Deep-sea bottom photographs show that benthic organisms remove sediment cover from manganese nodules

MARINE geologists, geochemists, biologists and other oceano-graphers have studied manganese nodules since they were first reported by Murray and Renard1 in 1891. Much has been learned (see ref. 2 for a recent review) but many aspects of their formation and growth are open to question. The Environmental Research Laboratory of the National Oceanic and… CONTINUE READING