Rheological Weakening of Olivine plus Orthopyroxene Aggregates Due To Phase Mixing: Part 2. Microstructural Development

We thank A. Dillman, J. Tielke, M. Pec, C. Qi, C. Meyers, and Z. Michels for helpful discussions and technical assistance, T. Hiraga and M. Morishige for valuable discussions, A. van der Handt for assistance of electron microprobe analyses, and B. Richter and N. Seaton for assistance of EBSD analysis. We thank L. Hansen for providing the original EBSD data in Hansen et al. (2012). The manuscript was significantly improved by insightful comments from two reviewers, R. Cooper and L. Hansen, and an Editor, M. Walter. This study was supported by a JSPS Research Fellowship for Young Scientists (26-4879) and the Japan Society for the Promotion of Science (16K17832) to M. T., a NASA grant (NNX15AL53G) to D.L.K., and a NSF grant (EAR-1345060) and a NASA grant (NNX11AF58G) to M.E.Z. Parts of this work were carried out in the Characterization Facility, University of Minnesota, which is a member of the NSF-funded Materials Research Facilities Network (www.mrfn.org) via the MRSEC program. Electron microprobe analyses were carried out at the Electron Microprobe Laboratory, Department of Earth Sciences, University of Minnesota, Twin Cities, and some of the EBSD work at the Department of Geosciences of the University of Tromso, Norway. Data used in this paper are available in the main text and supporting information.