%0 Journal Article %T A Stud y on Regional Structure Stress Fields of Mesozoic-Cenozoic Era in Qing River Basin,West of Hubei
鄂西清江流域中新生代区域构造应力场研究 %A WU Shu-ren %A CHEN Qing-xuan %A MEI Ying-tang %A XU Rui-chun %A SHI Ling %A LIU Zi-zhong %A
吴树仁 %A 陈庆宣 %A 梅应堂 %A 徐瑞春 %A 石玲 %A 刘子忠 %J 地球学报 %D 1995 %I %X On the basis of analysis of regional structure outline and structure evolution sequence,regionalstructure stress fields of Mesozoic-Cenozoic era in Qing River basin were divided in to the major Yan-shanian,the major Himalayan and present structure stress fields.Stress directions of these stress fieldswere determined from striation measurment on fault planes,analysis of conjugate joints and mi-crostructures near faults,mechanism analysis of earthquak e focus and information of in situ stressmesurement.Also the differentical stress was estimated by use of the criterion on rock fracturing,cal-cite twin lamellae and dislocation density in deformed mineral.Then,according to the results of finiteelement modelling,a discussion was made on the basic characters and the evolution process of Meso-zoic-Cenozoic era regional stress fields,which provides the basis for assessing the crustal stability of the area. %K Qing River basin %K structure stress fields %K the major Yanshanian phases %K the majorHimalayan phases
清江流域 %K 构造应力场 %K 燕山期 %K 区域构造 %K 鄂西 %U http://www.alljournals.cn/get_abstract_url.aspx?pcid=E62459D214FD64A3C8082E4ED1ABABED5711027BBBDDD35B&cid=621CF755B1A341E5&jid=1DF69A47DE80569EC8F859DF61571180&aid=8A5BBB6F6CE57A269489C674CBC4B2C3&yid=BBCD5003575B2B5F&vid=7801E6FC5AE9020C&iid=0B39A22176CE99FB&sid=5E25104E99903E8A&eid=70AC2EF7F2065E09&journal_id=1006-3021&journal_name=地球学报&referenced_num=5&reference_num=0