2019 Vol. 25, No. 2

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2019, 25(2): .
Abstract (80) PDF (437KB)(15)
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APPLICATION AND TREND OF NUMERICAL SIMULATION IN DYNAMIC STUDY OF OROGENIC BELT IN CHINA
CHEN Zhenkun, SU Jinbao, LU Yi
2019, 25(2): 151-165. doi: 10.12090/j.issn.1006-6616.2019.25.02.014
Abstract (358) HTML (116) PDF (4254KB)(30) [Cited by] (3)
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Numerical simulation provides an effective tool for the study of orogenic dynamics. Depending on the different dynamic problems in orogenic belts, the researchers have carried out various simulations, which is difficult to judge their advantages and disadvantages. With that in mind, based on the rev...
METHOD FOR DETERMINING ELASTIC PARAMETERS FOR THE PREDICTION MODEL OF SHALE TRANSVERSELY ISOTROPIC GEOSTRESS
TIAN He, ZENG Lianbo, SHU Zhiguo, BAO Hanyong, XU Xiang, MAO Zhe, WANG Xiaoyao
2019, 25(2): 166-176. doi: 10.12090/j.issn.1006-6616.2019.25.02.015
Abstract (391) HTML (134) PDF (13528KB)(54) [Cited by] (18)
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The distribution of geostress constitutes the geological basis for shale hydraulic fracturing, which is an important way of shale gas exploitation. The calculation of shale geostress based on the transversely isotropic model needs to obtain five elastic parameters C11, C33, C44, C66, and C13, among ...
THE QUANTITATIVE PREDICTION OF STRUCTURAL FRACTURES IN ORDOVICIAN RESERVOIR IN YU-BEI AREA, TARIM BASIN
ZHANG Jibiao, LIU Shilin, DAI Junsheng, ZHANG Zhongpei
2019, 25(2): 177-186. doi: 10.12090/j.issn.1006-6616.2019.25.02.016
Abstract (291) HTML (100) PDF (12404KB)(14) [Cited by] (11)
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Based on the finite element method, the numerical simulation of the paleo tectonic stress field in different fracture development stages in Yu-bei area was carried out. Further more, according to the rock failure criterion and strain energy conservation, the fracture parameters were calculated based...
ORE-FORMING STRUCTURE ANALYSIS OF THE LIANGYAN LEAD-ZINC MINING AREA IN NORTHWESTERN GUIZHOU DEPOSIT CONCENTRATION DISTRICT, CHINA
WANG Mingzhi, HAN Runsheng, ZHOU Wei, SONG Danhui, LUO Da, ZHOU Jianfei, WU Ruilin
2019, 25(2): 187-197. doi: 10.12090/j.issn.1006-6616.2019.25.02.017
Abstract (467) HTML (226) PDF (60002KB)(48) [Cited by] (14)
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The Liangyan Pb-Zn deposit is one of the typical deposits in the northwest Guizhou Pb-Zn polymetallic ore-concentrated area in the Sichuan-Yunnan-Guizhou Triangle area (SYGT). Based on detailed analysis of the ore-controlling structures of the three levels at DaJie ore section by Geological Mechanic...
STUDY ON OCCURRENCE REGULARITY OF COAL-BASED GRAPHITE IN KEKENG MINING AREA IN ZHANGPING, FUJIAN PROVINCE
DING Zhengyun, CAO Daiyong, WANG Lu, PENG Yangwen, LI Yang, CHEN Quanlin, DENG Ruijin, LIN Xiaoyan
2019, 25(2): 198-205. doi: 10.12090/j.issn.1006-6616.2019.25.02.018
Abstract (611) HTML (223) PDF (5771KB)(19) [Cited by] (19)
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Zhangping Kekeng mining area is located in the coal-bearing belt in the central part of Fujian Province. It contains abundant high-metamorphic anthracite and has good prospects for coal-based graphite resources. It is an important graphite metallogenic area in Fujian Province. In order to find out t...
CHARACTERISTICS AND INFLUENCING FACTORS OF CARBONIFEROUS VOLCANIC RESERVOIRS IN HASHAN AREA, NORTHWESTERN MARGIN OF THE JUNGGAR BASIN
YU Hongzhou
2019, 25(2): 206-214. doi: 10.12090/j.issn.1006-6616.2019.25.02.019
Abstract (298) HTML (125) PDF (29758KB)(11) [Cited by] (9)
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As important exploration targets at the northwestern margin of the Junggar basin, Carboniferous volcanic rocks formed under the background of continental island arc and oceanic island arc. In order to study the development and controlling factors of volcanic reservoirs in the Hashan area, based on o...
DYNAMIC ACCUMULATION PROCESS OF COAL-FORMED GAS IN WENLIU AREA, DONGPU DEPRESSION
HU Hongjin, JIANG Youlu, LIU Jingdong, ZHAO Kai, MU Xiaoshui
2019, 25(2): 215-222. doi: 10.12090/j.issn.1006-6616.2019.25.02.020
Abstract (351) HTML (94) PDF (14704KB)(8) [Cited by] (9)
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The Wenliu area is one of the typical coal-formed gas accumulation zones in the Bohai Bay Basin. With the deepening of exploration, the fine characterization of the coal-forming gas accumulation process in this area still needs to be improved. The fluid inclusion technology was used to analyze the c...
