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magnetic anomaly

noun, Geology
1.
a departure from the normal magnetic field of the earth.
Origin
1895-1900
1895-1900
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples from the web for magnetic anomaly
  • Defines magnetic anomaly, induced and remanent magnetism in rocks, and describes magnetic anomaly maps.
  • Geophysical signature: elongate positive magnetic anomaly.
  • Magnetic susceptibility is the physical property that determines how much induced magnetic anomaly a body of rock will produce.

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