GP51C:
Geomagnetic Paleointensity and Paleosecular Variation I

Friday, 19 December 2014: 8:00 AM-10:00 AM
Chairs:  Catherine Constable, University of California San Diego, La Jolla, CA, United States and John Anthony Tarduno, University of Rochester, Department of Physics & Astronomy, Rochester, NY, United States
Primary Conveners:  Catherine Constable, UCSD, La Jolla, CA, United States
Co-conveners:  John Anthony Tarduno, Univ Rochester, Rochester, NY, United States
OSPA Liaisons:  Catherine Constable, University of California San Diego, La Jolla, CA, United States

Abstracts Submitted to this Session:

8:00 AM
 
The Long-Term Evolution of the Dynamo and Implications for Paleointensity Variations
Francis Nimmo, University of California-Santa Cruz, Department of Earth and Planetary Sciences, Santa Cruz, CA, United States
8:15 AM
 
Single Silicate Crystal Paleointensity Analyses of the ca. 2.575 Ga Great Dyke of Zimbabwe
Timothy O'Brien, University of Rochester, Rochester, NY, United States, John Anthony Tarduno, Univ Rochester, Rochester, NY, United States and Axel Hofmann, University of Johannesburg, Auckland Park, South Africa
8:30 AM
 
Absolute Paleointensity Study of Miocene Tiva Canyon Tuff, Yucca Mountain, Nevada
Abuduwufu Patiman, University of Wisconsin Milwaukee, Milwaukee, WI, United States and Julie Bowles, University of Wisconsin Milwaukee, Geosciences, Milwaukee, WI, United States
8:45 AM
 
Holocene Paleomagnetic Secular Variation and Paleointensity: Influence of High Latitude Flux Lobes on the Tangent Cylinder
Joseph Stephen Stoner1, Leah B Ziegler1, Brendan T Reilly1, Pierre Francus2, Mark B Abbott3, Tim Cook4 and Raymond S Bradley4, (1)Oregon State University, College of Earth, Ocean, and Atmospheric Sciences, Corvallis, OR, United States, (2)Inst Nat Recherche Sci, Qu├ębec, QC, Canada, (3)University of Pittsburgh Pittsburgh Campus, Pittsburgh, PA, United States, (4)Univ Massachusetts, Amherst, MA, United States
9:00 AM
 
Holocene Full-Vector Secular Variation from African Lakes
Steven Lund1, Ellen S Platzman1, Thomas C Johnson2, Christopher A Scholz3, Andrew S Cohen4 and James M Russell5, (1)University of Southern California, Los Angeles, CA, United States, (2)University of Minnesota Duluth, Duluth, MN, United States, (3)Syracuse University, Syracuse, NY, United States, (4)University of Arizona, Department of Geosciences, Tucson, AZ, United States, (5)Brown University, Providence, RI, United States
9:15 AM
 
New Archaeointensity Data from the SW Pacific: towards better constrained global geomagnetic field models
Mimi J Hill1, Andreas Nilsson1, Richard T Holme2, Megan L Thomas1, Elliot Hurst1, Gillian M Turner3 and Peter Sheppard4, (1)University of Liverpool, Liverpool, United Kingdom, (2)University of Liverpool, Liverpool, L69, United Kingdom, (3)Victoria University of Wellington, Wellington, New Zealand, (4)University of Auckland, Auckland, New Zealand
9:30 AM
 
Unlocking the Secrets of the Geodynamo: the Southwest Pacific Key
Gillian M Turner1, Annika Greve1, Rimpy Kinger1, Gino de Gelder1, Sean Fitzsimons2, Jamie D Howarth3, Mimi J Hill4, Andreas Nilsson5 and Peter Sheppard6, (1)Victoria University of Wellington, Wellington, New Zealand, (2)University of Otago, Dunedin, New Zealand, (3)GNS Science, Lower Hutt, New Zealand, (4)University of Liverpool, Liverpool, L69, United Kingdom, (5)University of Liverpool, Liverpool, United Kingdom, (6)University of Auckland, Auckland, New Zealand
9:45 AM
 
Picking, choosing and re-evaluating: Developing a deglacial palaeomagnetic secular variation (PSV) master curve for Fennoscandia.
Bryan C Lougheed1,2, Andreas Nilsson3, Svante Bjorck1, Ian Snowball4 and Raimund Muscheler1, (1)Lund University, Lund, Sweden, (2)Free University of Amsterdam, Amsterdam, Netherlands, (3)University of Liverpool, Liverpool, United Kingdom, (4)Uppsala University, Uppsala, Sweden