De Waal, S.A.Graham, ITPhillips, David2015-12-132015-12-131012-0750http://hdl.handle.net/1885/92302Diorite and associated breccia form scattered outcrops on the Marble Hall Fragment, in the vicinity of the town of Marble Hall, Mpumalanga Province, South Africa. The diorite (2055.6 ± 3.1 Ma) intruded as sub-horizontal sills in highly deformed and metamKeywords: argon-argon dating; breccia; Bushveld Complex; diorite; geochemistry; Proterozoic; sill; South Africa20022015-12-12