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		<title>Ammonite - Revision history</title>
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		<updated>2026-04-08T23:46:03Z</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=Ammonite&amp;diff=176241&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=Ammonite&amp;diff=176241&amp;oldid=prev"/>
				<updated>2020-10-01T10:46:34Z</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, defines ammonite as an: ‘Extinct group of marine animals of the subclass Ammonoidea in the class Cephalopoda, phylum Mollusca. They are excellent index fossils, and it is often possible to link the rock layer in which they are found to specific geological time periods. They originated in the late Silurian, were extremely abundant during the Mesozoic and became extinct at the end of the Cretaceous.’&lt;br /&gt;
&lt;br /&gt;
= Related articles on Designing Buildings Wiki =&lt;br /&gt;
&lt;br /&gt;
* London plan.&lt;br /&gt;
* Ground conditions.&lt;br /&gt;
* Supplementary Planning Guidance.&lt;br /&gt;
* Site investigation.&lt;br /&gt;
* Minerals surveyor.&lt;br /&gt;
* Types of soil.&lt;br /&gt;
* Geophysical survey.&lt;br /&gt;
* Types of stone.&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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