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  2. Manganese nodule - Wikipedia

    en.wikipedia.org/wiki/Manganese_nodule

    Nodules lie on the seabed sediment, often partly or completely buried. They vary greatly in abundance, in some cases touching one another and covering more than 70% of the sea floor surface. The total amount of polymetallic nodules on the sea floor was estimated at 500 billion tons by Alan A. Archer of the London Geological Museum in 1981. [6]

  3. Deep sea mining - Wikipedia

    en.wikipedia.org/wiki/Deep_sea_mining

    Polymetallic nodules on the deep seabed in the CCZ Example of manganese nodule that can be found on the sea floor. Polymetallic nodules are found at depths of 4–6 km (2.5–3.7 mi) in all major oceans, but also in shallow waters like the Baltic Sea and in freshwater lakes. [23] [24] They are the most readily minable type of deep sea ore. [25]

  4. The Metals Company - Wikipedia

    en.wikipedia.org/wiki/The_Metals_Company

    TMC the metals company Inc., [1] doing business as The Metals Company, formerly DeepGreen Metals, is a Canadian deep sea mining exploration company. [2] The company focuses on the mining of polymetallic (nickel, copper, cobalt and manganese) nodules [3] [4] in the Clarion Clipperton Zone of the Pacific.

  5. 4,000 Meters Below Sea Level, Scientists Have Found the ...

    www.aol.com/4-000-meters-below-sea-134600463.html

    The production of oxygen at the seafloor by polymetallic nodules is a new ecosystem function that needs to be considered when assessing the impact of deep-sea mining. These findings underscore the ...

  6. From the Ocean Floor to EVs: Join CEO, CFO of The Metals ...

    www.aol.com/news/powering-evs-join-ceo-cfo...

    IPO Edge and the Palm Beach Hedge Fund Association will host a fireside chat with the CEO and CFO of The Metals Company (Nasdaq: TMC) on Tuesday, Dec. 14 at 2pm ET to discuss TMC’s role in the ...

  7. Odyssey Marine Exploration - Wikipedia

    en.wikipedia.org/wiki/Odyssey_Marine_Exploration

    On June 4, 2023, Odyssey also invested in Ocean Minerals LLC (OML). Moana Minerals Limited, a wholly owned subsidiary of OML, holds a five-year exploration license from the Cook Islands Seabed Minerals Authority (SBMA) granted in 2022 to explore polymetallic nodules within the Cook Islands’ Exclusive Economic Zone (EEZ). [9]

  8. Polymetallic ore - Wikipedia

    en.wikipedia.org/wiki/Polymetallic_ore

    The term "polymetallic ore" also includes nodules, principally Manganese nodules, that do not form as terrestrial deposits but as concretions on the ocean floor. [3] [4] Rocks containing polymetallic ores are often altered or formed by hydrothermal processes — chloritization, sericitization and silicification.

  9. International Seabed Authority - Wikipedia

    en.wikipedia.org/wiki/International_Seabed_Authority

    The quiet CCZ, as wide as the continental U.S., is home to polymetallic nodules or trillions of potato-size lumps of matter formed over millions of years that contain nickel, manganese, copper, zinc and cobalt, as well as deep water coral, sponges and unusual species ("ghost octopus", crustaceans, worms and sea cucumbers) that in a near light ...