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Borehole logging takes well established geophysical techniques and applies them within the subsurface in order to better characterise lithological variations.
Electric current is passed into the ground to reveal subsurface resistivity variations caused by geological, hydro-geological and manmade variations.
Whether Frequency or Time Domain, an electromagnet field is used to incite Eddie currents into the ground to measure subsurface resistivity variations.
Humanities fascination with why objects fall to Earth has lead us to the discovery of natural resources, geohazards and insights into how our world works.
A Electromagnetic wave (in the radio wave band width) is transmitted into the ground and the reflected wave energy and time is recorded.
Buried ferrous materials cause localised variations in the Earth’s magnetic field and indicate the presence of ore bodies and buried man-made objects.
To improve efficiency and productivity certain geophysical techniques can be recorded simultaneously whilst mounted on a common platform.
The presence of naturally occurring radioactive isotopes- U, K, Th & Cs- provide a means of classifying soil/rock mineralogy and geological processes.
When seismic elastic waves propagate through the ground it is possible to derive a number of useful structural properties.