Academic literature on the topic 'Depth-to-Basement'

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Journal articles on the topic "Depth-to-Basement"

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Meixner, Tony, and Indrajit G. Roy. "A new automated method to determine depth to magnetic basement – the Gawler Craton depth to basement map." ASEG Extended Abstracts 2010, no. 1 (2010): 1. http://dx.doi.org/10.1081/22020586.2010.12041842.

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Al-Hadithi, Shams J., and Ahmed S. Al-Banna. "Using Source Parameter Imaging Technique to the Aeromagnetic Data to Estimate the Basement Depth of Tharthar Lake and Surrounding Area in Central Iraq." Iraqi Geological Journal 55, no. 1F (2022): 151–59. http://dx.doi.org/10.46717/igj.55.1f.12ms-2022-06-27.

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This research aims to determine the depth of basement rock at Tharthar Lake and its surroundings. The magnetic data were utilized to determine basement depth using the Source Parameter Imaging and the Half-width methods. Using the GeoSoft-Oasis Montaj software version 8.4 application, the total magnetic intensity of the area was converted to the Reduction to Pole, then the Source Parameter Imaging was calculated. Three grids (dx, dy, and dz) were obtained. These grids then are used as input grids for Source Parameter Imaging computations. The resulting Source Parameter Imaging depth map reveal
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Al-Bahadily, Hayder A., and Ali M. Al-Rahim. "Depth-to-Basement Estimates Using Magnetic Data of the Iraqi Southern Desert: A Statistical Approach." IOP Conference Series: Earth and Environmental Science 1300, no. 1 (2024): 012004. http://dx.doi.org/10.1088/1755-1315/1300/1/012004.

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Abstract Regions characterized by a considerable thickness of sedimentary cover situated on a basement complex are always interesting. These regions require accurate basement data that includes defining the locations of high thicknesses in sedimentary beds (the basins). The Southern Desert of Iraq is one of these regions that is still subject to more detailed studies concerning basement geology. Utilizing the magnetic data, we present five depth-to-basement maps using techniques that hold different theoretical assumptions and model characterizations. Further, we have obtained a sixth map using
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Simpson, Janelle, and Roger Cant. "Depth to Basement calculation in Southern Thomson, QLD." ASEG Extended Abstracts 2013, no. 1 (2013): 1–4. http://dx.doi.org/10.1071/aseg2013ab220.

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Martins, Cristiano M., Valeria C. Barbosa, and João B. Silva. "Simultaneous 3D depth-to-basement and density-contrast estimates using gravity data and depth control at few points." GEOPHYSICS 75, no. 3 (2010): I21—I28. http://dx.doi.org/10.1190/1.3380225.

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We have developed a gravity-inversion method for simultaneously estimating the 3D basement relief of a sedimentary basin and the parameters defining a presumed parabolic decay of the density contrast with depth in a sedimentary pack, assuming prior knowledge about the basement depth at a few points. The sedimentary pack is approximated by a grid of 3D vertical prisms juxtaposed in both horizontal directions of a right-handed coordinate system. The prisms’ thicknesses represent the depths to the basement and are the parameters to be estimated from the gravity data. To estimate the parameters de
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Hidalgo-Gato, Marlon C., Valéria C. F. Barbosa, and Vanderlei C. Oliveira. "Magnetic amplitude inversion for depth-to-basement and apparent magnetization-intensity estimates." GEOPHYSICS 86, no. 1 (2021): J1—J11. http://dx.doi.org/10.1190/geo2019-0726.1.

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We have developed an inversion method to recover the depth and the total magnetization intensity of the basement under a sedimentary basin using the amplitude of the magnetic anomaly vector (amplitude data). Because the amplitude data are weakly dependent on the magnetization direction, our method is suitable for interpreting areas with remanent magnetization. Our method assumes constant magnetized basement rocks overlain by nonmagnetic sediments. To overcome the inherent ambiguity of potential field data, we assume knowledge of the average depth of the basement and use it as a constraint to r
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Skilbrei, Jan R. "Reply by the author to N. C. Steenland." GEOPHYSICS 59, no. 5 (1994): 852. http://dx.doi.org/10.1190/1.1487011.

