GP21A
The Geomagnetic Field on Long Timescales: Characterization and Linkages with Evolution of the Core and Mantle I

Tuesday, 15 December 2015: 08:00-10:00
300 (Moscone South)
Primary Conveners:  John Anthony Tarduno, University of Rochester, Department of Physics & Astronomy, Rochester, NY, United States
Conveners:  Aleksey V Smirnov, Michigan Technological University, Geological and Mining Engineering and Sciences, Houghton, MI, United States and Michael Edwin Evans, Univ of Alberta, Edmonton, AB, Canada
Chairs:  John Anthony Tarduno, University of Rochester, Department of Physics & Astronomy, Rochester, NY, United States and Aleksey V Smirnov, Michigan Technological University, Geological and Mining Engineering and Sciences, Houghton, MI, United States
OSPA Liaisons:  Aleksey V Smirnov, Michigan Technological University, Geological and Mining Engineering and Sciences, Houghton, MI, United States
08:00
GP21A-01
Electrical conductivity in the mantle and core and implications for the geodynamo (Invited) (67186)
Ronald E Cohen, Ludwig Maximilians University of Munich, Department for Earth and Enviromental Sciences, Munich, Germany; Carnegie Institution, Geophysical Laboratory, Washington, DC, United States
08:20
GP21A-02
Geomagnetic Intensity Record from the 1.43 Ga Laramie Anorthosite Complex (85002)
Jeffrey S Gee, University of California San Diego, La Jolla, CA, United States, Peter A Selkin, U Washington, Tacoma, Tacoma, WA, United States and William P Meurer, Exxon Mobil Upstream Research, Houston, TX, United States
08:35
GP21A-03
Constraining the reversing and non-reversing modes of the geodynamo. New insights from magnetostratigraphy. (Invited) (61708)
Yves Gallet, Institut de Physique du Globe de Paris, Sorbonne Paris Cité, Université Paris Diderot, UMR 7154 CNRS/INSU, Paris, France, Vladimir Pavlov, Institute of Physics of the Earth RAS, Moscow, Russia, Andrei Shatsillo, Schmidt Institute of Physics of the Earth RAS, Moscow, Russia and Gauthier Hulot, Institut de Physique du Globe de Paris, Paris, France
08:55
GP21A-04
Geomagnetic field behaviour preceding a Superchron: new evidence for a weak Devonian geomagnetic field (66969)
Louise Hawkins1, Taslima Anwar2, Valentina Scherbakova3, Andrew John Biggin1, Vadim A Kravchinsky2, Andrei Shatsillo4, James Holt1 and Vladimir Pavlov5, (1)University of Liverpool, Liverpool, United Kingdom, (2)University of Alberta, Edmonton, AB, Canada, (3)Borok Geophysical Observatory, IPE RAS, Borok, Russia, (4)Schmidt Institute of Physics of the Earth RAS, Moscow, Russia, (5)Institute of Physics of the Earth RAS, Moscow, Russia
09:10
GP21A-05
Geomagnetic superchrons and time variations in the cooling rate of the core (Invited) (58547)
Peter Olson, Johns Hopkins University, Baltimore, MD, United States
09:30
GP21A-06
Low-dimensional analysis of geomagnetic reversals (65872)
Alexandre Fournier1, Matthias Morzfeld2 and Gauthier Hulot1, (1)Institut de Physique du Globe de Paris, Paris, France, (2)University of California Berkeley, Berkeley, CA, United States
09:45
GP21A-07
Further Evaluation of Geomagnetic Dipole Asymmetry in Growth and Decay (75902)
Margaret S Avery, University of California San Diego, La Jolla, CA, United States
 
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