Seafloor massive sulphides are a valuable mineral raw material found at the bottom of the deep sea. The “Vertical Approach” is a method for extracting seafloor massive sulphides using the trench cutter method, an established technique in specialist foundation engineering that is operated and supported in the deep-sea environment from a ship on the open sea.
With the “Vertical Approach”, the template and the trench cutter are lowered using a winch instead of being placed once and then moved horizontally along the seabed
As a relatively small-scale intervention with a minimal ecological footprint, this approach is an ideal method for test mining and exploration of deposits up to a depth of 3,000m and was conceived in discussions...
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