geography/geology

i need a brief geological history of region where gabbro, schist and sandstone are formed and found

These three rocks are examples of igneus, metamorphic, and sedimentary rocks. Check these sites for more information.

http://en.wikipedia.org/wiki/Gabbro

http://en.wikipedia.org/wiki/Schist

http://en.wikipedia.org/wiki/Sandstone

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asked by bonita

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