Exercise
Rocks and Minerals of Crust and Mantle
Explore the common rocks and mineral compositions that make up Earth's crust and mantle. Learn about the materials forming these key layers.
Questions
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MultiChoice
Which rock type forms from cooled molten rock (lava or magma)?
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MultiChoice
Which coarse-grained igneous rock is light-colored and forms continental crust?
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MultiChoice
Which fine-grained, dark igneous rock forms oceanic crust?
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MultiChoice
Which dense, green, ultramafic rock makes up Earth's mantle?
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MultiChoice
Which bright green mineral is abundant in peridotite rock from the mantle?
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MultiChoice
Which mineral is extremely common in granite rock of continental crust?
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MultiChoice
What form of pure carbon crystals form deep in the upper mantle under intense heat and pressure?
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MultiChoice
How do deep mantle diamonds reach Earth's surface?
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MultiChoice
What rock type is formed when existing rock is changed by high heat and pressure without melting?
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MultiChoice
What rock type forms from layers of compacted sand, mud, and mineral sediments?
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MultiChoice
Why is granite less dense than basalt?
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MultiChoice
What volcanic rock floats in water due to trapped gas bubbles?