The newest Witwatersrand dumps are paleoplacer deposits, which means that they certainly were placers whenever originally deposited. The foundation of one’s Witwatersrand deposits is a bit from a puzzle. Placers form whenever hard-rock places try eroded, and sedimentary processes focus ore. But really now we all know from no hard-material silver places of sufficient size to account for the volume of your own Witwatersrand placers.

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