MR52A:
Rheology of Earth's Mantle III Large-Scale Observations

Session ID#: 4498

Friday, 19 December 2014: 10:20 AM-12:20 PM
301 (Moscone_South)
Chairs:  Lowell M Miyagi, University of Utah, Department of Geology and Geophysics, Salt Lake City, UT, United States, Lars N Hansen, University of Oxford, Department of Earth Sciences, Oxford, United Kingdom, Anthony Brian Watts, University of Oxford, Oxford, United Kingdom and Nadege Hilairet, University of Lille 1, Villeneuve d'Ascq, France
Primary Convener:  Lowell M Miyagi, University of Utah, Department of Geology and Geophysics, Salt Lake City, UT, United States
Co-conveners:  Nadege Hilairet, University of Lille 1, Villeneuve d'Ascq, France, Lars N Hansen, University of Oxford, Department of Earth Sciences, Oxford, United Kingdom and Anthony Brian Watts, Univ Oxford, Oxford, United Kingdom
OSPA Liaison:  Lars N Hansen, University of Oxford, Department of Earth Sciences, Oxford, United Kingdom
Co-Sponsor(s):
  • DI - Study of the Earth's Deep Interior
  • G - Geodesy
  • S - Seismology
  • T - Tectonophysics
  • V - Volcanology, Geochemistry and Petrology
Index Terms:

1236 Rheology of the lithosphere and mantle [GEODESY AND GRAVITY]
3902 Creep and deformation [MINERAL PHYSICS]
5120 Plasticity, diffusion, and creep [PHYSICAL PROPERTIES OF ROCKS]
8162 Rheology: mantle [TECTONOPHYSICS]
Virtual Option?: No
Swirl Theme: Convection and circulation across scales

Abstracts Submitted to this Session:

Observational Constraints on Lithospheric Rheology and Their Implications for Lithospheric Dynamics and Plate Tectonics (Invited) (4518)
Shijie Zhong, University of Colorado at Boulder, Department of Physics, Boulder, United States and Anthony Brian Watts, University of Oxford, Oxford, United Kingdom
Flexural modeling of circum-Pacific trench – outer rise systems and its implications for mantle rheology (16572)
Johnny Hunter1, Anthony Brian Watts1 and Dan Bassett2, (1)University of Oxford, Oxford, United Kingdom, (2)Earth Sciences New Zealand, Lower Hutt, New Zealand
Inferring Mantle Reology in Western Nevada Using Postseismic Relaxation and Lake Lahontan Rebound (8997)
Haylee Dickinson and Andrew Mark Freed, Purdue University, West Lafayette, IN, United States
A- to B-Type Olivine Fabric Transitions Associated with Hydration, Dehydration and Shear Above the Farallon Flat Slab (Invited) (3420)
Whitney M Behr, Structural Geology & Tectonics Group, Dept. of Earth & Planetary Sciences, ETH Zürich, Zürich, Switzerland and Douglas Smith, University of Texas at Austin, Austin, TX, United States
Low Water Content in the Center of an Upper Mantle Shear Zone (10760)
Kathryn M. Kumamoto, University of Minnesota - Twin Cities, Department of Earth and Environmental Sciences, Minneapolis, United States, Jessica M Warren, University of Delaware, Earth Sciences, Newark, United States and Erik H Hauri, Carnegie Inst Washington, Washington, DC, United States
Mantle Water Fugacity is the Dominant Factor in Total Strength and Stability/Mobility of Continental Lithosphere (25609)
Anthony R Lowry1, Derek Schutt2, Marta Perez-Gussinye3, Xiaofei Ma4, Michael A Berry1 and Dhananjay Ravat5, (1)Utah State University, Logan, UT, United States, (2)Colorado State University, Geosciences, Fort Collins, United States, (3)Royal Holloway University of London, Department of Earth Sciences, Egham, United Kingdom, (4)Utah State University, Geology, Logan, UT, United States, (5)University of Kentucky, Lexington, KY, United States
Anisotropic Peridotite Rheology and Regional Upper Mantle Flow Patterns (8851)
Donna K Blackman1, Donald Boyce2, Paul Dawson2 and Olivier Castelnau3, (1)University of California Santa Cruz, Earth and Planetary Sciences, Santa Cruz, United States, (2)Cornell University, Ithaca, NY, United States, (3)CNRS, ENSAM, CNAM, PIMM, Paris Cedex 16, France
Effects of the Depth-Dependent Grain Size on the Evolution of Earth's Mantle: Linking Mantle Rheology and Geophysical Observations (9626)
Petar Glisovic, Queen's University, Geological Sciences and Geological Engineering, Kingston, ON, Canada and Alessandro M Forte, Université du Québec à Montréal, Sciences de la Terrre et de l'Atmosphère, Montreal, Canada