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2025, Volume 31,  Issue 1

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2025, 31(1)
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2025, 31(1): 1-2.
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Special Section Dedicated to the 30th Anniversary
J. S. Lee’s pioneering contribution to Geomechanics：the 135th anniversary of J. S. Lee’s birth
TONG Hengmao
2025, 31(1): 1-7. doi: 10.12090/j.issn.1006-6616.2024085
Abstract (397) HTML (33) PDF (609KB)(54)
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Objective The Chinese academic community is well known for J. S. Lee’s creation of geomechanics, but the academic community’s understanding of “geomechanics” is still different, and some scholars have doubts about J. S. Lee’s creation of geomechanics. As a result, the understanding of J. S. Lee’s a...
Mechanics and analog modeling of the Huo-Ma-Tu thrust sheet in the southern Junggar Basin fold and thrust belt
YANG Geng, CHEN Zhuxin, LU Xuesong, ZHANG Yuqing
2025, 31(1): 8-23. doi: 10.12090/j.issn.1006-6616.2023074
Abstract (183) HTML (35) PDF (7258KB)(48)
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Objective Understanding the mechanical development of thrust sheets is fundamental, yet challenging, to comprehensively understand the deformation processes of thrust belts. Various models explain the mechanics behind thrust sheet development, yet significant controversies persist. Methods This stu...
Tectonic transition and extension at the eastern and western ends of the Altyn Tagh fault: insights from triple junctions
YI Kexin, JOLIVET Marc, GUO Zhaojie
2025, 31(1): 24-38. doi: 10.12090/j.issn.1006-6616.2024068
Abstract (557) HTML (34) PDF (4785KB)(75)
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Objective The Altyn Tagh fault (ATF) is the largest left-lateral strike-slip fault on the northern margin of the Qinghai-Tibet Plateau, extending for about 1600 km. It accommodates a considerable portion of the India-Eurasia convergence and is widely regarded as a key tectonic boundary influencing t...
Tectonic System & Structural Geology
Tectonic characteristics and numerical simulation analysis of an arcuate structural belt：A case study of the middle and southern segments of the Red River fault
WANG Chenxu, LI Xi
2025, 31(1): 39-60. doi: 10.12090/j.issn.1006-6616.2024042
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Objective The southeast Yunnan Arcuate Structural Belt, with the central and southern segments of the Red River fault as its main body, serves as the southwestern boundary of the Sichuan-Yunnan block and the forefront of its south-southeastward movement. However, there is still controversy as to whe...
Ore Field Structure & Mineralization
Geochemistry of pyrite and its implications for exploration of the Jiuzhanggou gold deposit in western Henan
SI Jiantao, BAI Desheng, ZHAO Zhiqiang, LIANG Zhen, YANG Jingnan, LIU Jianping, DING Tao, Ahmad Osama
2025, 31(1): 61-79. doi: 10.12090/j.issn.1006-6616.2023140
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Objective Pyrite is a common auriferous mineral in gold deposits. Its mineral geochemistry not only plays a significant role in elucidating ore genesis, but also provides important information for the exploration of deposits. The Jiuzhanggou gold deposit in western Henan Province is a gold deposit t...
Geo-hazards & Engineering Geology
Water inrush mechanism and the minimum safety thickness of the rock wall of a tunnel crossing a fault fracture zone
YUAN Dong, XIAO Kun
2025, 31(1): 80-90. doi: 10.12090/j.issn.1006-6616.2024065
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Objective With the relocation of major national strategic plans to western China, railway construction has gradually focused on the complex and dangerous mountainous regions of Yunnan, Sichuan, and Xizang Provinces, where the proportion of tunnels along the railway is very high. When a tunnel passes...
Geological environment and main geological safety challenges in the northern segment of the southeast Xizang (Tibet) power transmission corridor
TIAN Xuwen, WANG Yanbing, ZHU Shu, YAO Xin, LI Xianxin
2025, 31(1): 91-108. doi: 10.12090/j.issn.1006-6616.2024034
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Objective Southeast Xizang(Tibet) boasts a wealth of hydroelectric resources, attributed to its distinctive topography, geomorphology, and climatic conditions. This study aims to safeguard the geological route selection, construction, and operation of the northern segment of the southeast Xizang(Tib...
Improving the inversion accuracy of shallow shear wave velocity structure based on microtremor method: A case study of Haikou Jiangdong New District
ZHANG Qian, WU Xiaojie, ZHONG Zhoucan, CAI Shuiku
2025, 31(1): 109-123. doi: 10.12090/j.issn.1006-6616.2024055
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Objective The microtremor survey method is not limited by the spatiotemporal distribution of seismic sources and has become an effective method for observing the structure of shallow shear wave velocity. An experiment to compare microtremor, drilling, and shear wave logging was conducted in Jiangdon...
Active Tectonics & Earthquake
Avoidance distance and influence range of active faults: A case study of Litang fault
YANG Zhen, ZHONG Ning, ZHANG Xianbing, YU Hao, GUO Changbao, LI Haibing
2025, 31(1): 124-138. doi: 10.12090/j.issn.1006-6616.2023085
Abstract (273) HTML (38) PDF (7601KB)(43)
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Objective Active faults can not only trigger strong earthquakes, but also cause engineering breaks, creep deformation, and geological disasters, which seriously threaten the planning, construction, and safe operation of major projects. Methods In this study, based on the statistics of coseismic sur...
Characteristics of geological hazard development and disaster-inducing environment of the MS6.2 earthquake in Jishishan, Gansu Province
LU Shiming, WU Zhonghai, HUANG Ting
2025, 31(1): 139-155. doi: 10.12090/j.issn.1006-6616.2024069
Abstract (297) HTML (53) PDF (9891KB)(45)
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Objective The MS6.2 earthquake that struck Jishishan County, Gansu Province, on December 18, 2023, triggered a series of secondary geological disasters, including landslides, collapses, and debris flows. This earthquake is considered one of the most devastating seismic events in China in recent year...
Fundamental Geology & Regional Geology
Zircon U-Pb age, geochemical characteristics, and tectonic implications of the early Permian ultrabasic dykes in the Harlik Mountain, east Tianshan, Xinjiang
DU Xiaofei, WANG Wei, ZHANG Chuanlin, MA Huadong, ZHU Bingyu, QIU Lin
2025, 31(1): 156-168. doi: 10.12090/j.issn.1006-6616.2024020
Abstract (180) HTML (44) PDF (2767KB)(21)
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Objective During multiple stages of magmatic activity in the Harlik Mountains of the east Tianshan, extensive granitic and mafic dyke swarms were formed. This study aims to constrain the closure time of the Paleo-Asian Ocean in this area and to elucidate the tectonic environment in which ultrabasic ...
Inside Front Cover
Inside Front Cover
2025, 31(1)
Abstract (28) PDF (6620KB)(11)
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Inside Back Cover
Inside Back Cover
2025, 31(1)
Abstract (24) PDF (6406KB)(12)
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