continental crust

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The layers of igneous, sedimentary, and metamorphic rocks that form the continents. Continental crust is much thicker than oceanic crust. Continental crust is defined as having higher concentrations of very light elements like K, Na, and Ca, and is the lowest density rocky layer of Earth. Its average composition is similar to granite.

Synonyms:
continent, continental
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Author: Chris

Assistant Professor, Salt Lake Community College, Salt Lake City, Utah