geophysical magnetometer Articles

  • Integrated Geophysics: Magnetic / EMI surveys at an air force base

    PROJECT: EMI and Magnetic surveys at closed waste disposal sites LOCATION: Holloman Air Force Base near Alamogordo, New Mexico PROJECT DESCRIPTION: Designed and performed total-field magnetometer surveys in tandem with EM-31 terrain conductivity (EMI) surveys of approximately 53 acres of closed landfills at an Air Force base in New Mexico.  Survey ...


    By ECA Geophysics

  • Integrated Geophysics: Magnetic and EMI surveys at a solid waste landfill

    PROJECT: Magnetic and EMI surveys at a closed municipal solid waste landfill site LOCATION: Pasco, Washington PROJECT DESCRIPTION: Designed and performed a total-field magnetometer survey in tandem with an EM-31 terrain conductivity survey of a closed municipal solid waste landfill located east of Pasco, Washington.  Survey was designed to detect ...


    By ECA Geophysics

  • Buried debris case study

    Saufley Field, Escambia County, Florida GeoView was tasked with performing a geophysical investigation at a military base in the southeastern United States. The purpose of the investigation was to locate a reported debris burial pit. The burial pit was reported to be 60 feet (ft) in length and up to 10 ft deep. Historical records indicated that the pit  contained buried drums and ...


    By GeoView, Inc.

  • Electromagnetic (EMI) surveys

    EMI (EM-34) surveyDesigned and performed an EM-34 soil conductivity (soil mapping) survey of a 26-acre wood-waste landfill in Omak, Washington.  This soil mapping survey was designed to detect buried drums at a depth of 60 feet and was augmented by a total-field magnetometer survey. While employed with the Arkansas Department of Environmental Quality (ADEQ), performed approximately 40 ...


    By ECA Geophysics

  • Pre-Colombian artifacts case study

    Cordillera de Mérida mountain range, Northeastern Colombia A pipeline is planned to transport oil from the Cordillera de Mérida mountain range of northeastern Colombia west towards the Pacific Ocean. An archeological investigation is being conducted by others along the proposed pipeline route to determine potential areas of historical significance. As part of ...


    By GeoView, Inc.

  • Potential-Field Methods

    Magnetic Surveys Designed and performed a total-field magnetometer survey of a 26-acre wood-waste landfill in Omak, Washington. This magnetic survey was designed to detect buried metallic debris to a depth of 12 feet and was augmented by an EM-34 soil conductivity (soil mapping) survey. Total Field Magnetic Survey - Omak, WashingtonDesigned and performed (utilizing a ...


    By ECA Geophysics

  • Locate abandoned production abandoned well case study

    Clearwater, Florida Historical records discovered during construction of a commerical building indicated that a deep well with steel casing was likely present within a portion of the project site. Regulatory officials halted construction and insisted that the presence (or absence) of the well be confirmed. If the well was present, it was required that the well be exposed so that it could ...


    By GeoView, Inc.

  • Determining the design of Buried foundations case study

    Foundation Mapping Determining the three-dimensional design of foundations for telecommunications towers, buildings and road signs can be impractical and sometimes nearly impossible using conventional means. Properly applied geophysical test methods, hand probing and shallow test pits provide a very cost-effective and non-destructive approach to determining the design of foundations. ...


    By GeoView, Inc.

  • Unique applications of MMR to track preferential groundwater flow paths in dams, mines, environmental sites, and leach fields

    Groundwater systems have been notoriously di!cult to map with high degrees of accuracy. As a result, not only have traditional geophysical methods proven inaccurate for groundwater characterization work, but they are often costly in terms of time, money, and environmental trauma. "is paper describes a unique application of magnetometric resistivity or MMR (Edwards and Nabighian, 1991) for ...

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