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		<id>https://www.designingbuildings.co.uk/w/index.php?action=history&amp;feed=atom&amp;title=Caledonian</id>
		<title>Caledonian - Revision history</title>
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		<updated>2026-05-13T06:44:07Z</updated>
		<subtitle>Revision history for this page on the wiki</subtitle>
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		<id>https://www.designingbuildings.co.uk/w/index.php?title=Caledonian&amp;diff=176476&amp;oldid=prev</id>
		<title>Designing Buildings: Created page with &quot;[https://www.london.gov.uk/what-we-do/planning/implementing-london-plan/london-plan-guidance-and-spgs/londons-foundations Green infrastructure and open environments: London’s f...&quot;</title>
		<link rel="alternate" type="text/html" href="https://www.designingbuildings.co.uk/w/index.php?title=Caledonian&amp;diff=176476&amp;oldid=prev"/>
				<updated>2020-10-02T10:06:47Z</updated>
		
		<summary type="html">&lt;p&gt;Created page with &amp;quot;[https://www.london.gov.uk/what-we-do/planning/implementing-london-plan/london-plan-guidance-and-spgs/londons-foundations Green infrastructure and open environments: London’s f...&amp;quot;&lt;/p&gt;
&lt;p&gt;&lt;b&gt;New page&lt;/b&gt;&lt;/p&gt;&lt;div&gt;[https://www.london.gov.uk/what-we-do/planning/implementing-london-plan/london-plan-guidance-and-spgs/londons-foundations Green infrastructure and open environments: London’s foundations: protecting the geodiversity of the capital], Supplementary Planning Guidance, published by the Mayor of London in March 2012, suggests that Caledonian: ‘Refers to a major mountain-building (orogeny) event related to the closure of the Iapetus Ocean and the convergence of the Laurentia, Baltica and Avalonia crustal blocks during the Ordovician, Silurian and early Devonian. It affected eastern North America, Scotland, Ireland, Scotland, Scandinavia and Greenland.’&lt;br /&gt;
&lt;br /&gt;
= Related articles on Designing Buildings Wiki =&lt;br /&gt;
&lt;br /&gt;
* Bedrock.&lt;br /&gt;
* Calcite.&lt;br /&gt;
* Ground conditions.&lt;br /&gt;
* London plan.&lt;br /&gt;
* Silica.&lt;br /&gt;
* Soil report.&lt;br /&gt;
* Soil survey.&lt;br /&gt;
* Types of rock.&lt;br /&gt;
* Types of soil.&lt;br /&gt;
&lt;br /&gt;
[[Category:DCN_Definition]] [[Category:Definitions]]&lt;/div&gt;</summary>
		<author><name>Designing Buildings</name></author>	</entry>

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