摘要
The Journal is a geological periodical published annually in English by China University ofGeosciences.Its purpose is the dissemination of information on all branches of geology and associ-ated technology utilized in the exploration of earth resources.We welcome articles on relevant sub-jects from both domestic and international scientists.All papers are reviewed by two or more refereesfor scholarly presentation,technical merit,quality of scientific content and the utility of the results forpractising geologists.The editorial committee reserves the final decision concerning the acceptance of asubmission.