Replication Data for: Double-diffusive layering during the evolution of planetary mantles

Key Points: Layering in Planetary Mantles: Degree of layering during planetary mantle evolution is a key issue, especially since seismic discontinuities were observed in Earth's mantle. Seismic Discontinuities and Phase Transitions: Observations correlate mantle seismic discontinuities with phase transitions in mantle minerals, affecting geochemical profiles in mantle-derived basalts (MORBs and OIBs). Double-Diffusive Layering: The study investigates double-diffusive layering in fluids with temperature-dependent viscosity, relevant to mantle material. Influence of Initial Composition Gradients: Examines how initial compositional gradients impact thermal and chemical evolution in planetary mantles. Numerical Experiments and Layer Formation: Experiments show that self-organized layers form through dynamic fractionation across a range of conditions, suggesting this as a generic mantle process. Implications for Chemical Reservoirs: This model offers a dynamic explanation for the formation of distinct chemical reservoirs throughout planetary mantle history.