Five-Stage Model of the Palaeozoic Crustal Evolution in Xinjiang LIU Dequan,TANG Yanling and ZHOU RuhongXinjiang Bureau of Geology and Mineral Exploration and Development,No. 2 W. Karamay Rd.,Urumqi,Xinjiang 830000 1998,72(4) [摘要 (1354) ] [PDF 7.22 M (1307) ] Meso-Cenozoic Evolution of the Tanlu Fault and Formation of Sedimentary Basins WANG Weifeng,JIN Qiang Department of Resources,University of Petroleum,Dongying,Shandong 257062and MA Zongjin Institute of Geology,Seismological Bureau of China,Qijiahuozi,Beijing 100029 Zhu Xiling 1998,72(4) [摘要 (1391) ] [PDF 7.83 M (1522) ] Spatial Distribution and Ages of Alkaline Intrusive Rocks in China and Related Tectonics YUAN Zhongxin and BAI GeInstitute of Mineral Deposits,Chinese Academy ofGeological Sciences,26 Baiwanzhuang,Beijing 100037 Fei Zhenbi 1998,72(4) [摘要 (1298) ] [PDF 12.83 M (1441) ] The Discovery of Magnesioferrite from Au (Fe, Cu) Magnesian Skarn Deposits and Study of the Magnesioferrite-Magnesiomagnetite Series ZHAO Yiming,ZHANG Yinan,BI Chengsi and GUO LiheInstitute of Mineral Deposits,Chinese Academy of Geological Sciences,26 Baiwanzhuang Rd.,Beijing 100037 1998,72(4) [摘要 (1315) ] [PDF 5.32 M (1589) ] Chaos Dynamic Behaviour of Mineralization MA Tuhua,ZHU Xingsheng and LI Changjiang Institute of Geology and Mineral Resources of Zhejiang Province,489 Tiyuchang Road,Hangzhou,310007 1998,72(4) [摘要 (1133) ] [PDF 3.85 M (1358) ] Distribution Patterns of Pentacyclic TriterpenoidHydrocarbons in Low-Mature Source Rocksfrom Eastern China HOU Dujie,ZHANG Linye and WANG Tieguan Research Centre for Organic Geochemistry,Jianghan Petroleum Institute,Jingzhou,Hubei434102 Applied Geochemistry Section,Dept. ofGeosciences,China University of Petroleum,Changping,Beijing 102200 Geochemistry Research Section,Shengli Petroleum Geological Sciences Institute,Shengli Petroleum Administration Bureau,Dongying,Shandong 257015 1998,72(4) [摘要 (1131) ] [PDF 5.03 M (1380) ] Accelerated Exhumation During the Cenozoic in the Dabie Mountains: Evidence from Fission-Track Ages WANG Guocan and YANG Weiran Faculty of Earth Science,China University ofGeosciences,Wuhan,Hubei 430074 1998,72(4) [摘要 (1380) ] [PDF 6.69 M (1479) ] The Loess in the Qinling Mountains and Its Records of Palaeoenvironmental Changes LEI Xiangyi and YUE LepingLoess Research Section,Department of Geology,Northwest University,Xi'''' an 710069,Shaanxi 1998,72(4) [摘要 (1130) ] [PDF 7.50 M (1408) ] Biota and Organic Matter in the Late Sinian and EarlyCambrian Black Rock Series of West Hunan andIts Significance for Metallization CHEN Xiaohong and WANG XiaofengYichang Institute of Geology and Mineral Resources,CAGS,37 Gangyao Rd.,Yichang,Hubei 443003 1998,72(4) [摘要 (1186) ] [PDF 5.34 M (1454) ] Oncolites of the Lower Permian ChuanshanFormation in South China and Their Geologicaland Economic Significance JIANG Yuehua,YUE Wenzhe and YE ZhizhengNanjing Institute of Geology and Mineral Resources,534 East Zhongshan Road,Nanjing,210016 1998,72(4) [摘要 (1228) ] [PDF 7.76 M (1383) ] The Younger Dryas Event and Holocene Climate Fluctuations Recorded in a Stalagmite from the Panlong Cave of Guilin Stein-Erik LAURITZEN 1998,72(4) [摘要 (1508) ] [PDF 7.36 M (1278) ] Abstract of Acta Geologica Sinica (Chinese Edition) Vol. 72, No. 4,1998 1998,72(4) [摘要 (1070) ] [PDF 2.28 M (1182) ] ACTA GEOLOGICA SINICAContents of Vol. 72,1998 1998,72(4) [摘要 (895) ] [PDF 1.87 M (1060) ]