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A contoured magnetic anomaly map constructed from aeromagnetic profiles reflects the established tectonic patterns of the Fennoscandian region and permits speculations about such features as continental discontinuities colinear with oceanic fracture zones. An interpretation of the most outstanding magnetic anomaly of the region, in west-central Sweden, shows that its source is associated with a Precambrian anorogenic complex and has an unusually high magnetization. Magnetic similarities between the Baltic and Canadian shields are briefly discussed.
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R. P. Riddihough (1972) studied this question.
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