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 Photos of Common Foliated and Non-Foliated Metamorphic Rock Types Pictures of Metamorphic Rocks
Photos of Common Foliated and Non-Foliated Metamorphic Rock Types
geology.com/rocks/metamorphic-rocks.shtml