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Why do you think the ocean crust contains rocks that are more dense than the rocks found on land?
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Why do you think the ocean crust contains rocks that are more dense than the rocks found on land?

User Al Zziwa
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The oceanic crust consists of a volcanic lava rock called basalt. Basaltic rocks of the ocean plates are much denser and heavier than the granitic rock of the continental plates. Because of this the continents ride on the denser oceanic plates.

User Ashley Staggs
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