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Compositional variation recorded in deep-sea ferromanganese deposits of the Central Indian Ocean

DRS at CSIR-National Institute of Oceanography

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Title Compositional variation recorded in deep-sea ferromanganese deposits of the Central Indian Ocean
 
Creator Chandnani, M.
Gupta, D.K.
Yashrakshita
Singh, R.
Singh, P.
Baidya, S.
Banakar, V.K.
 
Subject ferromanganese oxides
chemical composition
genesis
 
Description Traditionally, the genesis of marine ferromanganese deposits (abyssal nodules and seamount crusts) has been discussed mostly based on their bulk composition. But, marine ferromanganese deposits are products of an intimate mixture of ultra-fine lithogenous silicates of continental origin (residue component) and colloidal Fe–Mn hydroxides precipitated within the seawater environment (hydrolysate component). The former component, although not dominant, has the ability to mask actual genetic relationships between various elements associated with hydrolysate component, in turn, affecting the understanding of the genesis of marine ferromanganese deposits. Against this background, we present here, the compositional variations recorded by the hydrolysate component of Fe–Mn hydroxide deposits and discuss the results in terms of their genesis.
 
Date 2012-10-01T07:33:38Z
2012-10-01T07:33:38Z
2012
 
Type Journal Article
 
Identifier Current Science, vol.103(5); 2012; 540-546
http://drs.nio.org/drs/handle/2264/4171
 
Language en
 
Rights Copyright [2012]. All efforts have been made to respect the copyright to the best of our knowledge. Inadvertent omissions, if brought to our notice, stand for correction and withdrawal of document from this repository.
 
Publisher Current Science Association