300 m.y. of komatiite evolution in the Barberton Greenstone Belt Robin, C. ; Arndt, N. ; Chauvel, C. ; Byerly, G. ; Kareem, K. ; Hofmann, A. ; Wilson, A. Abstract Publication: Geochimica et Cosmochimica Acta Supplement Pub Date: June 2009 Bibcode: 2009GeCAS..73Q1108R