39 Result(s)
within
Earth Sciences
Geology
**-Peng Li
Article
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Article
Risk assessment of landslide and rockfall hazards in hilly region of southwestern China: a case study of Qijiang, Wuxi and Chishui
Geological events that cause casualties and huge property losses frequently occur in the hilly region of Southwest China. Especially for economically underdeveloped mountainous cities, the vulnerability of soc...
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Article
Study on influencing factors and mechanism of land subsidence in delta resource exploitation area of Shengli oilfield
To prevent or reduce the loss caused by land subsidence in delta region, the land subsidence of the Zhuangxi–Wuhaozhuang oil area in Shengli Oilfield is predicted based on the elastic theory of porous medium a...
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Article
Analysis of the evolution characteristics of infrared energy of coal samples under composite disturbance of dynamic and static loads
Coal deformation and damage are the fundamental causes of mining disasters. This paper proposes an intelligent sensing method of infrared thermal imaging applied to the characterization analysis of deformation...
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Article
Open AccessResearch on key technology of packer rubber barrel for integrated fracturing and completion of gas well
The staged and layered fracturing technology plays an important role in unconventional tight reservoirs. And the gas well fracturing and completion integration is the core component to realize the fracturing a...
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Article
Hydrogeochemical indicators of a nested groundwater flow system in arid and semi-arid regions: evidence from the Aksu River Basin, **njiang, China
Investigating and studying groundwater flow systems is important for water resources management, for pollution prevention and for maintaining the ecological balance in arid and semi-arid areas. Systematic geop...
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Article
Silicified Microorganisms and Microorganism-Like Particles in the Groundwater of an Abandoned Coal Mine
Relatively little research has been conducted on the preservation of microorganisms and microbial particles in the groundwater of abandoned mines (GAM). In this study, silicified microorganism-like particles, ...
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Article
Critical Metals Ga, Ge and In in the Global Pb-Zn Deposits: Current Understanding, Challenges and Perspectives
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Article
Pyrite trace element and S-Pb isotopic evidence for contrasting sources of metals and ligands during superimposed hydrothermal events in the Dong** gold deposit, North China
The Dong** gold deposit, located near the northern margin of the North China Craton, contains ore bodies spatially associated with the Devonian Shuiquangou syenite, Cretaceous Shangshuiquan granite, and Arch...
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Article
Water-in-zircon: a discriminant between S- and I-type granitoid
Granitic rocks are crucial in revealing continental crust formation and evolution. The classic S- and I-type granitoid classification (based upon metasedimentary vs. metaigneous protolith) is widely adopted, b...
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Article
Theoretical analysis on stress distribution characteristics around a shallow buried spherical Karst cave containing fill materials in limestone strata
The chief objective of the article is to learn the spatial characteristics of stress distribution around a shallow buried spherical Karst cave containing fill materials in limestone strata. First, considering ...
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Article
Water Inrush Detection in Limestone Pit Rock Walls Using Borehole-to-Surface ERT
Large volumes of water originating from limestone pit rock walls can cause construction hazards. To ensure safe construction and avoid inaccurate grouting, localized detection work is necessary. Borehole-to-su...
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Article
Integrated geophysical detection of water inrush from foundation pit near the river: a case study of Nan**g subway station
A sudden water inrush will inundate the foundation pit and bring great difficulty to construction. Subway construction near a river is more complicated since the river water is usually closely related to the g...
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Article
The prograde-to-retrograde evolution of the Huangsha** skarn deposit (Nanling Range, South China)
Huangsha** is a world-class skarn deposit hosting abundant W–Sn polymetallic mineralization in the Nanling Range, South China. Although the geochemistry of skarn-hosted mineral deposits has been extensively ...
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Article
Open AccessThe study on experimental method of fluid stress sensitivity of low permeability in tight reservoir
According to the industry standard, low permeability and tight reservoir are highly stress-sensitive in laboratory tests. However, this phenomenon has not been effectively confirmed in the field production tes...
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Article
Deforestation-induced warming over tropical mountain regions regulated by elevation
Agriculture is expanding in tropical mountainous areas, yet its climatic effect is poorly understood. Here, we investigate how elevation regulates the biophysical climate impacts of deforestation over tropical...
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Article
An Investigation of Dislocation in Olivine Phenocrysts from the Hawaiian Basalts
Intracrystalline distortions (like undulose extinction, dislocations, and subgrain boundaries) in olivine from naturally-deformed peridotites are generally taken as signs of dislocation creep. However, similar...
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Article
A method for determining reasonable water area ratio based on flood risk and cost-effectiveness in Rainy City
Urban flooding is increasingly pervasive, with the decreasing water area in cities and the dreadful impact on people. Therefore, it is necessary to carry out a quantitative evaluation of the area of urban wate...
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Article
Open AccessExperimental research on novel oil displacement and profile control system for heterogeneous reservoir
Polymer flooding and surfactant/polymer flooding (SP flooding) were mainly focused on the improvement in oil–water flow ratio and the reduction in oil–water interfacial tension. Preformed particle gel (PPG) fl...
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Article
Relative roles of formation and preservation on gold endowment along the Sanshandao gold belt in the Jiaodong gold province, China: importance for province- to district-scale gold exploration
The 13-km-long Sanshandao gold belt along the NNE-trending Sanshandao Fault has highly variable orogenic gold endowment along-strike. New thermochronological data from the small Cangshang gold deposit demonstr...
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Article
Inducing mode analysis of rock burst in fault-affected zone with a hard–thick stratum occurrence
Study of movement characteristics of a hard–thick stratum (HTS) affected by a fault in a coalmine is significant to predict the dynamic hazards (i.e., rock bursts and shock bumps) because of the particular str...
