Mining in the Outer Continental Shelf and in the Deep Ocean
National Research Council
Broschiertes Buch

Mining in the Outer Continental Shelf and in the Deep Ocean

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As the worldwide demands for basic minerals increase and some resources on land show signs of rapid decrease, it is inevitable that the search for new sources will extend to the oceans - the largely unexplored 71 percent of the planet's surface. Of great importance is the rich reserve of hard minerals in the oceans - for example the so-called manganese nodules, which vary in size and shape from small pebbles to massive pavements, containing economically attractive deposits of manganese, copper, cobalt, and nickel. It is important to assess the nature and extent of the mineral resources of the ...