Major and Trace Element Dataset of Ultramafic Minerals from the Ab-Bid Complex (Iran): Orthopyroxenite and Host Peridotite Compositions

This dataset presents major and trace element geochemical data for ultramafic minerals from the Ab-Bid complex, located in the Esfandagheh–Hadji Abad ophiolitic mélange, southern Iran. The samples include orthopyroxenite dykes and their host peridotites (harzburgite and lherzolite). Major element compositions were obtained by electron microprobe analyses (EPMA) for orthopyroxene, clinopyroxene, olivine, and spinel. Trace element data for orthopyroxene and clinopyroxene were acquired using LA-ICP-MS. The dataset supports the interpretation of multistage open-system melting, melt-peridotite interaction, and suprasubduction zone metasomatism. It provides a valuable reference for mantle petrologists, geochemists, and researchers studying subduction-modified ophiolitic complexes.本数据集收录了位于伊朗南部埃斯凡达盖-哈吉阿巴德蛇绿混杂岩带中的阿布比德杂岩体（Ab-Bid complex）内超镁铁质矿物的主量与微量元素地球化学数据。本次研究所涉样品包括斜方辉石岩脉及其寄主橄榄岩（方辉橄榄岩与二辉橄榄岩）。针对斜方辉石、单斜辉石、橄榄石及尖晶石，研究采用电子探针显微分析（EPMA）获取其主量元素组成；斜方辉石与单斜辉石的微量元素数据则通过激光剥蚀电感耦合等离子体质谱（LA-ICP-MS）方法测得。本数据集可为多阶段开放体系熔融、熔体-橄榄岩相互作用以及俯冲带上方交代作用的相关解释提供支撑，同时可为地幔岩石学家、地球化学家以及研究俯冲改造型蛇绿杂岩体的科研人员提供极具价值的参考依据。