Tin content and petrochemical feature suggest that the granites and part of vein rocks are tin-bearing.
含锡量及岩石化学特征参数表明：矿田地洼花岗岩为含锡花岗岩，部份脉岩为含锡岩脉。
2
The mechanism of rock-forming processes of infiltration vein-like skarn in Gejiu tin deposit is analyzed using multi-phase and multi-component equilibrium theory.