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Unformatted text preview: • Permanent magnetization of rock installed during its formation ( J R ). • Ferromagnetic materials exhibit this creating spontaneous magnetization. • Direction of remnant may differ radically from induced field....
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This note was uploaded on 01/07/2012 for the course PHYSICS 384 taught by Professor Wei during the Spring '09 term at SUNY Stony Brook.
- Spring '09