GP12A
Reconstructing the Secular Variation of the Earth's Magnetic Field in the Past: Recent Methodological Advances and New Palaeomagnetic and Archaeomagnetic Data II

Monday, 14 December 2015: 10:20-12:20
300 (Moscone South)
Primary Conveners:  Evdokia Tema, Università degli Studi di Torino, Dipartimento di Scienze della Terra, Torino, Italy
Conveners:  Evgeniy Kulakov, Novosibirsk State University, Novosibirsk, Russia, Robert G Hatfield, Oregon State University, Corvallis, OR, United States and Emilio Herrero-Bervera, University of Hawaii at Manoa, Honolulu, HI, United States
Chairs:  Emilio Herrero-Bervera, University of Hawaii at Manoa, Honolulu, HI, United States, Geoffrey Cromwell, Occidental College, Los Angeles, CA, United States and Lisa Tauxe, Scripps Institution of Oceanography, La Jolla, CA, United States
OSPA Liaisons:  Brendan T Reilly, Oregon State University, College of Earth, Ocean, and Atmospheric Sciences, Corvallis, OR, United States
10:20
Version 3 of the GEOMAGIA50 Paleomagnetic Database (Invited) (59558)
Maxwell Christopher Brown1, Fabio Donadini2, Andreas Nilsson3, Monika C Korte4, Sanja Panovska5, Ute Frank4, Kimmo Korhonen6, Alexandra Lodge7, Stacey N Lengyel8, Maximilian Schuberth9 and Catherine Constable10, (1)Helmholtz Centre Potsdam GFZ German Research Centre for Geosciences, Potsdam, Germany, (2)University of Fribourg, Department of Earth Sciences, Fribourg, Switzerland, (3)Lund University, Lund, Sweden, (4)GFZ Potsdam, Potsdam, Germany, (5)IGPP/SIO/UCSD, San Diego, CA, United States, (6)Geological Survey of Finland, Espoo, Finland, (7)AWE Blacknest, Reading, United Kingdom, (8)Illinois State Museum, Springfield, IL, United States, (9)Delft University of Technology, Faculty of Civil Engineering and Geosciences, Delft, Netherlands, (10)University of California San Diego, La Jolla, CA, United States
10:50
Geomagnetic Secular Variation Recorded in Volcanic Rocks: The End of the Geocentric Axial Dipole (Invited) (61184)
Duane E Champion, California Volcano Observatory, USGS, Menlo Park, CA, United States
11:05
The South Atlantic Geomagnetic Anomaly: a recent anomalous feature of the secular variation during the Holocene. Paleomagnetic evidence from Holocene Chilean volcanic rocks. (61330)
Annick Chauvin, University of Rennes, Rennes Cedex, France and Pierrick Roperch, CNRS, Paris Cedex 16, France
11:20
Paleosecular variation for understanding young volcanoes of the Holocen (Invited) (67022)
Anita Di Chiara, Plymouth University, School of Earth, Ocean and Environmental Sciences, Plymouth, United Kingdom
11:35
Potentials and Limitations of calcite Speleothems to chart the Secular Variation of the Earth’s magnetic field during the Holocene. (Invited) (59597)
Pierre C Camps1, Thierry Poidras1, Philippe Audra2, Claire Carvallo3, Delphine Bosch4 and Antoine Goupil4, (1)CNRS &University Montpellier, Montpellier, France, (2)Géoazur - Université Nice Sophia Antipolis, Nice, France, (3)IMPMC Institut de Minéralogie de Physique des Matériaux et de cosmochimie, Paris Cedex 05, France, (4)Géosciences Montpellier, Montpellier Cedex 05, France
11:50
Dating the Laschamp Excursion: Why Speleothems are Valuable Tools for Constraining the Timing and Duration of Short-Lived Geomagnetic Events (65019)
Ioan Lascu1, Joshua M Feinberg2, Jeffrey A Dorale3, Hai Cheng2,4 and R. Lawrence Edwards2, (1)University of Cambridge, Cambridge, United Kingdom, (2)University of Minnesota, Minneapolis, MN, United States, (3)University of Iowa, Iowa City, IA, United States, (4)Xi'an Jiaotong University, Institute of Global Environmental Change, Xian, China
12:05
Geomagnetic Secular Variation in Texas over the Last 17,000 Years: High-Intensity Geomagnetic Field ‘Spike’ Observed at ca. 3000 cal BP (63814)
Mark D Bourne, University of Minnesota Twin Cities, Minneapolis, MN, United States