Answers

2016-07-23T20:03:59+08:00

ny rock (igneous, sedimentary, or metamorphic) can become a metamorphic rock. If rocks are buried deep in the Earth at high temperatures and pressures, they form new minerals and textures all without melting. If melting occurs, magma is formed, starting the rock cycle all over again.

Geologists can learn the following about the Earth from the study of metamorphic rocks:

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