2022 Vol. 28, No. 2

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2022, 28(2): .
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Contents
2022, 28(2): 154-154.
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Surface rupture investigation of the 2022 Menyuan MS 6.9 Earthquake, Qinghai, China: Implications for the fault behavior of the Lenglongling fault and regional intense earthquake risk
HAN Shuai, WU Zhonghai, GAO Yang, LU Haifeng
2022, 28(2): 155-168. doi: 10.12090/j.issn.1006-6616.2022013
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The MS 6.9 Menyuan earthquake on January 8, 2022 occurred in the Qilian Mountain fault block in the northeastern margin of the Tibetan Plateau. The instrumental epicenter is located in the Lenglongling fault zone in the west section of the Haiyuan active fault system. It is another strong earthquake...
The 2012 Thabeikkjin (Myanmar) M 7.0 earthquake and its surface rupture characteristics
CHANG Zufeng, ZHANG Jianguo, SHEN Chongyang, LI Chunguang, LIU Changwei, WANG Guangming, YU Jiang
2022, 28(2): 169-181. doi: 10.12090/j.issn.1006-6616.2021161
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Based on the first-hand data obtained from the field survey in terms of geology, landforms, earthquake ruins, this paper focuses on the activity behavior of the Sagaing fault, as well as the damaged buildings and seismic surface rupture zone generated by the 2012 earthquake. The Sagaing fault striki...
Deformation asymmetry in foreland thrust belts and the kinematic direction of the related thrust faults
CHEN Shuping, WAN Huachuan, YUAN Haowei, WANG Xinpeng, HUANG Xueyao
2022, 28(2): 182-190. doi: 10.12090/j.issn.1006-6616.2021080
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The thrust directions in foreland thrust belts have not been explained on theory. Based on Coulomb fracture criterion and deformation asymmetry in foreland thrust belt, the origins of fore-thrust and back-thrust faults are analyzed in this paper. Two potential conjugate fractures would occur in init...
Study on the hydraulic fracturing in-situ stress measurement in super-long highway tunnels in southern Shaanxi:Engineering geological significance
LI Bin, ZHANG Wen, WEN Ran
2022, 28(2): 191-202. doi: 10.12090/j.issn.1006-6616.2021053
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The complex terrain and marked anisotropy of regional tectonic stress field in western China make the crustal stress state an important assessment parameter. Understanding the regional crustal stress state lays the foundation for assessing the layout at the tunnel design stage and predicting rockbur...
The factors influencing the enrichment of organic matters in the Carboniferous source rocks, Ounan depression, eastern Qaidam basin
SHI Hui, LI Zongxing, YANG Yuanyuan, PENG Bo, HU Junjie, FANG Xinxin, ZHANG Hao, WEI Xiaojie
2022, 28(2): 203-216. doi: 10.12090/j.issn.1006-6616.2021135
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The Ounan depression is a favorable structural unit for the Carboniferous hydrocarbon migration and accumulation, which demonstrates certain exploration potential. However, the organic matter enrichment mechanism is still unclear, which results in the absence of effective guidance for predicting the...
Study on influencing factors of oil-water partition coefficient of phenolic compounds
SUN Yanze, PENG Xiaobo, WEN Zhigang, HE Wenxiang, YAN Gang, LIU Xu, ZHONG Ming, TIAN Weichao
2022, 28(2): 217-225. doi: 10.12090/j.issn.1006-6616.2021176
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Alkylphenols are a kind of compounds produced by alkylation of phenolic compounds. Compared with other non-hydrocarbon compounds, alkylphenols are more soluble in water. In this paper, through three groups of oil-water distribution experiments at different temperatures (25 ℃, 45 ℃ and 65 ℃), differe...
