4.1 Ga zircon grains from the Barberton greenstone belt: New constraints on the Hadean crust
Nadja Drabon, Harvard University, Department of Earth and Planetary Sciences, Cambridge, MA, United States, Gary R Byerly, Louisana State Univ, Baton Rouge, LA, United States, Benjamin L Byerly, University of California, Santa Barbara, Santa Barbara, United States and Donald R. Lowe, Stanford Univeristy, Geological Sciences, Stanford, CA, United States
