16 10 2015 nbsp 0183 32 Limestone marble and chalk are all forms of Calcium Carbonate The difference lies in the formation of these rocks Chalk is a compaction of tiny fossil seashells marble is a metamorphic rock and limestone a sedimentary rock Blackboard chalk is really compressed gypsum Calcium Sulphate Take your
26 10 2016 nbsp 0183 32 嵌入式视频 nbsp 0183 32 Limestone and marble usgs how do you recognize limestone and marble usgs pubs Usgs Gov gip acidrain Html quot quot quot Googleusercontent search the main difference between limestone and marble is that limestone is a sedimentary rock typically composed of calcium carbonate fossils and marble is a
Sand is widely used in road construction, real estate development, concrete making etc. With the rapid…
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