The Metals Company

Innovation at Depth

Key points TMC’s collector weighs about 90 tons in air but only 15 tons on the seafloor with buoyancy applied, and post-pass surveys showed disturbance of just a few centimeters, versus roughly 80 cm of sediment churning from the older Archimedes screw design. The Coanda nozzle intake…

Noise & Light – What does the data tell us?

Key points Hydrophone monitoring found noise above 120 decibels, the U.S. National Marine Fishery Service threshold for a cetacean behavioral response, extends about 3.6 km around the production vessel. The main noise source is the vessel’s dynamic positioning thrusters, not seismic…

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