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Steenland writes that my statement in paragraph three of my Introduction is not correct. My statement is, “In most geological situations, and particular over sedimentary basins, the interpreter is unable to recognize bodies with limited depth extents.” It was implicit that I meant bodies within the basement with limited depth extents because the title of the short note is: “The straight‐slope method for basement depth determination revisited.” I believe that most interpreters agree with my statement. However, when it comes to recognizing intrasedimentary volcanics, I agree that it is often eas
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Al-Khalidi, Abdulrahman, Ali Al-Rahim, and Ahmed Mousa. "Estimating the Depth to the Basement of Anah and Its Surroundings Area, Western Iraq by Using the Source Parameter Imaging and Power Spectrum Techniques." Iraqi Geological Journal 56, no. 2A (2023): 225–36. http://dx.doi.org/10.46717/igj.56.2a.17ms-2023-7-26.

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The varying characteristics of the Precambrian basement rocks and the depth thickness variation of sedimentary cover are significant for geological structure. The Aeromagnetic data interpreted in order to delineate the depth of the basement of Anah and the surrounding areas by using Source Parameter Imaging Technique. Aeromagnetic data Total Magnetic Intensity were processed by using the Reduction to the pole, and Source Parameter Imaging tool which was applied to RTP data. The results of Source Parameter Imaging showed that the minimum depth of basement rocks in the study area was about 5500
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Zhdanov, Michael S., Michael Jorgensen, and Le Wan. "Three-Dimensional Gravity Inversion in the Presence of the Sediment-Basement Interface: A Case Study in Utah, USA." Minerals 12, no. 4 (2022): 448. http://dx.doi.org/10.3390/min12040448.

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We introduce a novel approach to three-dimensional gravity inversion in the presence of the sediment-basement interface with a strong density contrast. This approach makes it possible to incorporate the known information about the basement depth in the inversion. It also allows the user to determine the depth-to-basement in the initial inversion phase. One can then use this interface to constrain the final inversion phase. First, the inversion generates the depth-to-basement model based on the 3D Cauchy-type integral representation of the gravity field. Then, in the second phase, full 3D voxel
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Ramadhani, R. A., S. Bijaksana, S. J. Fajar, et al. "Magnetic Basement Modeling at Karimata Strait Using MagB_Inv." IOP Conference Series: Earth and Environmental Science 1437, no. 1 (2024): 012016. https://doi.org/10.1088/1755-1315/1437/1/012016.

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Abstract Indonesia is a country with abundant natural resources, such as tin, which is associated with granite rocks. Granite can be found under sedimentary rocks as basement rock. The depth of the magnetic basement will provide a value that indicates the location or presence of granite rock. This research is expected to be possible to identify the depth of the magnetic basement in the Karimata Strait area and obtain a relationship between the results of magnetic basement modeling using the MagB_Inv program and the regional geological structure in the Karimata Strait area. Based on magnetic an
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Dissertations / Theses on the topic "Depth-to-Basement"

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Woolf, Kurtus Steven. "Regional character of the lower Tuscaloosa formation depositional systems and trends in reservoir quality." 2012. http://hdl.handle.net/2152/22071.

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For decades the Upper Cretaceous Lower Tuscaloosa Formation of the U.S. Gulf Coast has been considered an onshore hydrocarbon play with no equivalent offshore deposits. A better understanding of the Lower Tuscaloosa sequence stratigraphic and paleogeographic framework, source-to-sink depositional environments, magnitude of fluvial systems, regional trends in reservoir quality, and structural influences on its deposition along with newly acquired data from offshore wells has changed this decades-long paradigm of the Lower Tuscaloosa as simply an onshore play. The mid-Cenomanian unconformity,
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Books on the topic "Depth-to-Basement"

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Wittman, David M. The Equivalence Principle. Oxford University Press, 2018. http://dx.doi.org/10.1093/oso/9780199658633.003.0013.

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The equivalence principle is an important thinking tool to bootstrap our thinking from the inertial coordinate systems of special relativity to the more complex coordinate systems that must be used in the presence of gravity (general relativity). The equivalence principle posits that at a given event gravity accelerates everything equally, so gravity is equivalent to an accelerating coordinate system.This conjecture is well supported by precise experiments, so we explore the consequences in depth: gravity curves the trajectory of light as it does other projectiles; the effects of gravity disap
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Book chapters on the topic "Depth-to-Basement"

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D. Oyeyemi, Kehinde, and Modreck Gomo. "Hydrogeophysical Mapping of Basement Aquifers in Part of Southwestern Nigeria: Implications for Groundwater Resource Management." In Environmental Sciences. IntechOpen, 2025. https://doi.org/10.5772/intechopen.115603.

