2019 Vol. 25, No. 3

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2019, 25(3): 封三-封三. doi: 10.12090/j.issn.1006-6616.2019.25.03.016
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2019, 25(3): 封二-封二.
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EARLY PALEOZOIC TECTONIC DEFORMATION IN QIASHENKANSAYIGOU AREA, NORTH ALTUN, AND IMPLICATION FOR TECTONIC EVOLUTION
WU Yu, CHEN Zhengle, CHEN Bailin, WANG Yong, MENG Lingtong, SUN Yue, HE Jiangtao, WANG Bin, ZHANG Wengao
2019, 25(3): 301-312. doi: 10.12090/j.issn.1006-6616.2019.25.03.028
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Hongliugou-Lapeiquan ophiolitic mélange belt, which is exposed in the northern margin of the Qinghai-Tibet Plateau, has been providing significant information for the deep study of Early Paleozoic tectonic framework and evolution of North Altun. On the basis of detailed geological mapping and struct...
QUANTITATIVE ANALYSIS OF TECTONIC CHARACTERISTICS AND EVOLUTION IN THE EASTERN JUNGGAR BASIN
MA Chao, WU Kongyou, PEI Yangwen, LI Tianran
2019, 25(3): 313-323. doi: 10.12090/j.issn.1006-6616.2019.25.03.029
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The eastern Junggar Basin has undergone multiple tectonic movements. Its tectonic characteristics, formation and evolution mechanism are of great guiding value for oil and gas exploration and development in this area. By using high-resolution 2-D and 3-D seismic and well logging data, ten geological...
THE TIME SPACE DISTRIBUTION CHARACTERISTICS AND MIGRATION LAW OF LARGE EARTHQUAKES IN THE INDIAM-EURASIAN PLATE COLLISION DEFORMATION AREA
ZHAO Genmo, WU Zhonghai, LIU Jie, ZHANG Lei, ZUO Jiameng
2019, 25(3): 324-340. doi: 10.12090/j.issn.1006-6616.2019.25.03.030
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The continuous collision and compression between the Indian plate and the Eurasian plate during the Cenozoic period led to a strong intraplate deformation of the Asian continent, which resulted in the formation of a triangle deformation area and strong earthquake activity area, namely the Xinjiang-T...
STRESS FIELD OF FOLD STRUCTURE AND ITS EVOLUTION
LIU Jiaren
2019, 25(3): 341-348. doi: 10.12090/j.issn.1006-6616.2019.25.03.031
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The theory of elastic mechanics is applied to find out distribution and dynamic evolution of stress field in the forming process of fold structure. The analytical expression of stress field when a single fold starts is deduced, through which the relationship between fold wavelength and the thickness...
RESEARCH ON THE GROUND STRESS CORRECTION OF RESERVOIRS BASED ON THE FINITE ELEMENT METHOD
WANG Jinduo, SUN Luning, WANG Jun, WANG Min, LI Jing, LIU Xuliang, LIU Chen
2019, 25(3): 349-356. doi: 10.12090/j.issn.1006-6616.2019.25.03.032
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Ground stress is the basic parameter for oil and gas reservoir evaluation. The traditional solution of ground stress of single well usually relies on logging data and rock mechanics experiments, without considering the effect of formation rock heterogeneity on ground stress in the whole mechanical m...
CHARACTERISTICS OF THE CENOZOIC CAP ROCK AND ITS CONTROL ON HYDROCARBON IN THE WESTERN BOHAI SEA AREA
ZHANG Zhengtao, LIN Changsong, LI Huiyong, ZHANG Guokun, DAI Jianglin
2019, 25(3): 357-369. doi: 10.12090/j.issn.1006-6616.2019.25.03.033
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The development of the Cenozoic cap rock in the western Bohai sea area is closely related to hydrocarbon accumulation. In order to clarify the control of cap rock on hydrocarbon enrichment, based on the drilling data, logging data and coring analysis data, the development characteristics of the Ceno...
THE CARBONIFEROUS SOURCE ROCK MATURITY EVOLUTION IN THE DELINGHA DEPRESSION IN THE QAIDAM BASIN, NORTHWEST CHINA
WANG Li, LI Zongxing, LIU Chenglin, PENG Bo, HU Junjie, PENG Xinfa, LIU Le
2019, 25(3): 370-381. doi: 10.12090/j.issn.1006-6616.2019.25.03.034
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The Delingha depression is an area with prospects for Carboniferous exploration in the Qaidam Basin. The Main tectonic movement periods in the Qaidam Basin were obtained based on the comprehensive regional survey, balanced profile inversion, and vitrinite reflectance. Base on the basin simulation te...
