Degree of magnetic anisotropy as a strain intensity gauge in ferromagnetic granites
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Anisotropy of magnetic susceptibility data for a ferromagnetic granite (Godhra Granite, NW India) are presented and it is shown that the degree of magnetic anisotropy (P′) is not controlled by the mean susceptibility (Km). Analyses carried out across a high-strain zone lying between granite and adjacent gneiss show that P′ values are highest in samples that lie close to the contact and decrease away from it. Based on these results it is concluded that if P′ is not controlled by Km, then the former can be used to gauge strain-intensity variations in ferromagnetic granites.