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Phase-controlled and gas-washing fractionations during the formation ofpetroleum reservoirs S. Aiguo et al. 108
Distribution and influence of iron phages on the physico-chemicalproperties of phyllosilicates M.S. Hassan and S.M. Salem 120
Geology, geochemistry and genesis of the Mazhuangshan gold deposit inHami, East Tianshan, Xinjiang, China C. Shizhong et al. 130
High precision thermal ionization mass spectrometric dating of coralsand its application to paleo-environmental study W. Zhaorong etal. 138
Experimental study on the effects of organic acids on the dissolution ofREE in the weathering crust of granite C. Binghui et al. 144
Environmental geochemistry of Swan Lake inlet, Rongcheng Bay, the YellowSea of China Y. Hongliang et al. 152
Study of metallogenic fluid sources of five gold deposits inZhangjiakou, China W. Junhao et al. 161
Origin of illites at Dexing Porphyry copper depost, Jiangxi province,East China: Implications for alteration zoning and ore-free formingfluid evolution J. Zhangdong et al. 167
Ocean ridge granite and its geochemical characteristics in westernQinghai-Xizang Plateau J. Zaohui et al. 177
An interpretation of the origin of distribution of C S. Yanhua and Z. Lifa 184
A correlation approach to the common Pb contribution to207Pb/206Pb ratios obtained by the zircon evaporationtechnique C. Fukun 189
