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Revision history of "Rocks and Ores"

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  • curprev 14:28, 23 May 2013‎ Admin talk contribs‎ 2,482 bytes +2,482‎ Created page with "<!-- intro to subcategory --> <p>Rock can be defined as a solid body of one or more kinds of minerals. In a few cases, however, rocks may contain material that is not mineral..."
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