2018 Vol. 24, No. 2

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ADVANCES IN CONTINENTAL SCAPE STRUCTURES
ZHANG Yu, SHI Wei
2018, 24(2): 145-156. doi: 10.12090/j.issn.1006-6616.2018.24.02.016
Abstract (663) HTML (195) PDF (2333KB)(49)
Abstract:
The continental scape structure, as one of the important structural styles to accommodate intracontinental deformation, is of great significance to understand intracontinental deformation, strain partitioning and formation mechanism during tectonic evolution of the continent. Based on the previous c...
ANALYSIS AND TEXTUAL RESEARCH OF THE SEISMOGENIC STRUCTURE OF THE QIN-LONG EARTHQUAKE IN 600 A.D.
WANG Shidi, SHI Yaqin, REN Fengwen
2018, 24(2): 157-168. doi: 10.12090/j.issn.1006-6616.2018.24.02.017
Abstract (262) HTML (120) PDF (10641KB)(18)
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According to Chinese historical records, an earthquake struck the ancient Qin-Long area in 600 A.D., and caused serious social impact. The epicenter, earthquake magnitude, epicentral intensity, and seismogenic structure of this earthquake have long been disputed. In this study, based on the earthqua...
DYNAMIC MECHANISM OF RIFT SYSTEMS IN WEST AND CENTRAL AFRICA
ZHANG Qinglian, HOU Guiting, PAN Xiaohua
2018, 24(2): 169-176. doi: 10.12090/j.issn.1006-6616.2018.24.02.018
Abstract (375) HTML (141) PDF (2692KB)(30)
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The rift systems in West and Central Africa that developed along the shear zone in Central Africa is a series of Mesozoic-Cenozoic rift basins, and their formation mechanism is still a matter of debate. The evolution of those rift systems has three stages, and Early Cretaceous is the most important ...
A PRELIMINARY STUDY ON THE ORE-CONTROLLING STRUCTURE IN TIANYU NICKEL DEPOSIT, EASTERN TIANSHAN MOUNTAINS, NW CHINA
CHEN Bailin, DONG Faxian, LI Songbin, CHEN Zhengle, HAN Fengbin
2018, 24(2): 177-187. doi: 10.12090/j.issn.1006-6616.2018.24.02.019
Abstract (283) HTML (147) PDF (4583KB)(20)
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Tianyu nickel deposit is located in southeastern margin of east Tianshan block of the Trim Plate. It is closely related between the ore resource and the tectonics in east Tianshan area, while the Cu-Ni deposits are mainly controlled by regional deep-major fault zone (Kangguer fault and Yamansu Fault...
ZIRCON U-PB DATING, GEOCHEMICAL CHARACTERISTICS AND METALLOGENIC SIGNIFICANCE OF GRONODIORITE PORPHYRY FROM THE XIZANGDAGOU GOLD DEPOSIT IN EAST KUNLUN, QINGHAI PROVINCE
LI Jinchao, KONG Huilei, LI Yazhi, GUO Xianzheng, NAMKHA Norbu, WANG Xianxiao, JIA Qunzi, ZHANG Bin, YAO Xuegang
2018, 24(2): 188-198. doi: 10.12090/j.issn.1006-6616.2018.24.02.020
Abstract (337) HTML (174) PDF (3833KB)(9)
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The Xizangdagou gold deposit lies in the Bayan Har tectonic belt of East Kunlun. LA-ICP-MS zircon U-Pb dating shows that the weighted mean age of granodiorite porphyry, which is closely related with the mineralization of the Xizangdagou gold deposit, is (225.0±1.2)Ma, in the Late Triassic. This suit...
METALLOGENIC STRUCTCTURAL PLANE CHARACTERISTICS AND ITS PROSPECTING IMPORTANCE FOR THE MAKENG TYPE IRON DEPOSITS IN SOUTHWESTERN FUJIAN PROVINCE
WANG Sen, ZHANG Da, WU Ganguo, YI Jinjun, LI Xingjian, YU Tengda, BAI Yu, GAO Xiaoqiao
2018, 24(2): 199-211. doi: 10.12090/j.issn.1006-6616.2018.24.02.021
Abstract (455) HTML (297) PDF (3802KB)(16)
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Located in the Late Paleozoic depression of southwestern Fujian, the Makeng type iron deposits are the main skarn iron polymetallic deposits. The major ore bodies are generally controlled by lithologic boundaries and tectonic structural planes, especially the interface between silica and calcareous ...
THE GENESIS OF THE DOLOMITIC RESERVOIRS OF THE LOWER PERMIAN QIXIA FORMATION IN THE SOUTH CENTRAL SICHUAN BASIN
ZHAO Juan, ZENG Deming, LIANG Feng, FAN Ling, HOU Fu, SONG Linke, WANG Jiashu, TENG Yiwei
2018, 24(2): 212-219. doi: 10.12090/j.issn.1006-6616.2018.24.02.022
Abstract (348) HTML (186) PDF (3096KB)(15)
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During the exploration of the south central Sichuan Basin, the fine-medium grained dolostones of Lower Permian Qixia Formation was found as good reservoir rocks. Industrial gas flows were obtained in numbers of development wells, which reveals great potentiality of the gas exploration. For the furth...
