Assibey-Bonsu, Winfred2016-11-012016-11-012016http://hdl.handle.net/10539/21335This thesis proposes some new valuation models and procedures for global and local ore reserve estimation. To obtain efficient grade and tonnage estimates for global borehole valuations of new gold mining properties, the appropriate spatial and distributional models for the mineralisation are absolutely essential. [Abbreviated Abstract. Open document to view full version]enMine valuation--Research--South AfricaOre deposits--Valuation--South AfricaGold mines and mining--ResearchThesis