Why Is Preserved Oceanic Bedrock Only Composed of Primarily Basalt

question 49

Multiple Choice

Why is preserved oceanic bedrock only composed of primarily basalt?

• A) Magma primarily cools to form basalt.
• B) Oceanic bedrock does not experience changes in heat that produce different rock types.
• C) Oceanic bedrock does not experience changes in pressure that produce different rock types.
• D) All of the above are correct.

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