Bailey, Andrew Charles2016-06-062016-06-062016-06-06http://hdl.handle.net/10539/20424Thesis (M.Sc.)--University of the Witwatersrand, Faculty of Science, 1991This study documents and interprets the stratigraphy and sedimentary environments of the upper Johannesburg and Turffontein Subgroups of the Witwatersrand Supergroup on St. Helena Gold Mine. These data are used to construct a tectono-stratigraphic framework and determine the general distribution of economic mineralization. [Abbreviated abstract. Open document to view full version]enGeology, Structural--Research--South Africa--Free StateThesis