<?xml version="1.0"?>
<feed xmlns="http://www.w3.org/2005/Atom" xml:lang="en">
	<id>http://earthwise-staging.bgs.ac.uk/index.php?action=history&amp;feed=atom&amp;title=OR%2F18%2F012_Appendix_6_%E2%80%93_Case_studies</id>
	<title>OR/18/012 Appendix 6 – Case studies - Revision history</title>
	<link rel="self" type="application/atom+xml" href="http://earthwise-staging.bgs.ac.uk/index.php?action=history&amp;feed=atom&amp;title=OR%2F18%2F012_Appendix_6_%E2%80%93_Case_studies"/>
	<link rel="alternate" type="text/html" href="http://earthwise-staging.bgs.ac.uk/index.php?title=OR/18/012_Appendix_6_%E2%80%93_Case_studies&amp;action=history"/>
	<updated>2026-04-14T15:38:22Z</updated>
	<subtitle>Revision history for this page on the wiki</subtitle>
	<generator>MediaWiki 1.42.3</generator>
	<entry>
		<id>http://earthwise-staging.bgs.ac.uk/index.php?title=OR/18/012_Appendix_6_%E2%80%93_Case_studies&amp;diff=44254&amp;oldid=prev</id>
		<title>Dbk at 11:40, 3 December 2019</title>
		<link rel="alternate" type="text/html" href="http://earthwise-staging.bgs.ac.uk/index.php?title=OR/18/012_Appendix_6_%E2%80%93_Case_studies&amp;diff=44254&amp;oldid=prev"/>
		<updated>2019-12-03T11:40:03Z</updated>

		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;table style=&quot;background-color: #fff; color: #202122;&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;tr class=&quot;diff-title&quot; lang=&quot;en&quot;&gt;
				&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 12:40, 3 December 2019&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-l1212&quot;&gt;Line 1,212:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 1,212:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;|- style=&amp;quot;vertical-align:top;&amp;quot;&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;|- style=&amp;quot;vertical-align:top;&amp;quot;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;| &amp;#039;&amp;#039;&amp;#039;Solution features in intervening units and receptor&amp;#039;&amp;#039;&amp;#039;&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;| &amp;#039;&amp;#039;&amp;#039;Solution features in intervening units and receptor&amp;#039;&amp;#039;&amp;#039;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;| colspan=&quot;4&quot; | A number of the potential receptors have potential for developing solution or karst features (Farrant, 2008&amp;lt;ref name=&quot;Farrant 2008&quot;&amp;gt;&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;FARRANT, A, and COOPER, A. 2008. Karst geohazards in the UK: the use of digital data for hazard management. &#039;&#039;Quarterly Journal of Engineering Geology and Hydrogeology&#039;&#039;, Vol.&amp;amp;nbsp;41, 339–356.      &lt;/del&gt;&amp;lt;/ref&amp;gt;) in the AOI. These include the Zechstein Group&amp;amp;nbsp;—&amp;amp;nbsp;due to the presence of anhydrite and dolomite, as well as Sherwood Sandstone and Mercia Mudstone where anhydrite has been documented in boreholes in the AOI, and gypsum in the latter to the southwest. The Corallian also has potential for solution features with swallow holes common at outcrop where it acts as a karstic aquifer. Mud losses were documented in this formation during drilling of the borehole in the northeast of the AOI. Because there is little evidence to support this factor for most of the units the confidence is medium.&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;| colspan=&quot;4&quot; | A number of the potential receptors have potential for developing solution or karst features (Farrant, 2008&amp;lt;ref name=&quot;Farrant 2008&quot;&amp;gt;&amp;lt;/ref&amp;gt;) in the AOI. These include the Zechstein Group&amp;amp;nbsp;—&amp;amp;nbsp;due to the presence of anhydrite and dolomite, as well as Sherwood Sandstone and Mercia Mudstone where anhydrite has been documented in boreholes in the AOI, and gypsum in the latter to the southwest. The Corallian also has potential for solution features with swallow holes common at outcrop where it acts as a karstic aquifer. Mud losses were documented in this formation during drilling of the borehole in the northeast of the AOI. Because there is little evidence to support this factor for most of the units the confidence is medium.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;                  &lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;                  &lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Dbk</name></author>
	</entry>
	<entry>
		<id>http://earthwise-staging.bgs.ac.uk/index.php?title=OR/18/012_Appendix_6_%E2%80%93_Case_studies&amp;diff=38433&amp;oldid=prev</id>
		<title>Dbk: 1 revision imported</title>
		<link rel="alternate" type="text/html" href="http://earthwise-staging.bgs.ac.uk/index.php?title=OR/18/012_Appendix_6_%E2%80%93_Case_studies&amp;diff=38433&amp;oldid=prev"/>
		<updated>2018-10-19T08:56:01Z</updated>

		<summary type="html">&lt;p&gt;1 revision imported&lt;/p&gt;
&lt;table style=&quot;background-color: #fff; color: #202122;&quot; data-mw=&quot;interface&quot;&gt;
				&lt;tr class=&quot;diff-title&quot; lang=&quot;en&quot;&gt;
				&lt;td colspan=&quot;1&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;1&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Revision as of 09:56, 19 October 2018&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-notice&quot; lang=&quot;en&quot;&gt;&lt;div class=&quot;mw-diff-empty&quot;&gt;(No difference)&lt;/div&gt;
&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;</summary>
		<author><name>Dbk</name></author>
	</entry>
	<entry>
		<id>http://earthwise-staging.bgs.ac.uk/index.php?title=OR/18/012_Appendix_6_%E2%80%93_Case_studies&amp;diff=38432&amp;oldid=prev</id>
		<title>Ajhil: /* Case Study 1: Conventional oil and gas, Southeast England */</title>
		<link rel="alternate" type="text/html" href="http://earthwise-staging.bgs.ac.uk/index.php?title=OR/18/012_Appendix_6_%E2%80%93_Case_studies&amp;diff=38432&amp;oldid=prev"/>
		<updated>2018-08-30T15:24:21Z</updated>

		<summary type="html">&lt;p&gt;&lt;span dir=&quot;auto&quot;&gt;&lt;span class=&quot;autocomment&quot;&gt;Case Study 1: Conventional oil and gas, Southeast England&lt;/span&gt;&lt;/span&gt;&lt;/p&gt;
&lt;a href=&quot;http://earthwise-staging.bgs.ac.uk/index.php?title=OR/18/012_Appendix_6_%E2%80%93_Case_studies&amp;amp;diff=38432&quot;&gt;Show changes&lt;/a&gt;</summary>
		<author><name>Ajhil</name></author>
	</entry>
</feed>