There are rhythmic skarn zoning, mainly magnesian skarns and calcic skarns, in contract metasomtites between Yanshanian granites and Triassic carbonate rocks in the Tangziwa deposit, Gejiu.

• 从地质产状、矿物组合和岩石化学成分等方面探讨了个旧塘子凹接触带不同类型夕卡岩的特征。