GEOA/B: Geoscience of Iron and Iron Compounds

Presentations

• Phase Transformations of Iron-Sulfur Alloys Under Extreme Conditions of Earth and Super-Earths

  ORAL

  June 27, 2025, 9:15 AM – June 27, 2025, 9:30 AM

  Presenters

  • Azat Tipeev

    • University of South Florida

  Authors

  • Azat Tipeev

    • University of South Florida

  • Joseph M Gonzalez

    • University of South Florida

  • Sally June Tracy

    • Carnegie Inst of Washington

  • Ian Szumila

    • Carnegie Inst of Washington

  • Sibo Chen

    • Arizona State University

  • S.-H. Dan Shim

    • Arizona State University

  • Ivan Oleynik

    • University of South Florida

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• The structure and density of iron and iron-nickel alloys at Super-Earth core conditions

  ORAL

  June 27, 2025, 9:30 AM – June 27, 2025, 9:45 AM

  Presenters

  • Federica Coppari

    • Lawrence Livermore National Laboratory

  Authors

  • Federica Coppari

    • Lawrence Livermore National Laboratory

  • Raymond F Smith

    • Lawrence Livermore National Laboratory

  • Samantha M Clarke

    • Lawrence Livermore Natl Lab
    • Lawrence Livermore National Laboratory

  • Marius Millot

    • Lawrence Livermore National Laboratory

  • Amy E Jenei

    • Lawrence Livermore National Laboratory

  • Saransh Soderlind

    • Lawrence Livermore National Laboratory

  • Jon H Eggert

    • Lawrence Livermore National Laboratory

  • Thomas S Duffy

    • Princeton University

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• Probing the Fe₃C Phase Diagram at Conditions Relevant to Planetary Cores with Dynamic Compression Experiments

  ORAL

  June 27, 2025, 9:45 AM – June 27, 2025, 10:00 AM

  Presenters

  • Ian Szumila

    • Carnegie Inst of Washington

  Authors

  • Ian Szumila

    • Carnegie Inst of Washington

  • Donghoon Kim

    • Carnegie Institution for Science

  • Richard Gordon Kraus

    • University of Nevada, Reno

  • Raymond F Smith

    • Lawrence Livermore National Laboratory

  • Federica Coppari

    • Lawrence Livermore National Laboratory

  • Sota Takagi

    • Carnegie Inst of Washington

  • Marius Millot

    • Lawrence Livermore National Laboratory

  • Ivan Oleynik

    • University of South Florida

  • Sally June Tracy

    • Carnegie Inst of Washington

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• Recent high-pressure experiments that shed light on planetary cores

  ORAL · Invited

  June 27, 2025, 10:00 AM – June 27, 2025, 10:30 AM

  Publication: "Core Formation and Geophysical Properties of Mars." M. C. Brennan, R. A. Fischer, J. C. Irving (2020). Earth and Planetary Science Letters 530, 115923.
  "High-Pressure Deformation of Iron–Nickel–Silicon Alloys and Implications for Earth's Inner Core." M.C. Brennan, R. A. Fischer, S. Couper., L. Miyagi, D. Antonangeli, G. Morard (2021). Journal of Geophysical Research: Solid Earth 126, e2020JB021077.
  "Timing of Martian Core Formation from Models of Hf–W Evolution Coupled with N-body Simulations." M. C. Brennan, R. A. Fischer, F. Nimmo, D. P. O'Brien (2022) Geochimica et Cosmochimica Acta 316, 295–308.

  Presenters

  • Matthew C Brennan

    • Los Alamos National Laboratory (LANL)

  Authors

  • Matthew C Brennan

    • Los Alamos National Laboratory (LANL)

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