Browsing Research articles (Dept of Physics) by Subject "Botswana rocks"
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Determination of magnetite grain-size using the Hopkinson effect - examples from Botswana rocks
(Botswana Geoscientists Association, 2001)The Hopkinson effect is the increase of magnetic susceptibility with temperature from near room temperature to near the Curie point. Although this effect has been known for more than a century, it has not been effectively ...