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Gold, copper, iron
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Discusses the geologic formation of metal ores, the types of tools scientists use to find such deposits, and the many ways in which they are used.
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Discusses the geologic formation of metal ores, the types of tools scientists use to find such deposits, and the many ways in which they are used.
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"Discusses the geologic formation of metal ores, the types of tools scientists use to find such deposits, and the many ways in which they are used."
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