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Significance of size in occurrence, distribution, morphological characteristics, abundance, and resource evaluation of polymetallic nodules

DRS at CSIR-National Institute of Oceanography

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Title Significance of size in occurrence, distribution, morphological characteristics, abundance, and resource evaluation of polymetallic nodules
 
Creator Valsangkar, A.B.
Rebello, J.M.S.
 
Subject nodules
Basins
Ferromanganese nodules
Environmental conditions
 
Description About 13,000 different sized nodules from 249 locations covering 75,000 km2 relinquished Pioneer area in the Central Indian Basin (CIB) have been studied by assorting them in groups of 1 cm size intervals. The study shows systematic variation and inverse relationship of nodule size with the occurrence, distribution, grade, abundance, and Mn/Fe ratios. The study indicates that only 3–4 cm sized nodules in the first generation mine (FGM) site area are resources and have highest economical potential. The different sized nodules probably represent their formation under different environmental conditions which existed in the CIB
 
Date 2015-02-11T04:25:20Z
2015-02-11T04:25:20Z
2015
 
Type Journal Article
 
Identifier Marine Georesources & Geotechnolo, vol.33(2); 135-149p.
http://drs.nio.org/drs/handle/2264/4681
 
Language en
 
Rights The final and definitive form of the preprint has been published in the "Marine Georesources & Geotechnology" © 2015 Taylor & Francis; "Marine Georesources & Geotechnology" is available online at http://www.tandfonline.com with open URL of article : http://dx.doi.org/10.1080/1064119X.2013.815673. The term & condition associated with this preprint is at http://www.tandfonline.com/page/terms-and-conditions
 
Publisher Taylor and Francis