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You are here: Home / Archives for EM31

October 2020 Newsletter:
Supplemental Tools for Geophysics – How We Present the Results

In past newsletters we have provided a variety of geophysical case study examples that Pyramid has completed over the years. These projects have showcased methods such as electrical resistivity, seismic testing, electromagnetics and ground penetrating radar that were used to investigate the … [Read more...]

Filed Under: Newsletter Archive Tagged With: 3D geophysics, Electrical Resistivity, electromagnetics, EM31, EM61, Geophysics, GPR, ground penetrating radar, seismic

September 2017 Newsletter:
Geophysical Conductivity Mapping – The Importance of Multiple Geophysical Methods and Sampling

EM31 Conductivity Contour Map

  The use of electromagnetic (EM) geophysical methods to evaluate ground conductivity variations is an effective tool to resolve environmental issues. However, the EM profiling instruments commonly used for such applications provide depth-averaged conductivity values at point locations. … [Read more...]

Filed Under: Newsletter Archive Tagged With: Coal Ash, conductivity mapping, EM31

August 2016 Newsletter:
Former Landfills & Buried Waste – How Do We Find It?

EM31, conductivity, buried waste

North Carolina contains hundreds of properties that served as landfill sites in the past; these former landfills have long since been inactive, and many of the sites are overgrown with no specific knowledge of the extent of the buried waste. In North Carolina, the Department of Environmental Quality … [Read more...]

Filed Under: Newsletter Archive Tagged With: conductivity, EM31, landfill, mapping buried waste

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Recent Articles

  • October 2020 Newsletter:
    Supplemental Tools for Geophysics – How We Present the Results
  • July 2020 Newsletter:
    Density Anomalies and Geophysics – Concepts and Methods
  • January 2020 Newsletter:
    More interesting information about bedrock fractures and how to analyze them
  • October 2019 Newsletter:
    Seismic Geophysical Surveys to Examine Bedrock Depth and Integrity
  • June 2019 Newsletter:
    How the Roads that lead to Rome were made

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LPT Systems

Provider of lubrication, pump and tank systems and equipment, sales and service

Pyramid Geophysical Services

A subsidiary of Pyramid Environmental, Pyramid Geophysical specializes in subterranean/subsurface metrics and monitoring through a variety of technologies

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