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Ancient galena (lead ore) mining complex Cabezo Rajao Cartagena Spain Cabezo Rajao meaning cracked head was exploited by the Romans from around 2
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Unprocessed argentiferous (silver-containing) galena (lead II sulfide) ore from the ancient La Union mines Cartagena Spain Argentiferous galena is
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Argentiferous (silver-containing) galena (lead II sulfide) ore from the ancient La Union mines Cartagena Spain Argentiferous galena is an ore from
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