The Metals Company returns to seafloor test mining site to assess ecosystem

TMC is determined to mine polymetallic nodules from the seafloor despite widespread opposition to their plans. Credit: The Metals Company

The test was conducted by TMC subsidiary Nauru Ocean Resources. TMC holds exploration and commercial rights to three areas in the Clarion Clipperton zone of the Pacific Ocean between Mexico and Hawaii. The rights were granted by the International Seabed Authority and sponsored by the governments of Nauru, Kiribati, and the Kingdom of Tonga. Approximately 3,000 tonnes of modules have been collected.

Research teams will use an array of box-core and multi-core samples as well as various benthic lander systems to assess the impact of previous operations on the plants and animals on the seafloor. They will also start long-term monitoring on the TOML-F area held by subsidiary Tonga Offshore Mining. This area and NORD-D are adjacent.

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