The grain-size dependence of yield strength during low-temperature plasticity of olivine: Evidence for weak lithospheric mantle

Lars N Hansen, University of Oxford, Oxford, United Kingdom, Kathryn M. Kumamoto, University of Minnesota - Twin Cities, Department of Earth and Environmental Sciences, Minneapolis, United States, Christopher Thom, University of Pennsylvania, Department of Earth and Environmental Sciences, Philadelphia, PA, United States, David Wallis, University of Cambridge, Department of Earth Sciences, Cambridge, United Kingdom, David L Goldsby, University of Pennsylvania, Department of Earth and Environmental Science, Philadelphia, PA, United States, William B Durham, MIT 54-720, Cambridge, MA, United States and David L Kohlstedt, University of Minnesota Twin Cities, Minneapolis, MN, United States