The metamorphic rock formed from limestone is marble.

Quick Scoop

  • When limestone is subjected to high heat and pressure deep within the Earth, its tiny calcite crystals recrystallize into a denser rock called marble.
  • Marble is therefore described as a metamorphic rock whose protolith (original rock) is limestone.

In geology questions like this, when asked “name the metamorphic rock that is made from limestone,” the expected one-word answer is: marble.

TL;DR: The metamorphic rock made from limestone is marble.

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