ANALYSIS ON THE CAUSES OF DIFFERENT ENRICHMENT OF HYDROCARBON IN GUDAO AND CHENGDAO BURIED-HILLS, JIYANG DEPRESSION
ZHAO Kai, JIANG Youlu, LIU Hua, HU Hongjin, XU Haoqing
2018, 24(2): 220-228. doi: 10.12090/j.issn.1006-6616.2018.24.02.023
Abstract (378) HTML (191) PDF (4140KB)(11)
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There are obvious differences between Gudao and Chengdao buried-hills in the degree of hydrocarbon enrichment, and the reason leading to such differences is still unclear. Base on relative researches and the organic geochemical characteristics and reservoir properties, the conditions of hydrocarbon ...
STUDY OF THE TECHNIQUE FOR LANDSLIDE RAPID RECOGNITION BY INSAR
LIU Xinghong, YAO Xin, ZHOU Zhenkai, LI Lingjing, YAO Jiaming
2018, 24(2): 229-237. doi: 10.12090/j.issn.1006-6616.2018.24.02.024
Abstract (649) HTML (232) PDF (5663KB)(44)
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An active landslide rapid recognition method, based on InSAR deformation and assisted by optical remote sensing, geomorphologic features and geological conditions, is presented in this article and Leibo County of Sichuan Province is chosen to be the study area. Four type of SAR data, PALSAR-1/2 as-/...
NUMERICAL ANALYSIS ON DYNAMIC RESPONSE OF THE OBLIQUE METRO TUNNEL IN GROUND FISSURE AREA
LIU Lei, LIU Xueling, ZHOU Jinxi
2018, 24(2): 238-243. doi: 10.12090/j.issn.1006-6616.2018.24.02.025
Abstract (314) HTML (122) PDF (2706KB)(8)
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A numerical analysis model, with an oblique crossing of 60°between horseshoe-shaped metro tunnel and ground fissure, was built with ABAQUS to study the dynamic response of the oblique metro tunnel in ground fissure area under vibration load of metro. The results show that the soil vibration near the...
APPLICATION OF SIDE SCAN SONAR IN THE INVESTIGATION OF CRUSTAL STABILITY OF THE CROSS-SEA CHANNEL IN THE QIONGZHOU STRAIT
LI Zhen, PENG Hua, JIANG Jingjie, SUN Yao
2018, 24(2): 244-252. doi: 10.12090/j.issn.1006-6616.2018.24.02.026
Abstract (296) HTML (187) PDF (4694KB)(15)
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For the crustal stability assessment of cross-sea channel of the Qiongzhou Strait, the Sonar Beam S-150d scan sonar system was applied to the topography investigation of the seabed in Qiongzhou Strait, in which the side scan sonar image of the engineering region was obtained. Through data analysis a...
EVOLUTION OF SEDIMENTARY ENVIRONMENT IN THE NORTH HETAO BASIN SINCE 344 Ka
CAI Maotang, YE Peisheng, YANG Xingchen, ZHANG Xujiao, LI Chenglu, ZHOU Wei, LU Jing, WANG Tao
2018, 24(2): 253-262. doi: 10.12090/j.issn.1006-6616.2018.24.02.027
Abstract (446) HTML (177) PDF (3434KB)(19)
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Through analysis of sedimentary facies and grain size characteristics from 377 m drilling cores in the north Hetao Basin, combined with different dating methods, the evolution of sedimentary environment in the north Hetao Basin since late Middle Pleistocene is revealed. According to the characterist...
OBJECT-ORIENTED REMOTE SENSING INFORMATION EXTRACTION METHOD FOR ROCKY DESERTIFICATION IN KARST AREA-A CASE STUDY OF DAFANG COUNTY, GUIZHOU
ZHOU Di, NI Zhongyun, YANG Zhenyu
2018, 24(2): 263-273. doi: 10.12090/j.issn.1006-6616.2018.24.02.028
Abstract (366) HTML (89) PDF (4942KB)(13)
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The existing pixel-based supervised and unsupervised classification methods can't meet the requirements of rocky desertification information extraction accuracy in karst rocky desertification area under the circumstances of complicated geological environment, large topographic relief and obvious sha...
DISCUSSION ON MANGSHAN LOESS STRATIGRAPHIC DIVISON IN CHINA CENTRAL PLAINS
YANG Zhou, WANG Shubing, JIANG Fuchu, WANG Xisheng, FU Jianli
2018, 24(2): 274-282. doi: 10.12090/j.issn.1006-6616.2018.24.02.029
Abstract (421) HTML (333) PDF (5320KB)(12)
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Stratigraphic age and stratigraphic division are basic and pilot work. As the research moves along, stratigraphic division will be re-recognized. The age and division of the loess stratigraphy mainly depend on OSL, 14C, paleomagnetism and magnetic susceptibility. Mangshan is famous for the extremely...
REDEFINITION OF THE SEDIMENTARY TIME OF THE SALAWUSU FORMATION IN THE HONGSIBU BASIN, NINGXIA AND ITS SIGNIFICANCE
CUI Jiawei, LI Zhenhong, LIU Feng, DONG Xiaopeng, HUANG Ting, ZHAO Yang
2018, 24(2): 283-292. doi: 10.12090/j.issn.1006-6616.2018.24.02.030
Abstract (382) HTML (167) PDF (4385KB)(13)
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Based on the detailed field profile observation and stratigraphic correlation works, we re-divide the Late Pleistocene sedimentary cycle in the Hongsibu basin, Ningxia. What's more, we also redefine the sedimentary frame of the Pleistocene in the Hongsibu basin combining with the accurate time limit...
Inside Cover
2018, 24(2): 293-293.
Abstract (171) PDF (11320KB)(2)
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Inside Cover
2018, 24(2): 294-294.
Abstract (174) PDF (16409KB)(4)
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