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	<title>igneous | Boneblogger: Science and the outdoors</title>
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		<title>What’s the difference between igneous, metamorphic, and sedimentary rocks?</title>
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		<dc:creator><![CDATA[Greg]]></dc:creator>
		<pubDate>Tue, 22 Jun 2010 21:38:34 +0000</pubDate>
				<category><![CDATA[Geology]]></category>
		<category><![CDATA[ash]]></category>
		<category><![CDATA[Formations]]></category>
		<category><![CDATA[igneous]]></category>
		<category><![CDATA[igneous rock]]></category>
		<category><![CDATA[metamorphic]]></category>
		<category><![CDATA[sedimentary]]></category>
		<category><![CDATA[travertine]]></category>
		<category><![CDATA[travertine tile]]></category>
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					<description><![CDATA[<p>There is something basic in our desire to classify things. Early humans no doubt looked around them at the natural world and instinctively began to group, and subgroup, things. Maybe they grouped things that flew, things that swam, things with leaves, or whatever. And, we have been doing it ever since, trying to create a [&#8230;]</p>
<p>The post <a href="https://boneblogger.com/what%e2%80%99s-the-difference-between-igneous-metamorphic-and-sedimentary-rocks/">What’s the difference between igneous, metamorphic, and sedimentary rocks?</a> first appeared on <a href="https://boneblogger.com">Boneblogger: Science and the outdoors</a>.</p>]]></description>
		
		
		
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