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The research focuses on basement aquifers in crystalline bedrocks, which are vital for groundwater in tropical areas. Geophysical techniques, like geoelectrical resistivity, assess these aquifers’ variability. The study combines geoelectrical soundings with two-dimensional electrical resistivity tomography (2D ERT) to analyze the fractured and weathered zones in Abeokuta basement terrain. This approach delineates the aquifer’s nature, extent, and spatial variability, providing insights into near-surface conditions. Understanding and managing basement aquifers are crucial for ensuring a sustain
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Nayl, Khalid, Abdalla Elsheikh, Adil Elkrail, and Abobaker Elbahari. "Hydrogeophysical Investigations for Groundwater Potentiality in Arid and Semiarid Zones: A Case Study in the Upper River Atbara Watershed, Eastern Sudan." In Beneath the Surface - Navigating Groundwater Realms [Working Title]. IntechOpen, 2024. http://dx.doi.org/10.5772/intechopen.1007086.

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This chapter is focusing on the application of hydro-geophysical methods to investigate the groundwater occurrences in the area between Upper Atbara, Setit, and Khashm El Girba dams, Eastern Sudan. Vertical Electrical Sounding Techniques were applied using Schlumberger Array in which the study area was covered by (177) conducted points of Vertical Electrical Soundings (VES). The VES methods are used to obtain detailed information about the depth to the basement rocks, find out the resistivity of the different subsequent layers, identify aquifers thickness/boundaries, and select suitable sites
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Abrams, L. J., and M. Hu. "Data Report: Depth to volcanic basement at Site 999, Kogi Rise, Colombian Basin." In Proceedings of the Ocean Drilling Program, 165 Scientific Results. Ocean Drilling Program, 2000. http://dx.doi.org/10.2973/odp.proc.sr.165.028.2000.

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Barchi, Massimiliano Rinaldo, and Enrico Tavarnelli. "Thin vs. thick-skinned tectonics in the Umbria-Marche fold-and-thrust belt: Contrast or coexistence?" In From the Guajira Desert to the Apennines, and from Mediterranean Microplates to the Mexican Killer Asteroid: Honoring the Career of Walter Alvarez. Geological Society of America, 2022. http://dx.doi.org/10.1130/2022.2557(05).

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ABSTRACT The structural style at depth of the Umbria-Marche fold-and-thrust belt, which occupies the outer province of the Northern Apennines of peninsular Italy, has long been debated and interpreted in terms of thin-skinned or thick-skinned deformation models, respectively. Thin-skinned models predict that the Mesozoic–Tertiary sedimentary cover was detached along Upper Triassic evaporites and translated northeastward along stepped thrust faults above a relatively undeformed basement. On the other hand, thick-skinned models predict the direct involvement of conspicuous basement slices within
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Vearncombe, J. R., M. C. Dentith, and S. L. Dörling. "Conclusions." In Zinc-Lead Mineralization on the Southeast Lennard Shelf, Canning Basin, Western Australia. Society of Economic Geologists, 1995. http://dx.doi.org/10.5382/gb.23.08.

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Abstract The distribution of lithofacies in the Devonian Great Barrier Reef on the Lennard Shelf area is controlled by basement-hosted faults, with the reef and platform facies confined to palaeo-highs, clearly separated from basin facies in the abutting areas. These faults also focused syn-sedimentary deformation along the edge of the platform margin, with zones of sediment and cement-filled neptunian dikes forming above the basement faults and subsequently being reactivated during regional extensional deformation.From the interpretation of geophysical data and field work, the gross structura
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Miller M., Vaziri M., and Miller R. "Case study: The design & performance of a raft foundation on Mercia Mudstone." In Proceedings of the 15th European Conference on Soil Mechanics and Geotechnical Engineering. IOS Press, 2011. https://doi.org/10.3233/978-1-60750-801-4-755.

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The St David's 2 development is a new retail and residential complex in the heart of Cardiff, South Wales. The substructure includes a basement with a footprint area of approximately 100m x 290m. Following ground investigation it was ascertained that the basement would found on Mercia Mudstone of Grades II and IV. It was proposed that the structure would found on a raft foundation which would bring significant cost and programme savings compared to a piled foundation. A steel pile retaining wall solution was adopted using a ‘Super Crush System’ to penetrate the mudstone and
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Looby M.L. "Deep Excavations in Glacial Tills in Dublin." In Proceedings of the 17th International Conference on Soil Mechanics and Geotechnical Engineering. IOS Press, 2009. https://doi.org/10.3233/978-1-60750-031-5-2056.

