chemical remanent magnetization


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chemical remanent magnetization

[′kem·i·kəl ′rem·ə·nənt ‚mag·nət·ə′zā·shən]
(geophysics)
Permanent magnetization of rocks acquired when a magnetic material, such as hematite, is grown at low temperature through the oxidation of some other iron mineral, such as magnetite or goethite; the growing mineral becomes magnetized in the direction of any field which is present. Abbreviated CRM.
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