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Matter / Gold panning / Gold prospecting / Prospecting / Placer deposit / Pyrite / Gold / Sedimentary rock / Mineral / Economic geology / Mining / Chemistry


Earthlearningidea - http://www.earthlearningidea.com/ Gold prospectors Panning for ‘gold’ in river sediment Set up one or more tubs, about half full of clean
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Document Date: 2014-11-17 06:01:41

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machinery / web search / online discussion / /

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GNU / /

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Peter Kennett / /

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teacher / /

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California / Alaska / /

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