= Rock magnetism
{wiki=Rock_magnetism}
Rock magnetism is a branch of geophysics and paleomagnetism that studies the magnetic properties of rocks, sediments, and soils. It focuses on how these materials acquire and retain magnetic signals, which can provide valuable information about the Earth's past magnetic field and geological history. Key aspects of rock magnetism include: 1. **Remanent Magnetization**: Many rocks acquire a permanent magnetization that reflects the Earth's magnetic field at the time the rocks were formed.
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