Final answer:
The rock composing part of the floor of the Miller Learning Center is likely marble, which is a metamorphic rock formed from limestone through heat and pressure, known for its light color and use in buildings and sculptures.
Step-by-step explanation:
The grey/white-colored rock composing part of the floor of the Miller Learning Center is likely marble. Marble is a metamorphic rock that forms when limestone is subjected to heat and pressure, causing it to recrystallize. This process transforms limestone into harder rock, typically characterized by a light color, often white. Marble is composed primarily of recrystallized calcite or dolomite and is known for its use in buildings and sculptures due to its ability to be polished to a high gloss and its relative ease of carving.
While marble frequently starts as limestone, it can also originate from other carbonate rocks. The formation process leads to colorful markings in the marble, which are caused by impurities within the original limestone. Historically, marble has been quarried for centuries and prominently used in architecture and art for its aesthetic appeal and durability.