Showing results for: geophysics data Articles
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Geophysical modelling of the Catalan magnetic anomaly: study of the crustal structure of the Gulf of Lion margin - Case Study
As part of a research project (the OROGEN project, carried out jointly with TOTAL and INSU-CNRS), BRGM has drawn on datasets from the French Gravimetric Database and the French Airborne Geophysical Database to study and model the geological structure that causes the Catalan magnetic anomaly. The need One of the main aims of the OROGEN research project is to improve knowledge of the processes ...
By BRGM
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Unexploded ordinance case study
Jacksonville, Florida A geophysical investigation was conducted at a World War II era bombing range in the eastern United States. The site was approximately 2,000 feet by 300 feet in plan dimension. Historical information indicated that MK23 practice bombs, 2.75” rockets, and 100 pound practice bombs were used at the site. The purpose of the geophysical investigation was to determine the ...
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Geo Drilling International: Hands-On
Boart Longyear has launched a core-orientation system made for drillers, by drillers Although critical for mapping exploration and minesite development, core orientation is part of the drilling process that has experienced only incremental product improvements through small changes to the process and equipment. Boart Longyear has now introduced TruCore, a first-inindustry integrated ...
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Methods used to carry out six roadway investigations of sinkholes
Abstract Karst conditions are a prevalent problem impacting many roads, bridges and highways of the United States. Six case-histories present an overview of investigations made to determine the presence of karst (sinkholes and cavities) and their possible impact on existing or new construction. These six case-histories represent projects which range from reconnaissance investigations to identify ...
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Seismic study at the Pacific and Atlantic locks of the panama canal case study
Panama Canal Zone Grupo Unidos Por el Canal (GUPC) was tasked with characterizing subsurface conditions within the Third Set of Locks Project for the Panama Canal. In support of their characterization efforts, GUPC requested that seismic geophysical data be acquired at four locations within the project area. These locations include portions of the: Miraflores Cofferdam Atlantic Approach ...
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Development of 3D Geospatial Models to Support Environmental Restoration Activities at Technical Area 21, Los Alamos National Laboratory, New Mexico
Technical Area 21 (TA-21) is a former processing area located on a 0.5 square mile mesa top at Los Alamos National Laboratory (LANL), New Mexico. A series of threedimensional (3D) geospatial models were developed to support ongoing and future environmental restoration activities. Mining of lithologic, geophysical, infrastructure, and analytical data sets was completed to construct 3D site ...
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Vista Clara Geophysical Service Capabilities
As the world’s leading developer of advanced Magnetic Resonance (MR) Geophysical tools, Vista Clara also provides comprehensive data collection and analytical services onsite. With the unique expertise to analyze and interpret MR data, Vista Clara offers this advanced MR capability alongside other proven techniques for a complete geophysical solution. We are happy to offer this service ...
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Cave and void detection case study
This is a collection of various cases where the 2D resistivity imaging method pioneered by Advanced Geosciences Inc have been successfully applied. Click on a section below and you will be shown a full 2D resistivity imaging brochure detailing the case in question. Acknowledgement: These cases have been submitted by satisfied customers whom we thank for permission to publish their data on the ...
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Ground Water Sampling - A Workshop Summary
Monitoring purposes have evolved in the past decade reflecting an increasing emphasis on assessment and remedial action performance over detection monitoring. The recognition of many potential contamination sources as well as the regulatory inclusion of a large number of sites in need of investigation have spurred this evolution in practice. New more efficient methods and tools for ...
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Mapping Sand Unit Thickness for Construction Aggregate in North Carolina - Case Study
In August 2015, Pyramid Environmental was contracted to estimate the cubic yards of sandy soil valuable as a construction aggregate on the 230 acres of undeveloped land in North Carolina. Purpose The purpose of the electrical resistivity survey was to quantify the lateral extents and approximate depth of sandy soils near the ground surface. The client wanted to understand the potential of the ...
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