A look into how we undertake precise magnetic surveys in multiple sectors

Magnetic surveying is a passive method based on the measurement of localised anomalies in the Earth’s magnetic field caused by the presence of buried ferrous targets (e.g., pipes, cables, drums, military ordnance, etc.). RSK Geosciences has undertaken precision magnetic surveys to identify the presence of archaeological features, unexploded ordnance (UXO) and buried services.

Magnetic surveys can be conducted with a wide range of magnetometers, which can measure the amplitude of the field to within 0.01 nT. Gradiometry surveys, which determine the vertical gradient of the magnetic field, are increasingly common in environmental and engineering site investigations, as they are particularly sensitive to the near surface.

Other geophysical survey techniques

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RSK Geosciences is part of the RSK group of companies

The RSK group is a leading integrated environmental, engineering and technical services business offering bespoke end-to-end solutions to a variety of sectors. Headquartered in the UK but with an established presence throughout Europe, Africa, the Middle East, Asia and Australia, RSK helps organisations around the world achieve their business aspirations in a sustainable and efficient manner.