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Deep-Sea Vents and Ore Deposits_HERO

Deep-sea vents and ore deposits

Deep-sea vents and ore deposits

  • Exhibition Text

    • Some ore deposits now exposed on land originally formed in the oceans. Metals dissolve in seawater when it flows through and reacts with hot rock. When hot, metal-laden water spews from vents and mixes with the cold ocean, the metals precipitate. Large piles of sulfide accumulate on the seafloor and are eventually buried by sediments, modified by heat and pressure in the crust, and uplifted. Some are exposed on land when erosion removes the overlying rocks.

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  • For Educators

    • Topic: Earth Science

      Subtopic: Minerals and Resources

      Keywords: Hydrothermal vents, Oceanography, Minerals, Metals, ore deposits

      Audience: General

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