<Dd> M = M i + M r . (\ displaystyle \ mathbf (M) = \ mathbf (M) _ (\ text (i)) + \ mathbf (M) _ (\ text (r)).) </Dd> <P> The induced magnetization of many minerals is the product of the ambient magnetic field and their magnetic susceptibility χ: </P> <Dl> <Dd> M i = χ H . (\ displaystyle \ mathbf (M) _ (\ text (i)) = \ chi \ mathbf (H).) </Dd> </Dl> <Dd> M i = χ H . (\ displaystyle \ mathbf (M) _ (\ text (i)) = \ chi \ mathbf (H).) </Dd>

The magnetic anomaly stripes on the sea floor