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manganese nodule

   Also found in: Medical, 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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Four elemental metals are the main components of value in manganese nodules and crusts - manganese, copper, nickel and cobalt," observed the centre's Bramley Murton in the study.
There are meteors from all over the universe that gather in one place in Antarctica and there are manganese nodules that grow on the bottom of the ocean over millions of years and yet the silt never covers them.
China has recognized the importance of resources from the oceans: manganese nodules and cobalt-rich ferromanganese crusts on the seafloor; hydrothermal deposits rich in precious metals; also biological resources, genes and enzymes from life in extreme environments, which are useful for pharmaceuticals and for exciting microbiological work.
 
 
 
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