Earl O’Bannon

Earl O’Bannon received his B.S. from University of California, Riverside, where he worked with Larissa Dobrzhinetskaya and Harry Green, and his Ph.D. from University of California, Santa Cruz in 2017, where he was supervised by Quentin Williams. He is currently a postdoctoral scientist in the high-pressure physics group at Lawrence Livermore National Laboratory. His research interests include the structural properties of hydrous and carbon-bearing phases at mantle pressures and temperatures, metamorphic mineralogy, and how transition metals are bonded within silicates at extreme conditions.

Esther Posner

Esther Posner received her A.S.A. from Northwestern Michigan College in 2004, her B.S. in geology from Grand Valley State University in 2010, and her M.S. in geosciences from the University of Arizona in 2012. She completed her Ph.D. in experimental geosciences under the supervision of Dave Rubie at the Bayerisches Geoinstitut of Universität Bayreuth (Germany) in 2017 with her dissertation entitled “Mass transport and structural properties of liquid iron alloys at high pressure.” Esther is currently working at the Bayerisches Geoinstitut as a postdoctoral fellow and manager of the high-pressure experimental multianvil laboratory. Her research interests include the transport, structural, and elastic properties of minerals and melts and the formation and chemical evolution of planetary interiors.

Natalia Solomatova

Natalia Solomatova received her B.S. in geology from the University of California, Los Angeles in 2012 and her M.S. in geophysics from the California Institute of Technology in 2015. She completed her Ph.D. in geophysics under the supervision of Jennifer Jackson and Paul Asimow at Caltech in 2017. She is currently a postdoctoral scholar at École Normale Supérieure de Lyon in France under the mentorship of Razvan Caracas. Her research interests include spin and phase transitions in iron-bearing lower-mantle minerals, the complex speciation of carbon in high-pressure silicate melts, and the chemistry and thermodynamics of the protolunar disk after the Moon-forming impact.


(2018), O’Bannon, Posner, and Solomatova receive 2018 Mineral and Rock Physics Graduate Research Award, Eos, 99, https://doi.org/10.1029/2018EO108775. Published on 13 November 2018.

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