20112005 Cai Guogang(College of Resources and Safety,China University of Mining Technology,Beijing 100083,China);Tong Hengmao Analysis on Fracture Potential for Different Types of Rocks in Archean Buried Hill:A Case Study of Liaohe Western Sag(Journal of Geomechanics,ISSN1006-6616,CN11-3672/P,16(3),2010,p.260-270,6 illus.,2 tables,15 refs.)Key words:rock mechanics,cracks,Liaohe Plain Based on a large number of rock mechanics experiments,core fracture observation,imaging logging data,and oil field production practices,the fracture developmental potential for different types