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Introduction and overview
Deﬁning mineral resources and reserves
13 other sections not shown
acid alloys aluminium asbestos Australia ball clay barytes bauxite Blunden cadmium Canada cement cent centres of production chemical chief centres china clay coal construction consumer consumption copper costs country with chief Dartmoor demand deposits difﬁculties economic employment energy environmental estimated export extraction ﬁelds ﬁgure ﬁll ﬁnd ﬁne ﬁrst ﬁve ﬂuorspar forecasts fuel grade growth gypsum Hemerdon ilmenite impact important increase industry iron Japan Lady Sayer land Lee Moor less developed countries levels located major manganese manufacture metal million tonnes mineral resources minerals Mining Annual Review molybdenum multiplier nations needs nickel open-pit operations output by country phosphate plant problems processing quarry recycling reﬁned reserves resource base rock salt sand and gravel signiﬁcant smelting sources South Africa speciﬁc steel substitution Sullom Voe sulphur supply tungsten underground uranium USBM USSR utilisation waste whilst zinc