Deep burial of calcium carbonate-bearing rocks results in metamorphism, or transformation, of limestone to marble. This mechanism removes carbon from the surface reservoirs (atmosphere, ocean, soil, biosphere), locking it up for long periods of time.
Donated by Jonson Atelier, Mercerville, New Jersey
Topic: Earth Science
Subtopic: Minerals and Resources
Keywords: Calcium carbonate, Carbon cycle (Biogeochemistry), Limestone, Marble, Metamorphism (Geology)