2013 Vol. 19, No. 4

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DEVELOPMENT CHARACTERISTICS OF THE GEO-HARZARDS IN BAOJI CITY, SHAANXI PROVINCE
SHI Ling, WANG Tao, XIN Peng
2013, 19(4): 351-363.
Abstract (455) HTML (142) PDF (2593KB)(35)
Abstract:
This article makes use of detailed geo-hazard investigation data in 12 districts and counties of Baoji City in recent 7 years, based on collecting and sorting out main types and spatial distribution characteristics of geologic disasters in Baoji area, and analyses the general development characteris...
MAIN TYPES AND DEVELOPMENT LAW OF GEO-HAZARDS IN THE MIANNING PART OF YAAN-XICHANG EXPRESSWAY
ZHANG Rui-duan, GUO Chang-bao, SUN Jin-zhong, ZHANG Yong-shuang, FU Xiao-xiao, WANG Xi-hai
2013, 19(4): 364-376.
Abstract (272) HTML (233) PDF (4206KB)(20)
Abstract:
On the foundation of data collecting and field geological survey, main geo-hazard types and development law in the Mianning part of Yaan-Xichang expressway have been summarized to prevent disasters caused by collapses, landslides, debris flows. Studies showed that the main geo-hazard types in the st...
RESEARCH PROGRESS ON MECHANISM AND QUANTATIVE PREDICTION OF STRUCTURAL FRACTURES IN TIGHT-SAND RESERVOIRS
XU Hui-yong, FENG Jian-wei, GE Yu-rong
2013, 19(4): 377-384.
Abstract (254) HTML (168) PDF (1122KB)(23)
Abstract:
As fractured tight-sand reservoirs was thought to be an important type for exploration and production of unconventional oil and gas resources at present, understanding mechanism of structural fracture networks in reservoirs accordingly is thought to be the research focus. From sides of structural ge...
K-Ar DATING OF FAULT GOUGE FROM THE MAIN FAULT OF WULONGGOU GOLD DEPOSIT IN DULAN, QINGHAI PROVINCE
LU Lu, ZHANG Yan-lin, WU Zhen-han, HU Dao-gong
2013, 19(4): 385-391, 446.
Abstract (310) HTML (114) PDF (2870KB)(9)
Abstract:
In this paper, K-Ar dating of three fault gouge samples from the main fault belt in Wulonggou gold ore in Dulan, Qinghai Province were made to determine the activity time of the brittle fault. Then the relationship between the main fault and mineralization was discussed. The age of self-generated il...
ESR DATING OF THE PALAEOGENE IN MULI BASIN IN THE MIDDLE OF QILIAN MOUNTAINS AND ITS GEOLOGICAL SIGNIFICANCE
QI Bang-shen, HU Dao-gong, WANG Jin-shou, ZHAO Xi-tao, ZHANG Xu-jiao, ZHANG Yao-ling, YANG Xiao-xiao, GAO Xue-mi
2013, 19(4): 392-402.
Abstract (238) HTML (124) PDF (2334KB)(13)
Abstract:
The technique of ESR was applied to determine the Cenozoic red beds, Muli Basin, therefore, we can get the age of sedimentary and tectonic deformation. The results indicated there were huge thick Cenozoic Red Beds and tectonic deformation geochronological data, well recording the uplift of Qilian Mo...
GEOCHEMICAL CHARACTERISTICS OF BEIYI AND NANLIU OREBODIES IN THE SHILU IRON DEPOSIT IN HAINAN PROVINCE
YANG Xu-gang, HU Bao-qun, GAO Hai-dong, XU De-ru, LI Man-gen, GUO Tao
2013, 19(4): 403-412.
Abstract (292) HTML (151) PDF (2858KB)(11)
Abstract:
Beiyi orebody and Nanliu orebody are the two main orebodies of Shilu iron deposit in Hainan Province, with high research value, ore-bearing wall rocks being the diopside-tremolite rocks and iron ores being mainly composed of hematite and tiny magnetite. By studying geochemical characteristics of wal...
PETROGENESIS AND TECTONIC SIGNIFICANCE OF GRANITE IN THE HAOYAOERHUDONG GOLD DEPOSIT IN INNER MONGOLIA
LIU Jian-chao, WANG De-quan, ZHANG Hai-dong, MEN Wen-hui, ZHENG Li-hong, ZHAO Zong-qin, Li Qiang, GAO Hai-long
2013, 19(4): 413-422.
Abstract (332) HTML (213) PDF (3573KB)(8)
Abstract:
The Haoyaoerhudong gold deposit is a mesothermal-epithermal deposit with ultra-large reserves and low grade. Hercynian granite was developed in the gold deposit. Granitite, granite aplite, granite pegmatite and granite-porphyry could be found in the Haoyaoerhudong gold deposit. The content of SiO2 i...
STUDY ON TECHNOLOGY OF SLOPE/LANDSLIDE STABILITY ANALYSIS AND EARLY WARNING UNDER HEAVY RAINFALL
ZHU Zhi-ming, ZHOU Kai-rui, TAN Chun-hong, BIAN Jing-sheng, WEI Yuan, ZOU Zu-yin
2013, 19(4): 423-430.
Abstract (240) HTML (175) PDF (2705KB)(22)
Abstract:
Erman mountain landslide of Han Yuan County as the example, according to the exploration of landslide site conditions and indoor test of soil parameters; Choosing a built-in VBA for development tool to develop the side (slip) slope stability analysis plug-in based on ArcGIS, which makes the study re...
TRANSFER COEFFICIENT METHOD AND ITS IMPROVEMENT FOR THE CUTTING SLOPE
WANG Zong-lin, LIANG Tian-yi, LIANG Bing
2013, 19(4): 431-439.
Abstract (231) HTML (208) PDF (1929KB)(33)
Abstract:
The traditional calculation method of slope stability coefficient assumes that the direction of the interaction force between slide blocks is same with that of the sliding surface of last block. However, when the sliding surface is relatively steep or gradual, or when the ground water is involved, t...
RESEARCH ON THE APPLICATION OF TURNAROUND FRACTURING TECHNOLOGY IN INJECTION-PRODUCTION CORRESPONDING WELLS
LI Min
2013, 19(4): 440-446.
Abstract (173) HTML (92) PDF (2093KB)(23)
Abstract:
In order to solve the difficulty of the low permeability reservoir's low production of old wells and poor flood effectiveness in Shuguang mine area of Liaohe Oilfield, an injection-production corresponding wells of turnaround fracturing technology research is carried out. Through turnaround Mechanis...