GEOLOGY
GEOMORPHOLOGY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Sial means
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silicon and water
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silicon and aluminium
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silicon and nickel
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silicon and magnesium
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Explanation:
Detailed explanation-1: -sial. / (ˈsaɪəl) / noun. the silicon-rich and aluminium-rich rocks of the earth’s continental upper crust, the most abundant individual rock being granite.
Detailed explanation-2: -The uppermost layer of the crust is called the sial, consisting of silicate and aluminium (Si = silicate, Al = aluminium).
Detailed explanation-3: -Expert-Verified Answer Aluminum Silicate is made of silicon and alumina.
Detailed explanation-4: -The Continental Crust is also called the SiAl layer.
Detailed explanation-5: -The name ‘sima’ was taken from the first two letters of silica and of magnesia. Comparable is the name ‘sial’, which is the name for the upper layer of Earth’s crust (continental crust).
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