Mineral chemistry of harzburgite samples from natural upper mantle shear zones in the Josephine Peridotite, SW Oregon

This file contains major elements analyzed using EMP, volatile elements using SIMS, and trace elements using LA-ICPMS of minerals from shear zones in the Josephine Peridotite, SW Oregon. Analyzed phases include orthopyroxene in all samples, and olivine and spinel in a subset of samples. The data were used to assess the roles of water and melt on shear localization in the upper mantle chemistry.