mineral resource and mineral reserve statement ... - Impala Platinum

Glossary of terms3PGE+Au5PGE+AuAfplatsAnorthositeAquariusARMASXBEEBord and pillarConcentratingDeclineDevelopmentDMRDuniteDykeFACFFaciesg/tGSSAhaHDSAHead gradeIn situIRSRefers to the sum of platinum, palladium, rhodium and gold as determined by a fire assaymethod (typically by a lead collection procedure); notably there are various methods inoperation at different laboratories and companies; these are not directly comparable.These fire assay methods typically under-measure the actual total platinum, palladium,rhodium and gold content.Refers to the sum of platinum, palladium, rhodium, ruthenium, iridium and gold asdetermined by a nickel sulphide fire assay procedure; this is the most accurate assayprocedure, and results can be compared between laboratories.African Platinum Limited.Plutonic rock composed almost entirely of plagioclase feldspar.Aquarius Platinum Limited.African Rainbow Minerals Limited of which ARM Platinum is a subsidiary.Australian Securities Exchange.Black economic empowerment.Underground mining method where ore is extracted from rectangular shaped rooms,leaving parts of the ore as pillars to support the roof. Pillars are usually rectangular andarranged in a regular pattern.A process of splitting the milled ore in two fractions, one containing the valuable minerals,the other waste.A shallow dipping mining excavation used to access the orebody.Underground excavation for the purpose of accessing Mineral Reserves.Department of Mineral Resources, formerly known as the Department of Minerals andEnergy (DME).Coarse-grained, igneous rock consisting mainly of olivine.A wall-like body of igneous rock that is intruded (usually vertically) into the surrounding rockin such a way that it cuts across the stratification (layering) of this rock.Fire assay conversion factor is merely the ratio of (5PGE+Au):(3PGE+Au). Note that thisdoes not merely reflect the impact of ruthenium and iridium.A rock unit defined by its composition, its shape and internal geometry. Generally, asub-unit of a more extensive rock unit with defining compositional, textural and othercharacteristics.Grams per tonne. The unit of measurement of grade, equivalent to parts per million.Geological Society of South Africa.Abbreviation for hectare, unit of area measurement equal to 10 000 square metres.Historically disadvantaged South Africans, being South African nationals who were, priorto 1994, disadvantaged whether by legislation or convention.The value, usually expressed in parts per million or gram per tonne, of the containedmineralisation of economic interest in material delivered to the mill.In its natural position or place.Impala Refining Services Limited.www.implats.co.za 48 Implats Mineral Resource and Mineral Reserve Statement 2010