Variation of hydrologic system in respect to desertification in arid area of northwest China　 　　CHEN Meng-xiong　<Abstract>　<PDF file>　(1)

Study of the spherioidal fossils in Weng'an biota and Kuanchuanpu biota　 　　LIU Yun-huan,LI Yong,SHAO Tie-quan,et al　<Abstract>　<PDF file>　(5)
Research into petrochemistry and metamorphic condition of eclogites on Shaliuhe, the north margin of the Qaidam Basin　 　　WANG Xin-Yu,LI Sheng-fu,YAN Quan-shu　<Abstract>　<PDF file>　(14)
Rediscussion of the mechanism of the northwest trending structures in the southern part of Helan Mountains　 　　ZHANG Jin,MA Zong-jin,Ren Wei-jun　<Abstract>　<PDF file>　(19)
Application of the geometry of fault-related folding to the southern Junggar Basin　 　　SHAO Yu,CHEN Wei,ZHANG Bo-you　<Abstract>　<PDF file>　(26)
Design of the ore prospecting system based on the integrated technology of GIS and ANN　 　　YANG Zhong-bao,PENG Sheng-lin,LI Chao-yan　<Abstract>　<PDF file>　(30)
Ore composition and hosting condition in the Jianchaling sulfide nickel deposit, Shaanxi province　 　　WANG Rui-ting,MAO Jing-wen,REN Xiao-hua,et al　<Abstract>　<PDF file>　(34)
Geological features and metallogenic model of hydrothermal superimposion (regeneration) gold deposits from Xiaguan to Erlangping in Henan　 　　WEI He-ming,ZHAO Guo-bin,JIAO Jian-gang　<Abstract>　<PDF file>　(39)
Metallogeny and mineral resource prospecting in the Pb-Zn-Ag-Au-Mo polymetallic ore belt of eastern Qinling　 　　ZHU Guang-bin,LIU Guo-fan,YAO Xin-nian,et al　<Abstract>　<PDF file>　(44)
High-resolution sequence stratigraphy features of the river facies reservoir in the Fanjiachuan oil field　 　　YU Bo,FU Guo -min,LI Yong-jun,et al　<Abstract>　<PDF file>　(53)

Status and development trend in the study of equilibrium chemical models for groundwater systems　 　　QIAN Hui,WANG Xiao-juan,LI Bian-qin　<Abstract>　<PDF file>　(59)
Study of diseases in the soft foundation of highway in mountainous area　 　　LIU Xue-ling,SU Sheng-rui,ZHOU Xin-min　<Abstract>　<PDF file>　(65)

Research on temporal change in coda Q-factor before and after the Linyi earthquake with M_L=5.0　 　　WANG Wei-dong,ZHANG Yong-zhi,DU Chang-e　<Abstract>　<PDF file>　(70)
Analysis and application of pressure and vertical components of the ocean-bottom cable data　 　　ZHANG Wen-bo,ZHU Guang-ming　<Abstract>　<PDF file>　(72)
Application of artificial intelligence expanging GIS to the environmental cumulative impact assessment for regional development　 　　LIU Shao-jun,HE Zheng-wei,HUANG Run-qiu,et al　<Abstract>　<PDF file>　(76)
Minimum L²-norm two dimensional phase unwrapping　 　　ZHANG Yong-zhi,WANG Wei-dong,LI Ping　<Abstract>　<PDF file>　(80)
Study of the application of grey forecast model in settlement forecast of high buildings　 　　LI Ri-yun,WANG Li,ZHANG Shuang-cheng　<Abstract>　<PDF file>　(84)

Application of sediments grain-size analysis in Quaternary environmental research and its stratum compartmentalization and contrast function in Xiamen island, Fujian province　 　　ZHANG Pu,CHEN Jian-qiang,TIAN Ming-zhong,et al　<Abstract>　<PDF file>　(88)

Brief introduction of the Editing Committce members:CHEN Meng-xiong　 <PDF file>　(封二)
Important announcement of this journal　 (87)