Sedimentary characterization and provenance analysis of the 2018 flooding along the Dan River, Shandong, and the hydrodynamic process reconstruction
LI Huayong, ZHAO Nan, YANG Yiping, YU Zhengsong, SUN Qifa, WU Shuaihu, ZHANG Man, ZHANG Hucai
2022, 28(2): 226-236. doi: 10.12090/j.issn.1006-6616.2021112
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Sedimentary characterization of modern floods helps to reconstruct the hydrologic flood process and spot the source area of sediment erosion. It is of great referential value both to the design of flood-control works and the identification of paleo-flood layers. In mid-August 2018, two typhoons batt...
Geochronological and geochemical characteristics of the Caledonian Longquan pluton in southern Zhejiang, and their geological significance
LIU Yuandong, SU Xiaolang, CHENG Haiyan, ZHANG Jianfang, LI Xiang, LIU Fenglong
2022, 28(2): 237-256. doi: 10.12090/j.issn.1006-6616.2021093
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The Longquan pluton is a rare Caledonian granitic rock mass in southern Zhejiang. Studies on the Longquan pluton using petrology, geochemistry, and chronology were conducted in this paper, which reveal that it is composed of granite-monzogranite assemblage (granitoid) and tonalite-trondhjemite-grano...
Analysis on the development law of active geological hazards in the Loess Plateau based on InSAR identification
YAO Chuangchuang, YAO Xin, GU Zhenkui, REN Kaiyu, ZHOU Zhenkai
2022, 28(2): 257-267. doi: 10.12090/j.issn.1006-6616.2021083
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Active geological disasters induced by earthquakes, rainfalls and human engineering activities occur frequently in the Loess Plateau. However, there is a lack of systematic understanding of the development and distribution of active geological disasters in the Loess Plateau due to the wide area, act...
Identification and risk assessment of coal mining-induced landslides in Guizhou Province by InSAR and optical remote sensing
ZHU Yifei, YAO Xin, YAO Leihua, ZHOU Zhenkai, YAO Chuangchuang, XIAO Shihao
2022, 28(2): 268-280. doi: 10.12090/j.issn.1006-6616.2021054
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The Zongling landslide group in Guizhou Province is characterized by strong regularity of disaster formation, concentrated development and severe threat. It is represented in the coal mining-induced geological hazards in western Guizhou and eastern Yunnan. In this paper, InSAR and optical remote sen...
The applicability assessment of Sentinel-1 data in InSAR monitoring of the deformed slopes of reservoir in the mountains of southwest China: A case study in the Xiluodu Reservoir
LI Lingjing, YAO Xin, ZHOU Zhenkai, WANG Defu
2022, 28(2): 281-293. doi: 10.12090/j.issn.1006-6616.2021109
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Sentinel satellite is widely used in deformed slope identification and monitoring due to its high resolution, stable orbit system, large coverage capacity, short repetition time, and free data download. Since the 1963 catastrophic landslide of Vaiant in Italy, the geologic hazard on bank slopes has ...
Evaluation of geohazard susceptibility based on information value model and information value-logistic regression model: A case study of the central mountainous area of Hainan Island
LI Xin, XUE Guicheng, LIU Changzhu, XIA Nan, YANG Yongpeng, YANG Feng, WANG Xiaolin, CHANG Zhenyu
2022, 28(2): 294-305. doi: 10.12090/j.issn.1006-6616.2021111
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As the basis of geohazard risk evaluation, the geohazard susceptibility evaluation can objectively and accurately reflect the probability of geological hazard occurrence by using quantitative mathematical statistics. This article takes Wuzhishan city, where occurs the most geohazards in Hainan Islan...
Hazard assessment of debris flows in Kongpo Gyamda, Tibet based on FLO-2D numerical simulation
ZHANG Haowei, LIU Fuzhen, WANG Junchao, ZHANG Jiajia
2022, 28(2): 306-318. doi: 10.12090/j.issn.1006-6616.2021117
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Kongpo Gyamda is located in eastern Tibet, where debris flows occur frequently in the rainy season, which has a serious impact on local people's daily life and hinders regional economic construction and development. In order to study the hazard characteristics of small to medium-sized debris flow in...

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