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	<title>File:P519556.jpg - Revision history</title>
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	<updated>2026-07-03T00:05:37Z</updated>
	<subtitle>Revision history for this page on the wiki</subtitle>
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		<id>http://earthwise.bgs.ac.uk/index.php?title=File:P519556.jpg&amp;diff=31723&amp;oldid=prev</id>
		<title>Scotfot: /* {{int:filedesc}} */</title>
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		<updated>2017-07-27T22:56:04Z</updated>

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				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Revision as of 23:56, 27 July 2017&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l1&quot;&gt;Line 1:&lt;/td&gt;
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		<author><name>Scotfot</name></author>
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		<id>http://earthwise.bgs.ac.uk/index.php?title=File:P519556.jpg&amp;diff=31722&amp;oldid=prev</id>
		<title>Scotfot: User created page with UploadWizard</title>
		<link rel="alternate" type="text/html" href="http://earthwise.bgs.ac.uk/index.php?title=File:P519556.jpg&amp;diff=31722&amp;oldid=prev"/>
		<updated>2017-07-27T22:53:12Z</updated>

		<summary type="html">&lt;p&gt;User created page with UploadWizard&lt;/p&gt;
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|description={{|1=Specimen of roofing slate quarried from Easdale Island, Argyllshire, Scotland. Specimen of slate showing collecting labels from the Geological Survey of Scotland and the British Geological Survey. This particular specimen is recorded as having been collected from the&amp;#039;Old Easdale&amp;#039;seam. The specimen is of Precambrian, Dalradian age. British Geological Survey Petrology Collection sample number EMC 5733. This slate is a typical dark-coloured West Highland slate, showing a strong crenulation lineation running across the cleavage surface (known by the quarrymen as a&amp;#039;grain&amp;#039;) with several crystals of pyrite. Because of its relatively small size this slate is classed as&amp;#039;undersized&amp;#039;. Scottish slate roofs make use of a range of sizes of slate, unlike the more uniform Welsh or English style of slate roofs. Specimen size: 27x16cm. P519556.}}&lt;br /&gt;
|date=2017-07-27 23:51:53&lt;br /&gt;
|source=British Geological Survey&lt;br /&gt;
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		<author><name>Scotfot</name></author>
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