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    Electrical & Electromagnetic Geophysical Survey Methods

     
    Zonge International pioneered the development of modern electric and electromagnetic geophysical methods and instruments for natural-resource exploration and shallow-surface environmental surveys.

    Our staff would love to assist you in your quest to determine the best survey techniques for acquiring the data you need.

    Contact us for a free consultation.

    Learn about…

    DC Resistivity & Electrical Resistivity Tomography (ERT) >
    Induced Polarization (IP)… >
    Natural-source Magnetotellurics (MT, AMT) >
    Controlled-source Electromagnetic or Audio-frequency
    Magnetotellurics (CSEM / CSAMT) >
    Transient or Time-domain Electromagnetic (TEM / TDEM) >
    NanoTEM® Early-time TEM >
    Frequency-domain EM (FDEM) / EM Induction >
    Self Potential (SP) >
    Ground Penetrating Radar (GPR) >
    Very-low-frequency (VLF) Methods >