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Chapter Xi. Gold, Silver, and Platinum Minerals 221

The Economic Aspect of Geology · C. K. (Charles Kenneth) Leith — chapter 10 of 42 · ~27 words · public domain

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GOLD ORES 221 Economic features 221 Geologic features 226

SILVER ORES 231 Economic features 231 Geologic features 234

PLATINUM ORES 237 Economic features 237 Geologic features 239

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