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Polymetamorphism of the Variscan basement of the Moldanubian Black Fores(Germany) documented in zircon and garnet minerals from gneisses Ch. Fukun 107
Evidence of multi-stage hydrocarbon charging and biogradation of theSilurian asphaltic sandstones in the Tarim Basin, China L. Luofu 120
Fluid inclusions in the gold-bearing quartz veins at Um Rus area,Eastern Desert, Egypt M. El Tokhi and A. El Muslem 131
Effects of biogradation on the distribution of alkylcarbazoles in crudeoils Z. Chunming et al. 140
Tectonic subdivision of Dabie orogenic belt, Central China: evidencefrom Pb isotope geochemistry of late mesozoic basalts K. Shaoping and Z. Benren 147
Hydrogeochemical simulation of water-rock interaction under water floodrecovery in Renqiu oilfield, Hebei Province, China F. Qiyan and H. Baoping 156
Geochemical studies of sodium-enriched metavolcanite series in the areaof Longbohe copper deposit, Yunnan Province, SW China: Nd, Sr and Pbisotopic characteristics and chronology C. Xiangyang et al. 163
Hydrothermal redistribution of rare-earth elements in Pingxiang Dacite,Guangxi G. Shangyi et al. 170
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