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Deep-sea manganese nodules in the stratigraphic record: evidence from DSDP cores
Glasby, G.P. (1978). Deep-sea manganese nodules in the stratigraphic record: evidence from DSDP cores. Mar. Geol. 28(1-2): 51-64
In: Marine Geology. Elsevier: Amsterdam. ISSN 0025-3227, more
Peer reviewed article  

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Keywords
    Ferromanganese nodules; Marine

Author  Top 
  • Glasby, G.P.

Abstract
    Examination of the core records of the first 370 holes of the Deep Sea Drilling Project (DSDP) reveals that manganese nodules are relatively uncommon in the stratigraphic column and that at least 42% of the nodules are from a restricted time period, the Pleistocene. It is suggested that manganese nodules have a more widespread occurrence at present than in the geological past and that the onset of high bottom current velocities approximately 3 . 5 million years ago as suggested by Kennett and Watkins has been a major influence in favouring nodule growth throughout much of the Pacific. Fossil manganese nodules from Timor formed during the Cretaceous when the present Antarctic circumpolar current was deflected north of Australia.

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