(Vol. 30, No. 2  June 2011)

 CONTENTS

Biomarker geochemistry of marine organic matter in the Hushan and Chaohu areas, Lower Yangtze region ……………………………………………CHANG Chao et al. (145)

Mineralogy, M-type tetrad effect and radioactivity of altered granites at the G. Abu Garadi shear zone, central Eastern Desert, Egypt  ……………………… El Nahas H.A. (153)

Early Paleozoic adakite in the Liuyuan area from the Beishan orogenic belt, NW Gansu Province: Petrogenesis and implication for tectonic setting … LI Yanjun et al. (165)

Mineralogy, geochemistry, radioactivity and environmental impacts of Gabal Marwa granites, southeastern Sinai, Egypt ……………………………… El Feky M.G. et al. (175)

Interactions between Bacillus mucilaginosus and silicate minerals (weathered adamellite and feldspar):　 Weathering rate, products, and reaction mechanisms……………………………………………………………………………………………………………………………………………………… MO Binbin and LIAN Bin (187)

Petrogenesis of granitic rocks of the Jabal Sabir area, South Taiz City, Yemen Republic…………………………………………………………………Rasmy I. El-Gharbawy (193)

Zircon U-Pb ages and Hf isotopic characteristics of the Dehe biotite monzonitic gneiss pluton in the North Qinling orogen and their geological significance…………………………………………………………………………………………………………………………………………………………………WANG Fei et al. (204)

Elemental profile of black shales …………………………………………………………………………………………………………………………………KASHIF Naeem et al. (217)

Application of bacteria-plant association in biodegradation of diesel oil pollutants in soil………………………………………………………………………… LU Sijin et al. (220)

Mineralogy and geochemistry of Nb-, Ta-, Sn-, U-, Th-, and Zr-bearing granitic rocks from Abu Rusheid　shear zones, South Eastern Desert, Egypt……………………………………………………………………………………………………………………………………………………………………………… Ali M.A. et al. (226)

Nitrogen in Chinese coals………………………………………………………………………………………………………………………………………………… WU Daishe et al. (248)

A study on hydrocarbon generation potential of deep source rocks and gas sources in Changling Fault Depression, Songliao Basin…………………………………………………………………………………………………………………………………………………………………………… ZAN Ling et al. (255)

Spectroscopic and macroscopic studies of the adsorption of arsenate and phosphate on polynuclear　aluminum organomineral precipitates…………………………………………………………………………………………………………………………………………………… LIU Jing and ZHAO Fenghua (264)

Geochemistry and geodynamic significance of the rare-earth mineralized Paleoproterozoic Longwangzhuang　granite on the southern margin of the North China Craton…………………………………………………………………………………………………………………………………………………………………………BAO Zhiwei et al. (270)