THE INFLUENCE MECHANISM OF FILLED NATURAL FRACTURES ON THE VARIATION LAW OF SHALE PERMEABILITY IN LOADING PROCESS
SHANG Chunjiang, KANG Yongshang, DENG Ze, ZHAO Qun, WANG Hongyan, LIU Honglin
2019, 25(3): 382-391. doi: 10.12090/j.issn.1006-6616.2019.25.03.035
Abstract (249) HTML (124) PDF (14462KB)(12)
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Shale gas exploitation requires large-scale artificial hydraulic fracturing of resevoirs. In order to study the variation law and mechanism of shale permeability during fracturing, fluid-solid coupling physical simulation experiments on two shale samples with and without filled natural fractures wer...
ORGANIC GEOCHEMISTRY AND MINERAL COMPOSITION CHARACTERISTICS IN SHALES OF NIUTITANG FORMATION, NORTHWESTERN HUNAN
GUO Yongyan, LIANG Mingliang, WANG Zongxiu, ZHANG Linyan, LI Huijun, LI Xiaoshi
2019, 25(3): 392-399. doi: 10.12090/j.issn.1006-6616.2019.25.03.036
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The article aims to analyze the organic geochemistry and inorganic mineral characteristics of the Lower Cambrian Niutitang Formation shale in northwestern Hunan Province. The main research methods include carbon-sulfur measurement method, rock pyrolysis method, chloroform asphalt "A" measurement met...
A PRELIMINARY STUDY ON THE MECHANICS AND TECTONIC RELATIONSHIP TO THE GEOTHERMAL FIELD OF THE HEYUAN FAULT ZONE IN GUANGDONG PROVINCE
Lisa TANNOCK, WANG Ya, LI Jingfu, LIU Jie, ZHANG Ke, XU Lifeng, Klaus REGENAUER-LIEB
2019, 25(3): 400-411. doi: 10.12090/j.issn.1006-6616.2019.25.03.037
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Located in the geothermal anomaly area along the southeast coast of China, the Heyuan fault zone in Guangdong Province owns abundant geothermal resources. To investigate its potential, the mechanics and tectonic relationship to the geothermal field of the Heyuan fault zone in Guangdong Province are ...
LARGE-SCALE IN-SITU SUBMERGING EXPERIMENT ON BURIED GROUND-FISSURES EXPANSION
WANG Li, LI Xinsheng, LI Tonglu
2019, 25(3): 412-420. doi: 10.12090/j.issn.1006-6616.2019.25.03.038
Abstract (346) HTML (115) PDF (15115KB)(11)
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Buried ground-fissrues have the potential disaster effects and the randomness of expansion, and surface water is one of the factors that induce the expansion of buried ground-fissrues. Based on field investigation data, two main expansion mechanisms, hydraulic pressure and the loess collapsibility, ...
EXPERIMENTAL STUDY ON THE SHEAR STRENGTH AND DEFORMATION CHARACTERISTICS OF LIGNIN-FIBER RED CLAY
DONG Ji, CHEN Jun, WU Zhonghu, YANG Heng, CHEN Taixu
2019, 25(3): 421-427. doi: 10.12090/j.issn.1006-6616.2019.25.03.039
Abstract (522) HTML (148) PDF (9474KB)(22)
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The pollution of geomaterials is one of the key problems in construction. Considering proportion of lignin fibre, laboratory mechanics experiments and SEM tests were applied to natural red clay and lignin fibre-adding red clay. Variation laws of strength characteristics and effects were studied when...
GEOCHEMICAL CHARACTERISTICS AND PALEOCLIMATE IMPLICATIONS OF HEFEI XIASHU LOESS
LU Shuo, YIN Gongming, SONG Weijuan, FANG Lianghao, SHU Peng, ZHENG Yingping
2019, 25(3): 428-439. doi: 10.12090/j.issn.1006-6616.2019.25.03.040
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Hefei is located in the north bank of the middle and lower reaches of the Yangtze river and Xiashu loess is widely distributed. Through the analysis of lithology, oxide content and geochemical weathering parameters of BK2 borehole section in Hefei area, the geochemical characteristics and climate ch...
LA-ICP-MS ZIRCON U-PB DATING AND GEOCHEMICAL CHARACTERISTICS OF THE XIWANGGOU OLIVINE PYROXENOLITE IN EAST KUNLUN
KONG Huilei, LI Yazhi, LI Jinchao, JIA Qunzi, GUO Xianzheng, ZHANG Bin
2019, 25(3): 440-452. doi: 10.12090/j.issn.1006-6616.2019.25.03.041
Abstract (419) HTML (173) PDF (25553KB)(17)
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The mafic-ultramafic rocks in Paleo-Tethys domain of East Kunlun are not well documented. Researches on petrography, geochronology and geochemistry of the olivine pyroxenolite in Xiwanggou mafic-ultramafic intrusion, located in the Eastern Section of East Kunlun in Qinghai Province, can provide new ...

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