What kind of rock is marble?
sedimentary rock
smelted sand
metamorphosed limestone
congealed lava under a volcano
Marble is a metamorphic rock. It is formed deep under the Earth surface, under high pressure and temperature between 500 and 700°C. Under such conditions calcite recrystallises and limestone is transformed into marble.  
reach: rather globalgeographygeologyrocks
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sedimentary rock
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