Hadean zircon from a 3.3 Ga sandstone, Barberton greenstone belt, South Africa Byerly, Benjamin L. ; Lowe, Donald R. ; Drabon, Nadja ; Coble, Matthew A. ; Burns, Dale H. ; Byerly, Gary R. Abstract Publication: Geology Pub Date: November 2018 DOI: 10.1130/G45276.1 Bibcode: 2018Geo....46..967B