Limestone and marble are the two rocks that are easily weathered by carbonic acid. Most rocks are faced with the issue of weathering. Some weather very fast and due to the presence of certain chemicals while other may be affected by some other phenomenon. Limestone is a kind of sedimentary rock and it is very commonly found. Limestone makes up to about 10% of all sedimentary rocks present. Marble on the other hand is a kind of metamorphic rock.The word "marble" has been derived from Greek word. Both marble and Limestone are naturally formed rocks.
