More than 90 of the rock forming minerals in the earth rsquo s crust consist ........

World Geography (Easy) World Physical Aspects

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More than 90% of the rock forming minerals in the earth’s crust consist :

Silicate

Oxides

Carbonate

Sulphides and sulphates

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Explanation:

Silicate minerals are rock-forming minerals made up of silicate groups. They are the largest and most important class of minerals and make up approximately 90 percent of the Earth's crust. In mineralogy, silica (silicon dioxide) SiO2 is usually considered a silicate mineral. Silica is found in nature as the mineral quartz, and its polymorphs. Hence option 1st is correct.