Transitions between the Hadean, Archean, and Modern World: Zircon/melt Kds clarify formation conditions of Earth’s earliest crust

Tamara Carley1, Elizabeth A Bell2, Lily L Claiborne3, Calvin F Miller3 and T. Mark Harrison4, (1)Lafayette College, Earth and Environmental Geosciences, Easton, PA, United States, (2)University of California Los Angeles, Earth, Planetary, and Space Sciences, Los Angeles, CA, United States, (3)Vanderbilt University, Earth and Environmental Sciences, Nashville, TN, United States, (4)University of California Los Angeles, Department of Earth, Planetary, and Space Sciences, Los Angeles, United States