Water-Rock Interaction in Tarim Basin: Constraints from OilfieldWater Geochemistry Cai Chunfang, Mei Bowen, Li Wei and ZengFangang 289
The Microarea Composition of Garnet and Biotite from the Ji'an Groupin Tonghua Districtand Its Significance as an Indicator of Metamorphic P-T-t Path Lu Liangzhao, Jin Shiqin, Hu Daqian and Dong Yongsheng 304
Phlogopite-Amphibole-Pyroxenite Xenoliths in Langao, ShaanxiProvince, China: Evidence for Mantle Metasomatism Xu Xueyi, Huang Yuehua, Xia Linqi and Xia Zuchun 318
Organic Geochemistry of Lead-Zinc Polymetallic Deposits, NorthernGuangdong Li Zhaolin, Guo Hongzhong and Lie Lihong 330
The Texture, Mineral Assemblages and Origin of Metamorphic Peridotitefrom Kuda Ophiolit, Xinjiang Shen Buming, Zhou Yunsheng, Deng Wanming, Han Xiuling and ZhangRufan 336
Screening Effect of the Diffusive Boundary Layer in Sediments of LakeAha in the Suburbs of Guiyang City, Guizhou Province Wan Guojiang, Huang Ronggui, Pu Yong and Wan Xi 347
Tantalite in Suzhou Granite: Mineralogy and GeologicalImplications Wang Rucheng, Xu Shijin, Francois Fontan and Lin Chengyi 353
Symplectite of Pyrite and Magnetite in the Massive Sulphide Ore ofthe Mashan Mine, Anhui Province Gu Lianxing, Zhang Wenlan, Yin Lin and Zhou Bin 359
Nd-Sr Isotope Geological Study on the Age of Armantai Ophiolite,Xinjiang, China Huang Xuan, Jin Chengwei, Sun Baoshan, Pan Jun and Zhang Renhu 363
Simulating Experiments on Enrichment of Gold by Bacteria and TheirGeochemical Significance Zhang Jingrong, Lu Jiangjun, Zhai Jianping and Yang Fan 369
Mode of Occurrence of Gold in Micro-Disseminated Strata-Bound Sb-AuDeposits, Qinling Region, China Zhang Fuxin 374