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A number of Deep Excavations up to 23m in depth have recently been completed in Dublin. Different approaches including propped and unpropped, Secant and Contiguous Pile Wall Solutions have been employed on various projects. The paper updates a database for propped and cantilevered wall supported excavations in Glacial Tills. A comment and interpretation of recorded wall movement versus retained heights and wall stiffness is provided. Modelled predications are also discussed. Two case histories of deep basement excavations including Spencer Dock in the Docklands, 14m excavation at Westgate (Heu
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Tikoff, B., C. Siddoway, D. Sokoutis, and E. Willingshofer. "The lithospheric folding model applied to the Bighorn uplift during the Laramide orogeny." In Tectonic Evolution of the Sevier-Laramide Hinterland, Thrust Belt, and Foreland, and Postorogenic Slab Rollback (180–20 Ma). Geological Society of America, 2022. http://dx.doi.org/10.1130/2021.2555(08).

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ABSTRACT The Bighorn uplift, Wyoming, developed in the Rocky Mountain foreland during the 75–55 Ma Laramide orogeny. It is one of many crystalline-cored uplifts that resulted from low-amplitude, large-wavelength folding of Phanerozoic strata and the basement nonconformity (Great Unconformity) across Wyoming and eastward into the High Plains region, where arch-like structures exist in the subsurface. Results of broadband and passive-active seismic studies by the Bighorn EarthScope project illuminated the deeper crustal structure. The seismic data show that there is substantial Moho relief benea
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Akcakal Onder. "Observational Methods in Shoring Design – A Case Study." In Advances in Soil Mechanics and Geotechnical Engineering. IOS Press, 2013. https://doi.org/10.3233/978-1-61499-297-4-581.

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For the construction of the basement floors within a residential development project in Asian side of Istanbul, an excavation which has a depth varying between 16 m and 32 m is required. Varity of the rock quality and existence of the intrusions dictated different systems to be implemented in shoring. Prior to the shoring works center part of the plot was excavated by excavation contractors and initial displacements have been occurred. Beside this initial displacement, large scale displacements are also encountered on the southern part of the plot during the shoring works due to the neighborin
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Woodruff, Michael. "Invasion and metastasis." In Cellular Variation and Adaptation in Cancer. Oxford University PressOxford, 1990. http://dx.doi.org/10.1093/oso/9780198542544.003.0005.

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Abstract Many cells exhibit migratory activity, i.e. can crawl in vitro and in vivo, because they possess contractile fibrils and have the capacity to form surface adhesions of various kinds. This phenomenon has been studied in depth by Abercrombie and his colleagues (rev. Abercrombie 1980). Crawling, according to Abercrombie, subserves three functions: (1) in the case of wandering cells (leucocytes and macrophages), defence against micro-organisms; (2) maintenance of organization during growth, and restoration of organization after tissue damage; and (3) translation of embryonic determination
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Conference papers on the topic "Depth-to-Basement"

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Williams, Simon, J. Derek Fairhead, and Guy Flanagan. "Realistic models of basement topography for depth to magnetic basement testing." In SEG Technical Program Expanded Abstracts 2002. Society of Exploration Geophysicists, 2002. http://dx.doi.org/10.1190/1.1817384.

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Cai*, Hongzhu, and Michael S. Zhdanov. "Magnetotelluric inversion for depth-to-basement estimation." In SEG Technical Program Expanded Abstracts 2015. Society of Exploration Geophysicists, 2015. http://dx.doi.org/10.1190/segam2015-5880335.1.

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Re, S., S. Scandroglio, and F. Golfré Andreasi. "Revisiting gravity inversion for depth-to-basement estimation." In Second HGS and EAGE Conference on Latin America. European Association of Geoscientists & Engineers, 2020. http://dx.doi.org/10.3997/2214-4609.202086003.

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Martins, Cristiano M., Williams A. Lima, Valéria C. F. Barbosa, and João B. C. Silva. "Total‐variation regularization for depth‐to‐basement estimate." In SEG Technical Program Expanded Abstracts 2010. Society of Exploration Geophysicists, 2010. http://dx.doi.org/10.1190/1.3513055.

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E. Ghidella, Marta, and Gustavo A. Rodríguez. "Testing Two Methods For Depth To Magnetic Basement Estimation." In 7th International Congress of the Brazilian Geophysical Society. European Association of Geoscientists & Engineers, 2001. http://dx.doi.org/10.3997/2214-4609-pdb.217.324.

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D. Fairhead, J., A. Salem, and R. J. Blakely. "CONTINENTAL TO BASIN SCALE MAPPING OF BASEMENT DEPTH AND STRUCTURE USING THE TILT-DEPTH METHOD." In EGM 2010 International Workshop. European Association of Geoscientists & Engineers, 2010. http://dx.doi.org/10.3997/2214-4609-pdb.165.c_op_12.

