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en.wikipedia.org/wiki/Metamorphic_rock

Metamorphic rocks arise from the transformation of existing rock types, in a process called metamorphism, which means "change in form". The original rock ...

geology.com/rocks/metamorphic-rocks.shtml

Amphibolite is a non-foliated metamorphic rock that forms through recrystallization under conditions of high viscosity and directed pressure. It is composed ...

www.onegeology.org/extra/kids/metamorphic.html

Metamorphic rocks are made by either heating up or squashing the earth's crust. They are often found in mountainous regions. One example is slate. Slate was ...

www.rocksandminerals4u.com/metamorphic.html

The table below shows examples of common metamorphic rocks. Clicking on the name of the rock will bring up a larger picture and a description of the rock type ...

www.sciencekids.co.nz/sciencefacts/earth/metamorphicrocks.html

Enjoy our awesome range of Earth facts for kids. Check out the cool trivia and have fun learning about some of our planet's most amazing features. Metamorphic ...

earth.rice.edu/mtpe/geo/geosphere/topics/rocks/30_rocks_metamorphic1.html

Metamorphic rocks are created by the physical or chemical alteration by heat and pressure of an existing igneous or sedimentary material into a denser form.

www.mineralogy4kids.org/rock-cycle/metamorphic-rocks

Any rock (igneous, sedimentary, or metamorphic) can become a metamorphic rock. If rocks are buried deep in the Earth at high temperatures and pressures, ...

www.pitt.edu/~cejones/GeoImages/6MetamorphicRocks.html

Metamorphic rocks always seem to get the shortest treatment in introductory geology classes. This is unfortunate, because metamorphic rocks form right where ...

www.dictionary.com/browse/metamorphic-rock

Metamorphic rock definition at Dictionary.com, a free online dictionary with pronunciation, synonyms and translation. Look it up now!