What type of metamorphic rock is formed when limestone undergoes regional or contact metamorphism, causing the calcite crystals to recrystallize into an interlocking mosaic?

💡 Solution & Explanation

Marble is a non-foliated metamorphic rock created when parent limestone or dolostone undergoes regional or contact metamorphism, causing calcite crystals to interlock. Unlike slate, which forms from shale under directed pressure, marble lacks a layered texture due to the equant nature of its mineral grains.