About Metamorphic Rocks Metamorphic rocks are the third great class of rocks. They occur when sedimentary and igneous rocks become changed, or metamorphosed, by conditions underground. geology.about.com/cs/basics_roxmin/a/aa0118...
Metamorphic Rock Facts Metamorphic Rock Facts sciencekids.co.nz/sciencefacts/earth/me...
List of metamorphic rocks List of metamorphic rocks https://en.wikipedia.org/wiki/List_of_rock_types
The Rock Cycle Any 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. mineralogy4kids.org/rock-cycle/metamorphic-...
Schist The schists form a group of medium-grade metamorphic rocks.. https://en.wikipedia.org/wiki/Schist
Hornfels Hornfels is the group designation for a series of rocks https://en.wikipedia.org/wiki/Hornfels
Common Metamorphic Rocks Examples of Common Metamorphic Rocks rocksandminerals4u.com/metamorphic.html...
Metamorphic rock Metamorphic rock is the result of the transformation of a pre-existing rock type https://en.wikipedia.org/wiki/Metamorphic_rock
Slate Slate is a fine-grained, homogeneous, sedimentary rock composed https://en.wikipedia.org/wiki/Slate
Gneiss Gneiss is a common and widely distributed type of rock formed by high grade regional metamorphic.. https://en.wikipedia.org/wiki/Gneiss
Granulite Granulite is a name used by petrographers to designate two distinct classes of rocks https://en.wikipedia.org/wiki/Granulite