Palaeomagnetic study of a subaerial volcanic ridge (S˜ao Jorge Island, Azores) for the past 1.3 Myr: evidence for the CobbMountain Subchron, volcano flank instability and tectonomagmatic implications

• Published in: Geophysical Journal International
• Main Authors: Silva, Pedro, Henry, Bernard, Marques, Fernando, Hildenbrand, Anthony, Madureira, Pedro, Mériaux, Catherine, Kratinová, Zusana
• Other Authors: Trampert, Jeannot
• Format: Article in Journal/Newspaper
• Language: English
• Published: Wiley - Blackwell 2012
• Subjects: Palaeomagnetic secular variation; Palaeomagnetism applied to tectonics; Reversals: process; time scale; magnetostratigraphy; Atlantic Ocean; Tilting; Jorge Island; North Atlantic
• Online Access: http://hdl.handle.net/10174/3755; https://doi.org/10.1111/j.1365-246X.2011.05320.x

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 indic...