Friday, January 29, 2010

Rocks Rock!


1. Coal is a sedimentary rock, used for heat as of today.

2.Marble is an igneous rock, used for decoration or type of jewlery.

3. Glass is a metamorphic rock, used to drink out of or decoration.

4.This is an metamorphic rock, it is very foliated, I think it is a very interesting rock!

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