Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 12 of 12 for “"Subsurface Mapping"”.
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Subsurface mapping and 3D flexural modeling of the Putumayo foreland basin, Colombia
… of the Carnegie Ridge starting 8 Ma. Based on mapping of the subsurface of the PFB and comparison with published works from the southward continuation of the PFB into Peru and Ecuador, three main across-strike, structural zones, and five tectonosequences of the PFB are described based on …
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The planning of a South African airborne synthetic aperture radar measuring campaign
… a niche in remote sensing with applications in subsurface mapping, surface moisture mapping, vegetation mapping, rock type discrimination and Digital Elevation Modelling. Since these applications have considerable scientific and economic benefits, the Radar Remote Sensing Group at the University …
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Reservoir Characterization and Depositional System of the Atokan Grant Sand, Fort Worth Basin, Texas
… This study analyzes core data and regional subsurface mapping to determine an interpretation of the depositional setting of the Grant Sands. A reservoir characterization with a conceptual model for depositional setting will contribute to the current geologic understanding of the Grant Sand …
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Three-dimensional kinematics and geometries of thrust-related folds
… fold-thrust belt, Oklahoma were studied. Subsurface mapping based on interpretations of seismic-reflection and well data indicates that the duplex is substantially larger than previously thought. Changes in three-dimensional geometry of folds associated with this duplex occur due to …
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Structural study of the auriferous Santoy shear zone, northeastern Glennie domain, Saskatchewan
… alteration, and gold mineralization. Surface and subsurface mapping reveals that the Santoy shear zone, and deposits therein, show a clear structural relationship with the Carruthers Lake synform. The Santoy 7, Santoy “Gap”, and Santoy 8 deposits lie along the western limb of this structure while …
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Geologic Factors Affecting Hydrocarbon Occurrence in Paleovalleys of the Mississippian-Pennsylvanian Unconformity in the Illinois Basin
… Illinois, was chosen as the best site for subsurface mapping due to its high well density, associated Pennsylvanian production, and locally incised productive Chesterian strata. Four cross sections revealed a complex paleovalley reservoir with many potential pay zones. The methodology used …
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Seismic delineation of the southern margin of the middle Devonian prairie evaporite in the Elk Point Basin, south-central Saskatchewan
… was to improve the accuracy and resolution of subsurface mapping by including additional information from well logs and seismic data not included in the previous studies.Approximately 330 km of 2-D seismic data were integrated with horizon picks from 1334 well logs to improve the delineation of …
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Holocene sea-level changes along the Channel coast of South-west England
… method of geophysical survey provides additional subsurface mapping information of the back-barrier sediments, and the lithostratigraphic results support the view that a complex barrier-lagoon system existed along the south Devon coastline during the early Holocene. Almost 13 m of RSL rise …
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INTEGRATING GEOPHYSICAL METHODS TO STUDY SUBDUCTION ZONE PROPERTIES, ACTIVE FAULTING IN A VOLCANIC FIELD, AND VOLCANO LANDSLIDE HAZARDS
… ground access, airborne geophysics enables subsurface mapping of weak rocks on the edifice. I combine magnetic and electromagnetic data to model the thickness and location of fluid saturated and geochemically altered rocks beneath the steep-sloped, ice-covered edifice and use the extent of …
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Advanced Radar Sounder Data Analysis Methods under Limited labeled Data Constraints
… the echoes reflected from the surface and the subsurface layers. They generally operate at low frequencies, typically within the High-Frequency (HF) to Very- High-Frequency (VHF) range, and use relatively wide bandwidths. This frequencies enables penetration into ice, soil, and rock, making …
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Sedimentologic and lithostratigraphic properties and reservoir characterization of the Winnipeg Formation, Southern Saskatchewan
… Ordovician siliciclastic unit that occurs in subsurface of SE Saskatchewan. Deposition of the formation took place on the northern shelf of the sub-circular intracratonic Williston Basin. In the study area, the formation consists of two members: a lower sandstone-dominated Black Island Member …
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Imaging and mitigating karst features
<p>"Over the last three years, a comprehensive subsurface investigation that combines both conventional and geophysical techniques has been conducted near Springfield in southwest Missouri, United States. This study, which forms part of the comprehensive subsurface investigation, aimed to (1) image …