2017 Vol. 23, No. 5

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EMERGENCY RAPID ASSESSMENT OF LANDSLIDES INDUCED BY THE JIUZHAIGOU MS 7.0 EARTHQUAKE, SICHUAN, CHINA
LIU Jiamei, WANG Tao, SHI Jusong, LI Zetong
2017, 23(5): 639-645.
Abstract (226) HTML (87) PDF (14414KB)(17)
Abstract:
Based on the Newmark cumulative displacement model, emergency rapid assessment of earthquake landslides induced by the Sichuan Jiuzhaigou Ms 7.0 earthquake was carried out based on regional topographic and geologic data, combined with near-real-time estimates of ground shaking. The analysis results ...
FRACTURE CHARACTERISTICS OF UPPER PALEOZOIC AND ITS INFLUENCE ON GAS AND WATER DISTRIBUTION ON THE NORTHERN SECTION OF THE TIANHUAN DEPRESSION, ORDOS BASIN
LIU Xinshe, REN Desheng, HOU Yundong, WANG Huaichang
2017, 23(5): 646-653.
Abstract (403) HTML (269) PDF (32880KB)(26)
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In connection with types, causes and distributions of the upper Paleozoic fracture in the Tianhuan Depression, Ordos Basin, observations, descriptions and measurements of outcrops, core macroscopic and microscopic microcracks were carried out. Combined with the analysis of logging logs, the results ...
DYNAMIC RESPONSE ANALYSIS OF THE OBLIQUE METRO TUNNELS IN GROUND FISSURES AREA
LIU Lei, LIU Xueling, MA Tao
2017, 23(5): 654-660.
Abstract (164) HTML (97) PDF (8808KB)(8)
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A large scale model test was carried out to study the dynamic response of the oblique metro tunnel in ground fissures area under vibration loads of train. The test results show that subway produces vibration propagation in all directions in the soil with different degree of attenuation while moving,...
METALLOGENIC AGES AND THE NATURE OF MAGMA SOURCE OF THE YUJIASHAN CU-NI DEPOSIT, HANNAN COMPLEX:CONSTRAINTS FROM ZIRCON U-PB DATING AND LU-HF ISOTOPE
ZHENG Guanggao, CUI Jianjun, LIU Xiaochun, QIAO Jianxin, QU Wei, CHEN Longyao, LI Miao, ZHAO Wenping, LI Dongdong
2017, 23(5): 661-672.
Abstract (372) HTML (262) PDF (6860KB)(13)
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The Yujiashan Cu-Ni deposit of Hannan complex is located in the southwest of the Wangjiangshan basic massif, in the west of the northern margin of the Yangtze craton. There is less study on the diagenesis age, mineralization age and the nature of magma source of the outcropped rock mass, which affec...
ZIRCON U-PB AGES, GEOCHEMICAL CHARACTERISTICS AND TECTONICS IMPLICATIONS OF LATE JURASSIC INTERMEDIATE INTRUSIVE ROCKS IN SHIQUANHE AREA, WESTERN TIBET
NIMA Ciren, WANG Guocan, DU Dun, PU Chi, Ciren Yangzong, JIAO Wenlong, Li Kaiyun, YE Qiang, LUOSANG Langjie, DA Wa
2017, 23(5): 673-685.
Abstract (255) HTML (234) PDF (4727KB)(16)
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A set of intermediate intrusive rocks have been identified from a late Cretaceous pluton which intruded into the Paleozoic stratigraphy along the south of Shiquanhe belt, during the 1:50000 geological survey in the Gaer area. The intrusive rocks are exhibited as stock and apophyse, with the types of...
STUDY OF ALLUVIAL FAN SEDIMENTARY FACIES BASED ON GEOSTATISTICAL SEISMIC INVERSION-TAKE THE C OILFIELD OF XINJIANG AS AN EXAMPLE
ZHAO Lei, SHI Liangliang, KE Ling, HE Tingting, ZHANG Zheng, XU Xueliang
2017, 23(5): 686-694.
Abstract (466) HTML (178) PDF (8784KB)(13)
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The C oilfield of Xinjiang is in the early development period which has few well data and large well spacing. The study of sedimentary facies using seismic inversion data can improve the research accuracy. The two methods are used for seismic inversion studies, namely constrained sparse pulse invers...
QUANTITATIVE ANALYSIS AND INTERPRETATION OF THE GEOCHEMICAL DATA OF THE STREAM SEDIMENT IN DUOLONG MINERAL DISTRICT, TIBET, CHINA
LIU Xiangchong, WANG Wenlei, PEI Yingru
2017, 23(5): 695-706.
Abstract (407) HTML (176) PDF (8033KB)(23)
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Geochemical data are typical compositional data and their closure effect exists in the rock major elements as well as in all trace elements and their arbitrary subsets. However, the closure effect is often ignored in many cases. Ten porphyry and epithermal Cu-Au deposits were recently found in Duolo...
DISCUSSION ON GEOLOGICAL HAZARDS AND MAJOR ENGINEERING GEOLOGICAL PROBLEMS IN THE MIDDLE PART OF THE NORTH-SOUTH ACTIVE TECTONIC ZONE, CHINA
GUO Changbao, ZHANG Yongshuang, WANG Tao, SUN Ping, JIANG Liangwen, DU Yuben, YANG Zhihua
2017, 23(5): 707-722.
