Zhifeng Wan
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View article: Influence of Particle Size on the Dynamic Non-Equilibrium Effect (DNE) of Pore Fluid in Sandy Media
Influence of Particle Size on the Dynamic Non-Equilibrium Effect (DNE) of Pore Fluid in Sandy Media Open
The dynamic non-equilibrium effect (DNE) describes the non-unique character of saturation–capillary pressure relationships observed under static, steady-state, or monotonic hydrodynamic conditions. Macroscopically, the DNE manifests as var…
View article: High-Dimensional Model Averaging via Cross-Validation
High-Dimensional Model Averaging via Cross-Validation Open
Model averaging is an important alternative to model selection with attractive prediction accuracy. However, its application to high-dimensional data remains under-explored. We propose a high-dimensional model averaging method via cross-va…
View article: Constraints of Tectono-Sedimentary Differentiation on Dolomite Origin During a Key Tectonic Transition: A Case Study of Middle Ordovician, Western Margin Ordos Basin, China
Constraints of Tectono-Sedimentary Differentiation on Dolomite Origin During a Key Tectonic Transition: A Case Study of Middle Ordovician, Western Margin Ordos Basin, China Open
View article: Provenance and transport mechanism of marine sediments in the Zhongjiannan Basin
Provenance and transport mechanism of marine sediments in the Zhongjiannan Basin Open
The research on the source of marine sediments has a vital impact on identifying material sources, transport mechanism, and the evolution of sedimentary environments. Previous studies have shown many outstanding achievements on the source …
View article: The formation of tubular seep carbonate deciphered from mineralogical and geochemical characteristics: an example from the South China Sea
The formation of tubular seep carbonate deciphered from mineralogical and geochemical characteristics: an example from the South China Sea Open
As a special type of seep carbonate, the many details concerning the formation mode and mechanism of tubular seep carbonates are rarely reported. Here, new geochemical and mineralogical data regarding tubular seep carbonate (SQW-65) are re…
View article: Geochemical characteristics of sediment and pore water affected by cold seeps in southern South China Sea
Geochemical characteristics of sediment and pore water affected by cold seeps in southern South China Sea Open
Cold seep, characterized by active material circulation and methane seepage, is of great importance to reconstruct the paleo-marine environment and trace the origin of life and the occurrence of minerals. Southern South China Sea (SCS) wit…
View article: Editorial: Gas hydrate appearance, accumulation, exploration and exploitation in continental margins
Editorial: Gas hydrate appearance, accumulation, exploration and exploitation in continental margins Open
EDITORIAL article Front. Earth Sci., 11 January 2023Sec. Marine Geoscience Volume 11 - 2023 | https://doi.org/10.3389/feart.2023.1121601
View article: Early Cretaceous Granitoids Magmatism in the Nagqu Area, Northern Tibet: Constraints on the Timing of the Lhasa–Qiangtang Collision
Early Cretaceous Granitoids Magmatism in the Nagqu Area, Northern Tibet: Constraints on the Timing of the Lhasa–Qiangtang Collision Open
The timing of the Lhasa–Qiangtang collision following the closure of the Bangong–Nujiang Tethys Ocean has not been well constrained. An integrated study of whole-rock geochemistry and zircon U–Pb–Hf isotopes was carried out for Early Creta…
View article: The Thermal Effect of Submarine Mud Volcano Fluid and Its Influence on the Occurrence of Gas Hydrates
The Thermal Effect of Submarine Mud Volcano Fluid and Its Influence on the Occurrence of Gas Hydrates Open
Mud volcanoes and other fluid seepage pathways usually transport sufficient gas for the formation of gas reservoirs and are beneficial to the accumulation of gas hydrate. On the other hand, the fluid thermal effects of mud volcanoes can co…
View article: Dissociation of gas hydrates by hydrocarbon migration and accumulation-derived slope failures: An example from the South China Sea
Dissociation of gas hydrates by hydrocarbon migration and accumulation-derived slope failures: An example from the South China Sea Open
The mechanism of slope failure associated with overpressure that is caused by hydrocarbon migration and accumulation remains unclear. High-resolution seismic data and gas hydrate drilling data collected from the Shenhu gas hydrate field (s…
View article: Gas Hydrate Accumulation and Occurrence Associated with Cold Seep Systems in the Northern South China Sea: An Overview
