摘要
20110866 Bao Hanyong(State Key Laboratory of Marine Geology,Tongji University,Shanghai 200092,China);Han Guangmin Clay Mineral Analysis of the Early Triassic Tempestites,Lower Yangtze Region(Journal of Jilin University,ISSN1671-5888,CN22-1343/P,40(4),2010,p.947-954,5 illus.,1 table,19 refs.,with English abstract)Key words:tempestite deposit,clay minerals,Yangtze Region20110867 Chen Xiaojun(Key Laboratory of Exploration Technologies for Oil and Gas Resources,Yangtze University,Jingzhou 434023,China);Luo Shunshe Study on Sedimentary Facies and Geochemical Features of Changlongshan Formation in Jibei Depression(Fault-Block Oil and Gas Fields,ISSN1005-8907,CN41-1219/TE,17(3),2010,p.270-273,3 illus.,3 tables,8 refs.)Key words:clastic rocks,sedimentary facies,lithogeochemistry,Hebei Province After observing field profile,studying slices and analyzing the lithology and facies indices of Changlongshan Formation,it is considered that its scope of transgression spreads rapidly and forms a set of higher-maturity littoral-neritic facies sedimentary rocks.Changlongshan Formation can be divided into