Mining the deep ocean
Text settings Story text Size Small Standard Large Width * Standard Wide Links Standard Orange * Subscribers only Learn more Minimize to nav More than 13,000 feet below the surface of the Pacific Ocean, a more-than-70-ton machine trundled like a tank on its caterpillar tracks for a tenth of a mile—sucking up potato-sized nodules of rock packed with copper, manganese, cobalt, and nickel. It was 2022, and that pilot run of a subsea harvester by a Canadian business, The Metals Company, was pronounced a success. The company is working to get a green light to deploy similar machines for commercial harvesting over an area of 65,000 square kilometers, to extract over 600 million metric tons of nodules. There are riches on the ocean…