine is the Paleozoic ditch of the Halkar-Balunai Paleozoic belt and the south is the northern margin of Tarim in the Tarim plate Belt South Tianshan Late Paleozoic continental margin basin. The Lower Devonian Albersiambulac Central Asia Formation, a sub-metamorphic marine clastic rock, carbonate rock and acidic volcanic rock