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SubsurfaceBreaks v. 1.0: a supervised detection of fault-related structures on triangulated models of subsurface homoclinal interfaces
Published 2025-07-01“…<p>The study presents a novel approach for fault detection on subsurface geological homoclinal interfaces (slopes) using a supervised learning algorithm and careful input variable (feature) selection. …”
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Surface and subsurface geology of the Hontomín structure, Western Pyrenees
Published 2025-12-01“…In contrast, the unconformable Cenozoic layers dip only a few degrees southward. However, seismic data interpretation reveals a much more complex subsurface structure. …”
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Calculation of borehole transient electromagnetic apparent resistivity and dip in anisotropic medium
Published 2025-03-01“…However,the current theoretical models based on isotropic media do not fully correspond to the actual development environment of most oil and gas fields in China, which is the fact of heterogeneous and anisotropic formations.ObjectivesConsidering the complexity and heterogeneity of subsurface media, it is of great significance to study borehole transient electromagnetic method in anisotropic formations.MethodsBased on borehole transient electromagnetic theory, the relationship between apparent resistivity and apparent dip angle of anisotropic formation borehole is derived through analytical calculation by studying the three component induction data.ResultsThe results indicate that for isotropic media models, the apparent resistivity and apparent dip angle effectively can better reflect the formation resistivity and dip angle within the model. …”
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Overview on the subsurface structure-tectonic controls in the northwest Bahariya, Western Desert, Egypt
Published 2020-12-01“…The models indicate a rough basement surface with a regional dip regime toward the north, overlain by a sedimentary cover ranges between 1 and 4.5 km in thickness. …”
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Characteristics, causes and significance of subsurface stress field of Beijing earth fissures group
Published 2024-12-01“…The mechanical analysis of these fissures groups reveals that they are roughly formed through 3 models, namely, ‘contemporaneous model’ (dip-slipping movement), ‘secondary model’ (strike-slipping movement) and ‘companion model’ (basin extension movement). …”
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New approaches to the architectural analysis of deltaic outcrops: Implications for subsurface reservoir characterization and paleoenvironmental reconstruction
Published 2023-06-01“…This database characterizes a total of 508 sandstone beds by their thickness, length, and dip, from which the average thickness (0.78 m), bed length (330 m), and bed dip (2˚ towards the south) were calculated. …”
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SHALLOW SUBSURFACE STRUCTURES AND QUATERNARY DEFORMATIONS ON THE EASTERNMOST MATANO FAULT, INDONESIA, REVEALED BY ELECTRICAL RESISTIVITY TOMOGRAPHY
Published 2024-01-01“…On ERT sections, the easternmost Matano fault is characterized by deformed resistivity layers and resistivity contrasts. The subsurface fault structures dip steeply and indicate reverse and normal motions for the vertical component, with the displacement related to the Quaternary faulting ranging from 3 to 26 m. …”
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Use of Subsurface Geology in Assessing the Optimal Co-Location of CO2 Storage and Wind Energy Sites
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SHARAD Illuminates Deeper Martian Subsurface Structures with a Boost from Very Large Rolls of the MRO Spacecraft
Published 2025-01-01“…In the higher dielectric terrain of Amazonis Planitia, the third VLR observation improved continuity of a dipping subsurface interface, but it revealed neither an extension of the interface to greater depths nor any deeper interfaces. …”
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A spatial slip plane-based vegetation model for slope reinforcement and shallow landslide mitigation
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Modeling of potential field data for detecting structural and tectonic framework of Esh El Mellaha area, Red Sea, Egypt
Published 2025-06-01“…Across these methods, the estimated depth ranges from 300 to 5000 m, with an average depth of approximately 2380 m, offering critical insights into the subsurface geological framework. Two-dimensional (2.5D) modeling was conducted on two selected gravity and magnetic profiles to estimate the depth, dip, density, and magnetic susceptibility of the source bodies. …”
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Impact of twin typhoons on the upper ocean environment across the Northwest Pacific ocean
Published 2025-03-01“…The Ekman pumping effect led to modifications in the subsurface layer, which improved SST cooling and caused MLD deepening.…”
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Strong impact of the rare three-year La Niña event on Antarctic surface climate changes in 2021–2023
Published 2025-05-01“…Here, we show that the triple-dip La Niña event during 2021–2023 (referred to as TD_LN2023) played a major role in these changes. …”
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Seismic Survey in Lesser Himalayan Thrust Belt, Western Nepal
Published 2022-01-01“…The main motivation is to elucidate the geologic relationship between the known oil and gas seeps, subsurface structure, and stratigraphy in the area. …”
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GEOMETRY OF RECENT RUPTURE ZONE AT СAPE RYTYI BASED ON GROUND PENETRATING RADAR (NORTHWESTERN COAST OF LAKE BAIKAL)
Published 2022-09-01“…The research was aimed at subsurface imaging of dislocation geometry using the Logis-Geotech OKO-2 radar equipped with the ABDL Triton antenna. …”
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LOW FREQUENCY PASSIVE SEISMIC ANALYSIS FOR CHARACTERIZING HYDROCARBON PRESENCE IN THE KENDAL SUBBASIN
Published 2025-01-01“…The polarity analysis was also performed, resulting in an average azimuth of 0.430 NNE, with an average dip of 0.680. These results inform us that the hydrocarbon flows from the border fault in the north to the well. …”
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Geophysical and Remote Sensing Techniques for Large-Volume and Complex Landslide Assessment
Published 2025-06-01“…The results reveal a complex geological framework dominated by the Teramo Flysch, where weak clayey facies and structurally controlled dip-slopes predispose the area to gravitational instability. …”
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