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Occurrence • Iron, Sulfur
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Occurrence • Iron, Copper
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Occurrence • Iron, Sulfur
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Occurrence • Sulfur-Pyrite, Iron, Copper
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Occurrence • Iron, Copper
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Past Producer • Chromium, Nickel
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Plant • Phosphorus-Phosphates
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Producer • Copper, Sulfur-Pyrite
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Prospect • Copper, Lead, Zinc
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Plant • Phosphorus-Phosphates
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Occurrence • Boron-Borates
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