Orogenic gold deposits, occurring south of the EW-trending Kushui fault, in the northern margin of the late Palaeozoic Aqishan-Yamansu island arc. The main deposits in the belt include, from east to west, Kanggur, Matoutan, Dadonggou, Xiaojianshan and Xifengshan. They are mainly hosted in Lower Carboniferous volcanic rocks, and controlled by ductile shear zones and syn-tectonic intrusions. The ore bodies are composed of altered gold-bearing rocks or gold-bearing sulphide-quartz veins.
References
- Lianchang Zhang, Kezhang Qin, and Wenjiao Xiao (2007): Multiple mineralization events in the eastern Tianshan district, NW China: Isotopic geochronology and geological significance. Journal of Asian Earth Sciences (in press).
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