Manganese nodules Manganese nodules on the sea floor are supposed to be millions of years old, but observed growth rates show they can form in centuries.
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techno and economic feasibility reports of manufacturing manganese sulfate. Report On Manufacture Of Distilled Spirits Alcoholic Beverages [Eiri1440] ..
Manganese is a chemical element with symbol Mn and atomic number 25. ... In 1972 the CIA's Project Azorian, ... Institute of Occupational Medicine Research Report TM ...