High northern geomagnetic field behavior and new constraints on the Gilsá event: Paleomagnetic and 40Ar/39Ar results of ∼0.5–3.1 Ma basalts from Jökuldalur, Iceland

• Published in: Earth and Planetary Science Letters
• Main Authors: MacNiocaill, C, Dossing, A, Muxworthy, A, Supakulopas, R, Riishuus, M
• Format: Article in Journal/Newspaper
• Language: unknown
• Published: Elsevier 2016
• Subjects: Jökuldalur; North Pole; Iceland
• Online Access: https://doi.org/10.1016/j.epsl.2016.09.022; https://ora.ox.ac.uk/objects/uuid:5008aa2e-fb66-4edb-9b3d-7cf1f5c537e7

Recent paleomagnetic results of extrusive rocks from high southern latitudes (> 60°S) and high northern latitudes (> 60°N) have been suggested to reflect a hemispheric asymmetry of the geomagnetic field on time-scales of 105 to 106 years, with higher and more stable fields in the north. This i...