Faul, UlrichFitz Gerald, John2015-12-130342-1791http://hdl.handle.net/1885/93913In polycrystalline aggregates of olivine with mean grain sizes above 35 μm plus a low basaltic melt fraction, both wetted and melt-free grain boundaries are observed after equilibration times at high pressures and temperatures of between 15 and 25 days.Keywords: grain boundary; melt; olivine; partial melting Electron backscatter diffraction; Grain boundary; Misorientation; Olivine; Partial melt199910.1007/s0026900501762015-12-12