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Magnesium isotopic compositions of altered oceanic basalts and gabbros from IODP Site 1256 at the East Pacific RiseMagnesium isotopic compositions of altered oceanic basalts and gabbros from IODP Site 1256 at the East Pacific Rise

Magnesium isotopic compositions of altered oceanic basalts and gabbros from IODP Site 1256 at the East Pacific Rise

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【机构】 University of Science and Technology of China； China University of Geosciences (Beijing)； University of Houston；

【摘要】 <正>To investigate the behaviour of Mg isotopes during alteration of oceanic crust and constrain the Mg isotopic compositions of the altered oceanic crust(AOC),high-precision Mg isotope analyses have been conducted on forty-four altered basalts and gabbros recovered from IODP Site 1256,which represent the carbonate-barren AOC formed at the East Pacific Rise(EPR).These samples were altered by interaction of更多还原

【会议录名称】 2015中国地球科学联合学术年会论文集（二）——专题4俯冲带壳幔相互作用、专题5大陆地壳、岩石圈的构造演化与深部探测、专题6新构造与地质灾害

【会议名称】2015中国地球科学联合学术年会

【会议时间】2015-10-10
【会议地点】中国北京
【分类号】P736

【主办单位】中国地球物理学会、全国岩石学与地球动力学研讨会组委会、中国地质学会构造地质学与地球动力学专业委员会、中国地质学会区域地质与成矿专业委员会

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