palaeostructure मीनिंग इन हिंदी

Results obtained in the research are : l . by the virtue of palaeostructure analysis and method of balanced cross sections , we have studied the formation and development history of qianmiqiao buried hills , and indicate that the formation of ordovician buried hills can be mainly divided into four periods , namely , stable uplift period , fold - thrust period , block - fault tilting period , and thermal subsidence and depression period