General Knowledge - World Geography - Discussion

53. 

The heavier silicates named as 'Sima' or silica + magnesium are most abundant in the

[A]. crust
[B]. core
[C]. mantle
[D]. ocean floors

Answer: Option D

Explanation:

No answer description available for this question.

Santo said: (Apr 20, 2011)  
right answer is MANTLE

Reshu Sharma said: (Jan 16, 2013)  
Ocean floor is the right answer as the ocean floor is made from basaltic rocks which are highly contain in so called SIMA, and the mantle is made from "Olivine" not from SIMA, for more information check out the G. C. Leong.

Vivek Kumar said: (Jul 2, 2015)  
Ocean floor is right answer because sima is in the low density layer and the low density layer is the ocean floors.

Dapinder said: (Nov 23, 2015)  
Ocean floor is right answer @Mr. Santo as mantle contains magnesium and iron.

Bihari Boss said: (Sep 6, 2016)  
The right answer is MANTLE.

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