August 7, 2012

Colombia, 1884

Assuming Colombia's annual platina yield was 916.67 kgs.

1884: 1 Troy Oz. platina (Source: Choco, Colombia; 85% ore) = Fr 9.33 (USD$ )

Citation: Bulletin de la Société royale de géographie d'Anvers Vol. 12  (1887) "Mines d'or et d'argent de la Colombie" M. Pol. de Bruycker


Approximately 15% of the global yield came from Colombia (Choco.)

Citation: Mineral Resources of the United States, Vol. 2 US Geological Survey (1885) p.577


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