The Cambro-Ordovician stratigraphy in the core of the Tapashan, in northeastern Szechuan is dealt with in this paper. The data were collected by the geological
In conclusion, the chronological classification should base upon the followiag three bases:1. Cycle of Sedimentation2. Diastrophism3. Faunal AssemblageThe old
In March,1944,while carrying on the geological reconnaissance in theHoso~1-Tokson~2 area,the writers had an opportunity of spending a fewdays in the vicinity o