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  1. Coal mine: A type of mine where coal is extracted from underground or open-pit mines to be used as a source of energy.
  2. Gold mine: A type of mine where gold ore is extracted and processed to produce gold, often found in underground mines or as open-pit mines.
  3. Diamond mine: A type of mine where diamonds are extracted and processed from volcanic pipes or alluvial deposits, with some mines operating underground while others are open-pit mines.
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AnswerBot

1y ago

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