2024 Vol. 30, No. 4

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2024, 30(4)
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2024, 30(4): 1-2.
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Tectonic System & Structural Geology
Tectonic and geomorphological characteristics of Laoyingshan in the eastern Sichuan-Yunnan block：Insights into the uplift and rotation of the blocks
XU Qinru, DONG Youpu, XIE Zhipeng, REN Yangyang, LI Jiangtao, CAO Dengchi, SU Xiaolong
2024, 30(4): 535-546. doi: 10.12090/j.issn.1006-6616.2023087
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Objective Since the collision and compression of the Indo-European continental plates, the Qinghai-Tibetan Plateau has experienced uplift and intra-land deformationSince the collision and compression of the Indo-European continental plates, the Qinghai-Tibetan Plateau has experienced uplift and intr...
Crustal Stress & Tectonic Stress Field
Differences in crustal stress direction in the southern section of the Huayingshan fault zone in Sichuan Basin: Insights from in situ borehole image logging
TANG Rong, LI Jinxi, LUO Chao, CAI Hongyan, XIE Rongjie, LIU Aodong, GONG Zilong
2024, 30(4): 547-562. doi: 10.12090/j.issn.1006-6616.2023109
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Objective The Huayingshan fault zone, the largest fault zone within Sichuan Basin, exhibits notable differences in geological structures on both sides. Historically, earthquakes with a magnitude of ≤5 have occurred frequently along this fault zone, which remains relatively active to this day, distur...
Energy Resources Geology
Fracture network complexity of tight sandstone and its influencing factors
LIU Shengxin, FU Huiqi, FENG Xingqiang, HAN Xiaoxiang, WANG Bingqian
2024, 30(4): 563-578. doi: 10.12090/j.issn.1006-6616.2023128
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Objective Fracture network analysis plays an important role in oil and gas exploration and development. However, complexity analysis of tight sandstone fracture networks and their control factors is relatively lagging. Based on an experimental study of the dynamic evolution of the complex fracture n...
Diagenesis of microbial dolomite reservoirs in the second Member of Dengying Formation of Ediacaran in the Penglai area, Sichuan Basin: Insights into the formation and evolution of high-quality reservoirs
WANG Yaping, BAO Zhidong, ZHANG Lianjin, YANG Dongfan, WEN Wen, ZHONG Yuan, TANG Pan
2024, 30(4): 579-594. doi: 10.12090/j.issn.1006-6616.2024062
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Objective The microbial dolomite of the second Member of the Dengying Formation（Deng 2 Member） in the Penglai area of the Sichuan Basin is widely distributed and considered a potential target for deep carbonate oil and gas exploration. Unlike conventional high-quality reservoirs characterized by por...
Characteristics of life-cycle stages and reservoir control in the development of extensional faults in the Dongying Sag
JI Qingjia, ZHOU Weiwei, HAN Runsheng, HU Yang
2024, 30(4): 595-608. doi: 10.12090/j.issn.1006-6616.2023147
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Objective Faults are among the most prevalent geological structures in oil and gas basins. Because of their significant connection to oil and gas resources, they have consistently attracted the attention of experts and scholars in the field, making them a hot research topic. Although previous resear...
3D digital modelling and detailed anatomy of tight sandstone reservoir outcrop with oil-bearing heterogeneity: A case study of Angou outcrop of Triassic Yanchang Formation in Ordos Basin
ZHANG Xiaoyin, ZHAN Rongruo, DUAN Liang, LUO Xiaorong, WEI Ronghao
2024, 30(4): 609-621. doi: 10.12090/j.issn.1006-6616.2024028
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Objective Our understanding of architecture-controlled oil-bearing heterogeneity shown in tight sandstone reservoirs is hindered by scarcity of large-scale oil-bearing outcrops. Triassic lacustrine delta and fluvial succession exposed in a quarry near Angou village （Yanchang county, northern Shannxi...
Cenozoic tectonic-thermal history reconstruction of the Qinnan Depression, Bohai Basin
GAO Yufei, TANG Xiaoyin, YANG Shuchun, ZHAO Xinyan, HU Shengbiao
2024, 30(4): 622-632. doi: 10.12090/j.issn.1006-6616.2023168
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Objective Tectono-thermal history is important to understand basin evolution and its geodynamic mechanism and is the key question to be solved for source rock maturation study. With the increasing energy demand and difficulty in oil and gas discovery on land, sea basins have gradually become an impo...
Geo-hazards & Engineering Geology
Application of integrated model based on EEMD-CNN-LSTM for landslide-displacement prediction
LIU Hangyuan, CHEN Weitao, LI Yuanyao, XU Zhanya, LI Xianju
2024, 30(4): 633-646. doi: 10.12090/j.issn.1006-6616.2023145
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Objective Landslide-displacement prediction is critical when evaluating landslide stability. Despite the achievements of time-series methods based on deep-learning paradigms in predicting landslide displacement, the nonstationary, periodic, and trending characteristics of landslide displacement data...
Development characteristics and risk assessment of geological hazards in the mountainous and hilly areas of western Zhengzhou City
ZHANG Jianyu, LYU Dunyu, LIU Songbo, WANG Cuiling, MENG Shuran
2024, 30(4): 647-658. doi: 10.12090/j.issn.1006-6616.2022116
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Objective The mountainous and hilly areas of western Zhengzhou City have a complex geological environment, affected by rainfall and human engineering activities. Geological hazards such as collapses, landslides, and debris flows occur frequently. In particular, the “7·20” extreme rainstorm that occu...
Debris flow hazard analysis before and after improvement of Hanjia gully control engineering at the source area of the Fujiang River
TANG Haibing, WU Jianjun, ZHANG Chunshan, YANG Weimin, QU Jingkai, MA Siqi, XU Chuancheng
2024, 30(4): 659-672. doi: 10.12090/j.issn.1006-6616.2023097
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Objective Debris flow from the Hanjia gully develops on the left bank of the source area of the Fujiang River, Fenghe Village, Xiaohe Town, Songpan County, China. In recent years, debris flows have occurred frequently, and the largest debris flow occurred in August 2022, which seriously threatened t...
Quaternary Geology & Environment
The evolutionary process of Cenozoic Asian monsoon
LIN Xu, WU Zhonghai, DONG Yanyu, XIE Yuanyun, LIU Haijin, LI Zhaoning
2024, 30(4): 673-690. doi: 10.12090/j.issn.1006-6616.2023093
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Objective The formation of monsoon climates is attributed to the seasonal reversal of wind direction and precipitation caused by the difference in thermal capacity between land and ocean. Asia is recognized as the most prominent region globally, with monsoon climates, that affect the largest populat...
Karst groundwater enrichment law in Laiwu Basin
LI Bo, YU Dalu, WANG Nan, BI Wenwen, GAO Shuai, XU Qin, WANG Yuwei, HOU Peng
2024, 30(4): 691-702. doi: 10.12090/j.issn.1006-6616.2023166
Abstract (428) HTML (63) PDF (2613KB)(63)
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Objective The Laiwu Basin is a typical monocline fault basin in the central and southern regions of Shandong Province. It has a complex geological structure and an uneven distribution of groundwater resources within the region. Previous researchers have conducted a large number of hydrogeological an...
Research Express
Recognition of eclogites in the Huangzhuling area of eastern Hainan Island
LIU Xiaochun, HU Juan, ZHENG Guanggao, TIAN Yuan, CHEN Longyao
2024, 30(4): 703-704. doi: 10.12090/j.issn.1006-6616.20243003
Abstract (309) HTML (152) PDF (1774KB)(68)
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