Cover Story
Ore characteristics of Muli antimony deposit in Yunnan. The South China antimony ore belt, composed of numerous large to super- large pure stibnite deposits, is China’s most important an-timony metallogenic belt and even in the world. Some deposits within the same ore field show a “quartz + stibnite” mineral assemblage, while some show a “calcite + stibnite” mineral assem-blage. Conversely, when these assemblages co-exist in the same deposit, “quartz + stibnite” is usually located in the upper part, and “calcite + stibnite” in the lower part. This model is first named as the “two-story binary metallogenic model” in this study. In 2015, we proposed finding a second prospecting space for deep “cal-cite + stibnite” type antimony ore bodies in the Muli antimony mine. This idea has been verified in recent tunnel explorations, resulting in ~50 000 t of antimony ore metal reserves. The research achievement was led by Professor WANG Jiasheng, Kunming University of Science and Technology. For details, see pp. 502-514 of this issue. (Photo by WANG Jiasheng)
