USGS: Science Topics: remanent magnetism

Science Topics

Remanent magnetism

Magnetic characteristic of rocks and deposits reflective of the earth's magnetic field at the time of the deposit's formation.

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Introduction to potential fields: Magnetics [New Window]: Explanation of the Earth's magnetic field and how USGS measures it. Defines magnetic anomaly, induced and remanent magnetism in rocks, and describes magnetic anomaly maps.

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U.S. Department of the Interior | U.S. Geological Survey
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