摘要
The Huchuan-Hezhou-Zhongshan W-Sn-polymetallic metallogenic province, located in northeastern Guangxi, is an important unit of the Nanling W-Sn-polymetallic metallogenic belt. The metallization pattern and ore metal association of the deposits were controlled by the intrusion depth of the fine-grain granite. The deposits are obviously zonated with Sn mineralization at the upper parts and W mineralization beneath the former. Deep sourced fluids derived from mantle may participate in the ore-forming processes. The siliceous and calcareous interlayers in the sandstone of middle Devonian Yujiang Formation and limestone of Donggangling Formation controlled the Sn mineralization and distribution of the Sn orebodies.