Definition
Remanent magnetization. Permanent magnetization held in rocks and other earth materials, commonly, though not always, dating from cooling to below the Curie temperature (Tc) or Néel temperature (Tn) of the magnetic minerals in the rock, or the time of formation of the rock unit.
Introduction
The fact that earth materials, particularly rocks, possess a permanent magnetization has been known for some time. Early observations of rocks producing large anomalies were commonly ascribed to lightning strikes. By the mid-nineteenth century remanence was accepted as a property of some rocks, and by the early twentieth century crude measurements of the direction of magnetization were possible. During the second half of the twentieth century, the measurement of remanent magnetization (RM) became a well-established research field (see entries under Paleomagnetism, Principles ). RM is a vector quantity, having both direction, usually related to the direction of the Earth’s field at the...
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Brown, L., McEnroe, S. (2011). Remanent Magnetism. In: Gupta, H.K. (eds) Encyclopedia of Solid Earth Geophysics. Encyclopedia of Earth Sciences Series. Springer, Dordrecht. https://doi.org/10.1007/978-90-481-8702-7_126
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DOI: https://doi.org/10.1007/978-90-481-8702-7_126
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