Difference between sial and sima of earth
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HOMEWORK HELP > GEOLOGY
What is Sima and Sial ?
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FAROUK23 | CERTIFIED EDUCATOR
Sial refers to the earth’s crusts upper layer, it is made up of rocks abundant in silicate and aluminium based minerals. The word Sial itself is an amalgam of the first two letters of aluminium and silica, Sial runs anywhere from 5-70KM deep from the surface.
Sima is the earth’s crusts lower layer and contains rocks with an abundance of magnesium silicate minerals, the word Sima is an amalgam of the first two letters of Magnesium and Silica. While Sial makes up a majority of the continental crust, the oceanic crust is primarily composed of Sima.
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HOMEWORK HELP > GEOLOGY
What is Sima and Sial ?
print Print document PDF list Cite
Expert Answers
FAROUK23 | CERTIFIED EDUCATOR
Sial refers to the earth’s crusts upper layer, it is made up of rocks abundant in silicate and aluminium based minerals. The word Sial itself is an amalgam of the first two letters of aluminium and silica, Sial runs anywhere from 5-70KM deep from the surface.
Sima is the earth’s crusts lower layer and contains rocks with an abundance of magnesium silicate minerals, the word Sima is an amalgam of the first two letters of Magnesium and Silica. While Sial makes up a majority of the continental crust, the oceanic crust is primarily composed of Sima.
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