L06-page6 - greater magnetic properties. • Soils and...

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6 Total magnetization • Total magnetization: J=J i +J r • Effective or apparent k : k e or k a =(J i +J r )/(F/ µ 0 ) • Note: a J that is not fully aligned with the natural H field at a site will cause a perturbation in H , and thus H local will have a slightly different direction and strength then the natural field. Magnetic properties of materials of interest • Basement: tends to be igneous or metamorphic, thus
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Unformatted text preview: greater magnetic properties. • Soils and other weathered products: because magnetic minerals tend to weather rather rapidly compared to quartz, will get reduction of magnetic materials with weathering. • Man-made objects: iron and steel • Ore deposits: many economic ores are either magnetic, or associated with magnetic minerals....
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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.

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