Gas Hydrate Accumulation and Occurrence Associated with Cold Seep Systems in the Northern South China Sea: An Overview Open
Studying deep-water cold seep systems is of great significance to gas hydrate exploration due to their close relationship. Various cold seep systems and related gas hydrate accumulations have been discovered in the northern South China Sea…
View article: Formation Mechanism of Mud Volcanoes/Mud Diapirs Based on Physical Simulation
Formation Mechanism of Mud Volcanoes/Mud Diapirs Based on Physical Simulation Open
The formation of mud volcanoes/mud diapirs is directly related to oil and gas accumulation and gas-hydrate mineralization. Their eruptive activities easily cause engineering accidents and may increase the greenhouse effect by the eruption …
View article: Geochemical Characteristics of Hydrocarbons in Core Sediments From the Southwest Sub-Basin of the South China Sea and Its Implications for the Sedimentary Environment
Geochemical Characteristics of Hydrocarbons in Core Sediments From the Southwest Sub-Basin of the South China Sea and Its Implications for the Sedimentary Environment Open
Marine sediments are found to record various information for example the evolution of ocean and the exchange of matter and energy between the surrounding continents and oceans. The Southwest Sub-basin is one of the most important tectonic …
View article: Compositional and geochronological signatures of metamafic dykes from the Sangsang peridotites, South Tibet: Evidence for magma-starved forearc rifting during Neo-Tethyan subduction re-initiation
Compositional and geochronological signatures of metamafic dykes from the Sangsang peridotites, South Tibet: Evidence for magma-starved forearc rifting during Neo-Tethyan subduction re-initiation Open
View article: Hydrochemical Characteristics and Evolution Mode of Cold Seeps in the Qiongdongnan Basin, South China Sea
Hydrochemical Characteristics and Evolution Mode of Cold Seeps in the Qiongdongnan Basin, South China Sea Open
Submarine cold seeps have recently attracted significant attention and are among the most effective indicators of gas hydrate in the oceans. In this study, remotely operated vehicle (ROV) observations, seismic profiles, core sediments, bot…
View article: Mesozoic Northward Subduction Along the SE Asian Continental Margin Inferred from Magmatic Records in the South China Sea
Mesozoic Northward Subduction Along the SE Asian Continental Margin Inferred from Magmatic Records in the South China Sea Open
During the Mesozoic, Southeast (SE) Asia (including South China and the South China Sea (SCS)) was located in a transitional area between the Tethyan and Pacific geotectonic regimes. However, it is unclear whether geodynamic processes in t…
View article: Post-spreading Basalts from the Nanyue Seamount: Implications for the Involvement of Crustal- and Plume-Type Components in the Genesis of the South China Sea Mantle
Post-spreading Basalts from the Nanyue Seamount: Implications for the Involvement of Crustal- and Plume-Type Components in the Genesis of the South China Sea Mantle Open
Fresh samples of basalts were collected by dredging from the Nanyue intraplate seamount in the Southwest sub-basin of the South China Sea (SCS). These are alkali basalts displaying right-sloping, chondrite-normalized rare earth element (RE…
View article: The Formation and Evolution of Mud Volcano: The Significance of Scientific Research on the Earth System
The Formation and Evolution of Mud Volcano: The Significance of Scientific Research on the Earth System Open
View article: Characterization of mud volcanoes in the northern Zhongjiannan Basin, western South China Sea
Characterization of mud volcanoes in the northern Zhongjiannan Basin, western South China Sea Open
Mud volcanoes are important to understand hydrocarbon research and exploration, crustal movement and neotectonic activity, geological engineering, and climate change. They are widely distributed along the Alps‐Tethys suture zone, the Pacif…
View article: Depositional environment, hydrocarbon generation and expulsion potential of the middle Permian Pingdiquan source rocks based on geochemical analyses in the eastern Junggar Basin, NW China
Depositional environment, hydrocarbon generation and expulsion potential of the middle Permian Pingdiquan source rocks based on geochemical analyses in the eastern Junggar Basin, NW China Open
As the most important source rocks in the eastern Junggar Basin, the middle Permian Pingdiquan (P2p) source rocks have attracted increasing attention after the discovery of tight oil in the Shazhang uplift. The P2p so…