Difference between revisions of "Shale"
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| − | '''Shale''' is a smooth [[rock]] often used to make | + | '''Shale''' is a smooth [[rock]] often used to make [[chalkboard]]s. |
| − | [[Category:Sedimentary | + | [[Category:Sedimentary Rocks]] |
Revision as of 06:48, January 14, 2008
Shale is a smooth rock often used to make chalkboards.