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What are the 4 most abundant minerals in the continental crust? What percentage do these 4 makeup of the total?

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Answer:


SiO_2,
Al_2O_3,
CaO,
MgO

Step-by-step explanation:

The four most abundant minerals in the continental crust are,
SiO_2,
Al_2O_3,
CaO,
MgO.

The percentages are


SiO_2=60.6\%


Al_2O_3=15.9\%


CaO=6.4\%


MgO=4.7\%


SiO_2 is called quartz


Al_2O_3 is called corundum


CaO is called calcium oxide or quick lime


MgO is called magnesium oxide or magnesia

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