What has large crystals because the magma began to cool slowly, then erupted?

What has large crystals because the magma began to cool slowly, then erupted?

  • Correct Answer: porphyry
  • crystalline
  • lava
  • chalky

Explanation: This sarcophagus is housed at the Vatican Museum. The rock is the igneous extrusive rock porphyry. Porphyry has large crystals because the magma began to cool slowly, then erupted.

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