PGC GEOPHYSICS

PGC Geophysics specialises in mapping and investigating the upper 100m sub-surface with electric and electromagnetic (EM) geophysical surveys. Resistivity and EM surveys are non-invasive and are excellent tools to detect variations in soil and rock resistivities. In geotechnical applications, anomalous resistivities mainly originate from pore media, eg. electrolytes and/or clay, as solid material, rocks and gravel, are too resistive in comparison - measures soil moisture and clay/weathering. Electric surveys, Electric Resistivity Imaging (ERI) and Electric Resistivity Tomography (ERT) are excellent tools for detecting and mapping: • Seepage and contamination plumes • Faults, shears and alteration • Disseminated sulphides • Water exploration and sighting water bores • Soil and groundwater salinity • Clay/fresh water boundaries • Seawater ingress. PGC Geophysics is available for managing, QC and interpreting surveys in remote locations or re-processing existing surveys... PGC Geophysics..