differentiate between SIAL and SIMA
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Answered by
19
Answer:
- Sial is composed of silicon and aluminium.It is upper layer which forms a discontinuous cover over the Earth's crust and is entirely absent the ocean floor. It is also called the continental crust.
- Sima is composed of silicon and magnesium. It is also called oceanic crust.
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Answered by
9
Explanation:
SLAL 1) consists of silicate and aluminium
2) average thickness 25 km
3) denisty is 2.7 gm/ cc
SIMA 1) consists of silica and magnesium
2) average thickness is about 35 km
3) density varies from 3.0 to 3.4 gm/ cc
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