Question

what is sial
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Answer 1

Answer:

sial stands for steel India authority limited

Explanation:

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Answer 2

Answer:

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Explanation:

DEFINITION:-

• the material of the upper or continental part of the earth's crust, characterized as relatively light and rich in silica and alumina.

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In geology, the term 'sial' refers to the composition of the upper layer of the Earth's crust, namely rocks rich in silicates and aluminium minerals. It is sometimes equated with the continental crust because it is absent in the wide oceanic basins, but "sial" is a geochemical term rather than a plate tectonic term.

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• The uppermost layer of the crust is called sial consisting of silicate and Aluminium (Si =silicate, Al= aluminium).

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