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Vitale, Andrea, Gianluca Gabbriellini, and Maurizio Fedi. "A supervised learning method to estimate basement depth from potential fields." In First International Meeting for Applied Geoscience & Energy. Society of Exploration Geophysicists, 2021. http://dx.doi.org/10.1190/segam2021-3581973.1.

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Green, Christopher M., J. Derek Fairhead, and Bill Cathey. "Sub Andean basins: Depth to basement study based on potential field data." In SEG Technical Program Expanded Abstracts 1997. Society of Exploration Geophysicists, 1997. http://dx.doi.org/10.1190/1.1886106.

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Martins, Cristiano M., Valéria C. F. Barbosa, and João B. C. Silva. "3D depth‐to‐basement and density contrast estimates using gravity and borehole data." In SEG Technical Program Expanded Abstracts 2009. Society of Exploration Geophysicists, 2009. http://dx.doi.org/10.1190/1.3255895.

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M. A. Khan, A., S. D. Barritt, and P. W. Zeil. "A Comparison of methods for 'depth-to-basement' determination in the Bengal Basin Bangladesh." In 55th EAEG Meeting. European Association of Geoscientists & Engineers, 1993. http://dx.doi.org/10.3997/2214-4609.201411686.

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Reports on the topic "Depth-to-Basement"

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Srivastava, S. P., B. Maclean, and P. Girouard. Depth to basement and sediment thickness. Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 1986. http://dx.doi.org/10.4095/120605.

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Grant, A. C. Depth to Basement of the Continental Margin of Eastern Canada. Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 1988. http://dx.doi.org/10.4095/125185.

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MacLean, B. C. Structure and isopach 1: depth to pre-Mesozoic basement and oceanic layer 2. Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 1991. http://dx.doi.org/10.4095/210651.

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Oakey, G. N., C. Currie, and P. Durling. A Digital Compilation of Depth To Basement of the East Coast of Canada and Adjacent Areas. Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 1989. http://dx.doi.org/10.4095/130722.

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Blakely, R. J., and D. A. Ponce. Map showing depth to pre-Cenozoic basement in the Death Valley ground-water model area, Nevada and California. Office of Scientific and Technical Information (OSTI), 2002. http://dx.doi.org/10.2172/793302.

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Oakey, G. N., and A. Stark. A digital compilation of depth to basement and sediment thickness for the North Atlantic and adjacent coastal land areas. Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 1995. http://dx.doi.org/10.4095/203476.

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Atkinson, E. A. Regional mapping and qualitative petroleum resource assessment of the Magdalen Basin, Gulf of St. Lawrence, Quebec, Prince Edward Island, New Brunswick, Nova Scotia, and Newfoundland and Labrador. Natural Resources Canada/CMSS/Information Management, 2023. http://dx.doi.org/10.4095/331452.

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The Geological Survey of Canada conducted a broad regional study of the Magdalen Basin in the Gulf of St. Lawrence, as part of the Marine Conservation Targets initiative. MCT is a national initiative to protect more of Canada's offshore areas, and resource assessment and related regional mapping are part of the review process. This study assembled a large seismic and geologic database that allowed new regional mapping of several key horizons in this basin. Digital seismic data was donated by industry, and reprocessing undertaken both in-house and with contractors. Wells were correlated and top
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Wadman, Heidi, and Jesse McNinch. Elevation of underlying basement rock, Ogdensburg Harbor, NY. Engineer Research and Development Center (U.S.), 2021. http://dx.doi.org/10.21079/11681/40843.

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Over six linear miles of shallow acoustic reflection geophysical data were collected in an 800 ft by 300 ft survey region at Ogdensburg Harbor, Ogdensburg, NY. To better accommodate modern commercial vessels and expand the harbor’s capacity, the current navigable depth of -19 ft Low Water Depth (LWD) needs to be increased to -28 ft LWD, and an accurate map of the nature of the riverbed material (e.g., unconsolidated sediment, partially indurated glacial till, or bedrock) is required to effectively plan for removal. A total of 28 boreholes were previously collected to map the stratigraphy, and
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Map showing depth to basement in the deep-sea basins of the Pacific continental margin, Point Conception to Point Loma. US Geological Survey, 1992. http://dx.doi.org/10.3133/i2089b.

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Map showing depth to basement in the deep-sea basins of the Pacific continental margin, Cape Mendocino to Point Conception. US Geological Survey, 1993. http://dx.doi.org/10.3133/i2090b.

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