what are metamorphic rocks ?
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https://www.usgs.gov › faqs › what-are-metamorphic-rockshttps://www.usgs.gov › faqs › what-are-metamorphic-rocks What are metamorphic rocks? | U.S. Geological Survey Metamorphic rocks started out as some other type […]
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how are metamorphic rocks formed ?
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https://www.worldatlas.com › articles › how-are-metamorphic-rocks-formed.htmlhttps://www.worldatlas.com › articles › how-are-metamorphic-rocks-formed.html How Are Metamorphic Rocks Formed? – WorldAtlas While sedimentary rock is formed from sediments, and igneous […]
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