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The field of local magnetic anomalies caused by magnetic intrusions in the shallow ground overlies the natural magnetic field of the earth. Using high sensitive gradiometers smallest changes of this anomaly field can be recorded.. |
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Sample intervals in the range of few centimetres result in high resolved magnetograms. Using mobile arrays of probes and DGPS extensive areas can be explored. The results – raw and interpreted data are already available on site in the field. |
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 Geomagnetic prospection in shallow water |