Abstract (386) HTML (177) PDF (42653KB)(31)
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The area of Tianshui cities group, Gansu, and the Chengdu-Lanzhou traffic corridors are located in the middle of the north-south active seismic belt, eastern Tibetan Plateau. The study area is a geological and geomorphic boundary zone between the eastern and western China, with strong tectonic activ...
DISTRIBUTION CHARACTERISTICS AND FORMATION MECHANISM OF LANDSLIDES TRIGGERED BY ACTIVITIES OF BAOJI-WUSHAN SEGMENT AT THE NORTHERN MARGIN OF WESTERN QINLING FAULT ZONE
XIN Peng, WU Shuren, ZHANG Zelin, LIU Jiamei, WANG Tao, SHI Jusong
2017, 23(5): 723-733.
Abstract (712) HTML (283) PDF (5996KB)(20)
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The fault at the northern margin of western Qinling distributes along the transportation corridor of "the Belt and Road", which is one of the focuses with crowded development of strong earthquakes along the south-north active fault zone, having extremely high seismic risk of geological disasters. Ba...
IN-SITU STRESS MEASUREMENT AND RESEARCH ON TECTONIC STRESS FIELD DISTRIBUTION LAW OF CHENGDU-LANZHOU RAILWAY
BAO Linhai, DU Yi, GUO Qiliang, ZHANG Yanshan
2017, 23(5): 734-742.
Abstract (382) HTML (223) PDF (5790KB)(33)
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Chengdu-Lanzhou Railway is located in the alpine valley area at the eastern edge of Qinghai-Tibet Plateau. Due to the collisions of the India plate and Eurasian plate, regional tectonic deformation is severe. The railway line stretch across the Sichuan-Qinghai and the southern Gansu block, across th...
RESEARCH REVIEW ON LONG-TERM ACTIVITY OF POST-EARTHQUAKE GEOHAZARD IN STRONG SEISMIC-DISTURBED REGIONS
YANG Zhihua, LAN Hengxing, ZHANG Yongshuang, GUO Changbao
2017, 23(5): 743-753.
Abstract (667) HTML (255) PDF (8666KB)(52)
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Earthquake can significantly change the physical and mechanical properties of surface rock masses, which leads to an obvious geohazard increase after earthquake for a long period of time. Based on the review and analysis of the current research status of long-term activity of post-earthquake geohaza...
DEVELOPMENT CHARACTERISTICS AND STABILITY ANALYSIS OF THE HONGHUATUN ANCIENT LANDSLIDE AT SONGPAN TUNNEL ENTRANCE OF CHENGDU-LANZHOU RAILWAY
REN Sanshao, GUO Changbao, WU Ruian, SHEN Yaqi, ZHANG Tao
2017, 23(5): 754-765.
Abstract (320) HTML (97) PDF (30615KB)(18)
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Chengdu-Lanzhou Railway, which is located in the eastern Tibetan Plateau, is in the middle section of the north-south seismic belt in China. A series of large-giant landslides developed and ancient landslides revived frequently along the railway under the coupling of endogenic and exogenic forces, w...
ANALYSIS ON THE DEVELOPMENT CHARACTERISTICS AND ENGINEERING GEOMECHANICAL PROPERTIES OF THE SONGPAN LOESS, WESTERN SICHUAN PROVINCE, CHINA
SHEN Yaqi, GUO Changbao, WU Ruian, REN Sanshao, SU Fangrui, ZHANG Tao
2017, 23(5): 766-777.
Abstract (267) HTML (123) PDF (15566KB)(18)
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Based on the 1:50000 geological survey of Songpan map and Zhangla map, through the field geological survey, geological dating, geography space analysis, laboratory test and in-situ large scale direct shear test, the development and distribution characteristics and engineering geomechanical propertie...
EXPERIMENTAL STUDY ON DEFORMATION AND FAILURE MECHANISM OF SHALLOW LOESS LANDSLIDE UNDER THE EFFECT OF IRRIGATION
WANG Gang, SUN Ping, WU Lizhou, SHI Lunyan, ZHU Enzhen
2017, 23(5): 778-787.
Abstract (296) HTML (107) PDF (26534KB)(9)
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In order to effectively reduce the enormous losses to society and economy caused by shallow loess landslides triggered by irrigation in large area of Jingyang, it is of great realistic significance to carry out laboratory experimental study on irrigation-induced landslides and to study the effects o...
GEOPHYSICAL EXPLORATION AND SLIDING SURFACE DISCRIMINANT ANALYSIS OF LARGE-GIANT ANCIENT LANDSLIDES IN MINJIANG RIVER VALLEY, WESTERN SICHUAN
GUO Qiaoqiao, GUO Changbao, SHEN Wei, ZHANG Guohua, SONG Haoxiang, ZHOU Qingqiang
2017, 23(5): 788-797.
Abstract (284) HTML (244) PDF (22896KB)(20)
Abstract:
High density resistivity method and conventional resistivity sounding method are applied in the exploration analysis of the space structure of a series of typical large-giant ancient landslides such as the Gamisi landslide, the Ezhaicun landslide and the Gejizhai landslide. The survey results show t...
2017, 23(5): 798-798.
Abstract (66) HTML (32) PDF (697KB)(4)
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