Abstract: By means of measuring the vitrinite reflectance of the anthractive from nearly thirty mines in the Lianyuan depression, Hunan province, this paper researches their various characters and distribution regularity. Meanwhile, summing-up themand the material of geology, air magnetic survey and remote sensing, author considers further that there is a basementblind fault of the pressure-shearing nature in northwest direction beneath the strata of the opper palaeogoic erathem.