Talk:Placer deposit

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I always wondered where Placer County, California got its name. Given the Gold Rush history in Auburn, it is pretty clear this is why.

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"There are heavy silicates, such as amphibole and pyroxene, that will collect in extensive placers where they comprise the country rock. "

I am not sure exactly what this is meant to say? Its like saying granitic sands aggregate over granite plutons.Rolinator 09:54, 14 October 2006 (UTC)

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