Fig. 2: Annual metal production and reserve data for 1956–201827,28,29. | Communications Earth & Environment

Fig. 2: Annual metal production and reserve data for 1956–201827,28,29.

From: Future availability of non-renewable metal resources and the influence of environmental, social, and governance conflicts on metal production

Fig. 2

Data are shown as reserve/production ratio for selected bulk and ferrous minerals (a), precious (b), base (c) and minor (d) metals. Note the data gap (1979–1986) when only “reserves base” estimates were published, which are effectively the same as resources.

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