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Eleven harzburgites and one dunite from Ocean Drilling Program Leg 209 Hole 1274A preserve high-temperature mantle textures. Electron backscatter diffraction (EBSD) analysis shows moderately developed crystal lattice preferred orientations (LPOs) in olivine and orthopyroxene (M-indices≈0.1) indicative of crystal-plastic deformation at ~1250°C. These rocks preserve a protogranular texture with a weak...
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