A NEW METHOD FOR FRACRABILITY EVALUATION IN DEEP AND TIGHT SANDSTONE RESERVOIRS
ZENG Zhiping, LIU Zhen, MA Ji, ZHANG Chunlei, LI Jing, SUN Luning
2019, 25(2): 223-232. doi: 10.12090/j.issn.1006-6616.2019.25.02.021
Abstract (643) HTML (174) PDF (11980KB)(70) [Cited by] (46)
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Fracrability evaluation is the basis for the optimization of fracturing level and the evaluation of productivity after fracturing. The tight sandstone reservoirs in block 4 in central Junggar Basin are buried deep and poor in physical property, and it is urgent to improve the industrial productivity...
STABILITY INVESTIGATION AND TREATMENT EVALUATION OF SLOPES IN THE EASTERN TIBET SECTION OF THE SICHUAN-TIBET HIGHWAY
YE Tangjin, XIE Qiang, WANG Ying
2019, 25(2): 233-239. doi: 10.12090/j.issn.1006-6616.2019.25.02.022
Abstract (475) HTML (126) PDF (11035KB)(21) [Cited by] (18)
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The eastern Tibet section of Sichuan-Tibet Highway is always suffered by unstable slopes even after years of repeated governance. In order to solve this urgent problem, a good knowledge of all slope data and slope treatment status of this area must be obtained. Totally 204 slopes along the Highway h...
SIMULATION OF THE CRACK PROPAGATION FOR THE MODEL WITH A HOLE UNDER DIFFERENT CONFINING PRESSURES BASED ON A CONTINUUM-DISCONTINUUM METHOD
BAI Xueyuan, WANG Xuebin, MA Bing, LU Weinan, ZHU Mingze
2019, 25(2): 240-248. doi: 10.12090/j.issn.1006-6616.2019.25.02.023
Abstract (237) HTML (84) PDF (14579KB)(10) [Cited by] (6)
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To effectively simulate the transition process from continuum medium to discontinuum medium, a continuum-discontinuum method was developed, which is a combination of the Lagrangian element method, the deformational discrete element method and the fictitious crack method. In this method, the cracking...
STRATIGRAPHIC GEOCHRONOLOGY OF ACX02 BOREHOLE IN THE MIDDLE AND LOWER REGION OF THE YONGDING RIVER, THE NORTH OF THE LANGGU DEPRESSION
LI Ruijie, ZHAO Yong, WEI Bo, SUN Yonghua, WANG Qiang
2019, 25(2): 249-256. doi: 10.12090/j.issn.1006-6616.2019.25.02.024
Abstract (275) HTML (88) PDF (12150KB)(20) [Cited by] (9)
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The establishment of quaternary stratigraphic chronology framework is of great significance to the study of regional stratigraphic correlation and paleogeographic environment evolution. The structural construction and lithological composition characteristics of the 378m core sediments of the ACX02 b...
ESR DATING OF THE BASUO FORMATION IN THE NORTHEASTERN HAINAN ISLAND AND ITS TECTONIC SIGNIFICANCE
XIA Mengmeng, WANG Chaoqun, HU Daogong, ZHAO Xitao, JIA Liyun, WU Huanhuan, LYU Tongyan
2019, 25(2): 257-266. doi: 10.12090/j.issn.1006-6616.2019.25.02.025
Abstract (387) HTML (258) PDF (23053KB)(15) [Cited by] (10)
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The Basuo Formation is an important stratigraphic unit in late quaternary and forms the main sedimentary formation of the second-level terrace (T2) in northeastern Hainan Province. Its formation age is of great significance to the study of paleoenvironmental evolution and crustal movement in the stu...
MINERAL COMPOSITION AND PLATINUM-GROUP ELEMENTS OF THE NEOPROTEROZOIC WANGJIANGSHAN LAYERED INTRUSION AT THE NORTHERN MARGIN OF THE YANGTZE BLOCK: IMPLICATIONS FOR THE PROCESSES OF MAGMA EVOLUTION AND TECTONIC SETTING
WANG Yan, WANG Mengxi, JIAO Jiangang
2019, 25(2): 267-285. doi: 10.12090/j.issn.1006-6616.2019.25.02.026
Abstract (409) HTML (112) PDF (30114KB)(32) [Cited by] (7)
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The Wangjiangshan layered intrusion occurs in the Neoproterozoic Hannan arc at the northern margin of the Yangtze Block, and it is composed of ultramafic to intermediate rocks from the bottom to the top. The lower zone is mainly composed of pyroxenite and troctolite, the middle zone is olivine gabbr...
THE FORMING AGE AND GEOCHEMISTRY CHARACTERISTICS OF THE GRANODIORITES IN HARIZHA, EAST KUNLUN AND ITS TECTONIC SIGNIFICANCE
GUO Xianzheng, JIA Qunzi, LI Jinchao, KONG Huilei, YAO Xuegang, LI Yazhi, MA Zhongyuan
2019, 25(2): 286-300. doi: 10.12090/j.issn.1006-6616.2019.25.02.027
Abstract (501) HTML (431) PDF (18519KB)(12) [Cited by] (9)
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In order to probe the genesis and magmatic evolution sequence of the granites in the Harizha sliver polymetallic deposit, geochronological and geochemical studies of the Harizha granodiorite was carried out in this paper. The results show that the Harizha granodiorite has LA-ICP-MS zircon U-Pb age o...
Inside Cover
2019, 25(2): 301-301.
Abstract (114) PDF (11010KB)(10)
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Inside Cover
2019, 25(2): 302-302.
Abstract (162) PDF (3707KB)(9)
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