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 Thickness of overburden
Depth to bedrock
Mapping subsurface lithologies
Stratigraphic studies (erosional surfaces, unconformities, etc)
Geological structures (faults, folds, joints, fissures, etc)
Buried river channels
Groundwater studies (water table detection, groundwater movements, etc)
Mapping mineral, sand and gravel deposits
Sink holes and/or solution cavities
Pipeline route studies
Soil corrosivity
Rock rippability
Mineworkings, concealed voids/subsidence
Buried mineshafts
Detecting old foundations within derelict sites
Concealed cellars
Service location
Sea defence studies
Environmental Geophysics
Landfill geometry
Leachate Plumes
Buried waste hazards
Buried storage tanks
Unexploded ordnance
Geophysics involves the measurement of physical properties, usually from the Earth's
surface, to obtain useful information on the structure and composition of the concealed subsurface through comprehensive interpretation of the measured geophysical data. Typical methods include:
Surface Penetrating Radar
Electromagnetic Inductive Ground Conductivity - Profiling/Mapping
Total Magnetic Field/Magnetic Gradient - Profiling/Mapping
Earth Resistivity Measurement - Imaging/Sounding
Self Potential
VLF - Profiling/Mapping
Seismic Refraction/Reflection - Profiling
Microgravity - Profiling/Mapping
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