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首页> 外文期刊>Current Science: A Fortnightly Journal of Research >Compositional variation recorded in deep-sea ferromanganese deposits of the Central Indian Ocean
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Compositional variation recorded in deep-sea ferromanganese deposits of the Central Indian Ocean

机译：中印度洋深海铁锰矿床中记录的成分变化

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摘要

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.
机译：传统上，海洋铁锰矿床（深部结核和海山地壳）的成因大多是根据其总体组成来讨论的。但是，海洋锰铁矿床是大陆来源的超细岩性硅酸盐（残留成分）与海水环境中沉淀的胶体Fe-Mn氢氧化物（水解成分）的紧密混合物。前者虽然不占主导地位，但有能力掩盖与水解物成分相关的各种元素之间的实际遗传关系，进而影响对海洋锰铁矿床成因的理解。在这种背景下，我们在这里介绍了Fe-Mn氢氧化物沉积物的水解产物所记录的组成变化，并根据其成因讨论了结果。

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