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manganese nodule
(redirected from Polymetallic nodules)

    Also found in: Medical, Acronyms, Encyclopedia, Wikipedia 0.01 sec.
manganese nodule
n
(Earth Sciences / Geological Science) Geology a small irregular concretion found on deep ocean floors having high concentrations of certain metals, esp manganese
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The Group of 77 had suggested that regulations include the required transfer of technology for processing polymetallic nodules obtained from the deep sea-bed and procedures to enable developing countries to obtain necessary technology for sea-bed mining.
"Pioneer investor" duties; rules for sea-bed institutions considered by UN Chronicle
Mining code: Special Commission3--charged with preparing a mining code encompassing rules, regulations and procedures on prospecting, exploration and exploitation of polymetallic nodules in the international sea-bed area--conducted a preliminary examination of draft regulations dealing with the financial terms of mining contracts.
Preparatory Commission agrees on procedures for registering pioneer ... by UN Chronicle
 
 
 
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