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Benthic Plumes – What does the data tell us?

Key points TMC’s 2022 test mining campaign found that up to 98% of sediment stirred up during collection resettles directly on the seafloor, with more than 95% settling within 1-2 kilometers of the collector vehicle. Sediment discharged at 2,000 meters depth dilutes to background…

Debmarine Namibia has unveiled two next-generation crawlers

Key points Debmarine Namibia has unveiled two next-generation subsea crawlers valued at N$1.1 billion, built in-house and expected to boost diamond recovery by 20%, recovering around 80,000 natural marine diamonds annually. Project Manager David Shivute says the new crawler weighs 370…

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