Which material is mainly found in continental crust?

Correct answer: Granite

The direct answer is B: granite is mainly associated with the continental crust. To understand this, the Earth’s crust is not identical everywhere. Continental crust is generally thicker, less dense and commonly made of granitic rocks, while oceanic crust is thinner, denser and commonly basaltic. In school geography, continental crust is also remembered as sial, meaning it is rich in silica and aluminium. Step by step: identify the question as asking about continental, not oceanic, crust; connect continental crust with granite and sial; then select B. Option A, basalt, is mainly associated with oceanic crust, so it is less correct here. Option B is correct because granite is the standard textbook material linked with continental crust. Option C, iron, is important in the deeper metallic core and is not the main material of continental crust. Option D, nickel, is also associated mainly with the core, not the crust. The distinction is a broad school-level generalisation, because crust contains several minerals, but among these options granite is clearly best. Memory cue: continental crust equals granite and sial; oceanic crust equals basalt and sima.