Pressure-Induced sp2-sp3 Transitions in Carbon-Bearing Phases / Sergey S Lobanov, Alexander F Goncharov -- High-Pressure Carbonaceous Phases as Minerals / Oliver Tschauner -- Phase and Melting Relations of Fe3C to 300 GPa and Carbon in the Core / Suguru Takahashi, Eiji Ohtani, Takeshi Sakai, Seiji Kamada, Shin Ozawa, Tatsuya Sakamaki, Masaaki Miyahara, Yoshinori Ito, Naohisa Hirao, Yasuo Ohishi -- Structure and Properties of Liquid Fe-C Alloys at High Pressures by Experiments and First-Principles Calculations / Bin Chen, Jianwei Wang -- A Geologic Si-O-C Pathway to Incorporate Carbon in Silicates / Alexandra Navrotsky, John Percival, Larissa Dobrzhinetskaya -- Structural and Chemical Modifications of Carbon Dioxide on Transport to the Deep Earth / Mario Santoro, Federico A Gorelli, Kamil Dziubek, Demetrio Scelta, Roberto Bini -- Carbon Redox Chemistry / Choong-Shik Yoo -- Crystallization of Water Mediated by Carbon / Tianshu Li, Yuanfei Bi, Boxiao Cao -- Structures and Crystal Chemistry of Carbonate at Earth's Mantle Conditions / Marco Merlini, Sula Milani, Juliette Maurice -- Nitrogen Diffusion in Calcite / Daniele Cherniak, Morgan Schaller, Bruce Watson -- High-Pressure Transformations and Stability of Ferromagnesite in the Earth's Mantle / Eglantine Boulard, Francois Guyot, Guillaume Fiquet -- Spin Transition of Iron in Deep-Mantle Ferromagnesite / Jiachao Liu, Suyu Fu, Jung-Fu Lin -- High-Pressure Na-Ca Carbonates in the Deep Carbon Cycle / Sergey Rashchenko, Anton Shatskiy, Konstantin Litasov -- Phase Diagrams of Carbonate Materials at High Pressures, with Implications for Melting and Carbon Cycling in the Deep Earth / Konstantin Litasov, Anton Shatskiy, Ivan Podborodnikov, Anton Arefiev -- Reactive Preservation of Carbonate in Earth's Mantle Transition Zone / Jie Li, Feng Zhu, Jiachao Liu, Junjie Dong -- Carbon Speciation and Solubility in Silicate Melts / Natalia Solomatova, Razvan Caracas, Ronald Cohen -- The Effect of Variable Na/K on the CO2 Content of Slab-Derived Rhyolitic Melts / Michelle Muth, Megan S Duncan, Rajdeep Dasgupta -- Hydrous Carbonatitic Liquids Drive CO2 Recycling From Subducted Marls and Limestones / Erwin Schettino, Stefano Poli -- The Viscosity of Carbonate-Silicate Transitional Melts at Earth's Upper Mantle Pressures and Temperatures, Determined by the In Situ Falling-Sphere Technique / Vincenzo Stagno, Yoshio Kono, Veronica Stopponi, Matteo Masotta, Piergiorgio Scarlato, Craig E Manning -- Mixed Fluids of Water and Carbon Dioxide / Evan Abramson -- Experimental Determination of Calcite Solubility in H2O-KCl-NaCl-LiCl Solutions at 700C and 8 kbar / James Eguchi, Yuan Li, Craig E Manning -- The Changing Character of Carbon in Fluids with Pressure / Dimitri Sverjensky, Isabelle Daniel, Alberto Vitale Brovarone -- Free Energies of Reaction for Aqueous Glycine Condensation Chemistry at Extreme Temperatures / Matthew Kroonblawd, Nir Goldman -- Predicted Speciation of Carbon in Subduction Zone Fluids / Meghan Guild, Everett L Shock -- Energetics of the Citric Acid Cycle in the Deep Biosphere / Peter A Canovas, Everett L Shock -- Deep Hydrocarbon Cycle / Vladimir Kutcherov, Kirill Ivanov, Elena Mukhina, Aleksandr Serovaiskii -- Diamondoids Under Pressure / Sulgiye Park, Yu Lin, Wendy L Mao.