Characterisation and Implications of an Exceptionally Weak Time-averaged Geomagnetic field in the Devonian (360-420 Ma)
Andrew John Biggin1, Louise Hawkins2, Valentina Scherbakova3, Taslima Anwar4, Vadim A Kravchinsky5, Andrei Shatsillo6, Roman V Veselovskiy7 and Vladimir Pavlov7, (1)University of Liverpool, Department of Earth, Ocean and Ecological Sciences, Liverpool, United Kingdom, (2)University of Liverpool, Liverpool, United Kingdom, (3)Russian Academy of Sciences, Geophysical Observatory Borok, Borok, Russia, (4)University of Alberta, Edmonton, AB, Canada, (5)University of Alberta, Physics, Edmonton, AB, Canada, (6)Schmidt Institute of Physics of the Earth RAS, Moscow, Russia, (7)Institute of Physics of the Earth RAS, Moscow, Russia