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Polymetallic nodules, ... little is known about seabed ecosystems to understand the potential impacts of deep-sea mining, and some of the major tech companies, ...
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]
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.
Scattered across an abyssal plain known as the Clarion-Clipperton Zone (CCZ) are polymetallic nodules that are a potato-sized prize for mining companies in search of materials needed for humanity ...
Polymetallic nodules on the seafloor in the CCZ. The CCZ has been divided into 16 mining claims spanning approximately 1,000,000 square kilometres (390,000 sq mi). A further nine areas, each covering 160,000 square kilometres (62,000 sq mi), have been set aside for conservation. [1]
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 ...
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.
A view of flames and giant smoke over the sky as a fire erupted at Moss Landing Power Plant on Thursday that located on Pacific Coast Highway in Moss Landing of Monterey Bay, CA, Jan. 17, 2025.