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Palaeomagnetic study of a subaerial volcanic ridge (S˜ao Jorge Island, Azores) ...

We present a palaeomagnetic study on 38 lava flows and 20 dykes encompassing the past 1.3 Myr on S. Jorge Island (Azores Archipelago—North Atlantic Ocean). The sections sampled in the southeastern and central/western parts of the island record reversed and normal polarities, respectively. They indicate a mean palaeomagnetic pole (81.3◦N, 160.7◦E, K = 33 and A95 = 3.4◦) with a latitude shallower than that expect...