摘要
In Sandu- Libo area of south Guizhou,thick mud rock composition( Zhalagou formation) with rich OM deposited in Meishucun- Qiongzhusi period of Cambrian,this is one of important target strata of shale gas in Guizhou. According to the two profiles in Zhalagou formation,the study shows these features: thick black mud rock,high organic carbon,high grade of maturity and high content of brittle mineral,the geological condition of shale gas is normal- good.