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dbpediahttp://dbpedia.org/resource/
Subject Item
dbpedia:Metamorphic_rock
rdfs:comment
Metamorphic rocks arise from the transformation of existing rock types, in a process called metamorphism, which means "change in form". The original rock (protolith) is subjected to heat (temperatures greater than 150 to 200 °C) and pressure (1500 bars), causing profound physical and/or chemical change.
foaf:depiction
n6:jpg
dbpedia-owl:thumbnail
n4:300