Pyramid Geophysical Services

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Geologic Mapping

Geologic Strata Mapping

Understanding the geology at specific project sites can be essential for a wide variety of applications, including construction design, water supply investigations, environmental concerns, and general site stability. Geophysical tools allow for a rapid characterization of site geology that, when correlated to borings … [Read more...]

Filed Under: Applications Tagged With: depth to rock, fracture, geologic mapping, geophysical mapping, sinkhole

Geophysical Mapping of a Sinkhole

3D Model of Collapse Zone

In January 2015, Pyramid Geophysical Services conducted a geophysical investigation at an open sinkhole (ground collapse) in a dry retention pond for a client at their remediation site in Tennessee. The survey was conducted to determine the lateral and vertical extent of the sinkhole feature in the subsurface, and to … [Read more...]

Filed Under: Case Studies Tagged With: karst geophysics, MER, north carolina geophysics, resistivity, sinkhole, tennessee geophysics

3D Modeling of Electrical Resistivity Data

Electrical resistivity (ER) testing is an effective geophysical method to identify subsurface geologic hazards, stratigraphic variability, karst features, and hydrogeologic conditions. A typical single ER test utilizes an array of electrodes placed in a straight line at a consistent spacing across a target area. This … [Read more...]

Filed Under: Case Studies Tagged With: 3D resistivity, electrical resistivity, ERT, karst, MER, sinkhole, three dimensional resistivity

Certifications and Affiliations

GSA Contract

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AFFILIATED COMPANIES

LPT Systems

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

Pyramid Environmental Services

Pyramid Environmental is our Parent Company

© Pyramid Geophysical Services Inc., a subsidiary of Pyramid Environmental & Engineering, P.C.
503 Industrial Avenue, Greensboro, NC 27406

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