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Society selects students for their outstanding scholarly achievement and commitment to advocacy and to fostering diversity By Saralyn Cruickshank / Published May 14, 2021
Five Johns Hopkins graduate students have been selected to join the university s chapter of the Edward Alexander Bouchet Graduate Honor Society, which recognizes outstanding scholarly achievement and promotes diversity and excellence in doctoral education and the professoriate.
The Bouchet Society seeks to develop a network of scholars who exemplify academic and personal excellence, foster collegial and inclusive environments, and serve as examples of scholarship, leadership, character, service, and advocacy for students who have been traditionally underrepresented in higher education. The society is named for Edward Alexander Bouchet, who in 1876 became the first African American to receive a doctoral degree in the United States.
Jian Xu; Xiao-Ping Xia; Qiang Wang; Christopher J. Spencer; Bin He .
Abstract:
The mechanisms and processes by which subducted slab interacted with mantle
plume remain controversial, as direct observation of such interaction is
difficult to impossible. Compositional heterogeneity of large igneous
provinces (LIPs) additionally makes plume-slab interaction hard to detect.
Oxygen isotopes are sensitive enough to trace the source of magmas. Here we
provide evidence for plume-slab interaction mainly based on in situ zircon
Hf-O isotope analyses, as well as whole-rock elemental and Sr-Nd-Hf isotope
analyses, on the Late Permian and Early Triassic A-type granites on the
margin of the Emeishan LIP in SW China. These granites show typical A-type