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	<id>https://enciklopedija.cc/index.php?action=history&amp;feed=atom&amp;title=Srednji_ordovicij</id>
	<title>Srednji ordovicij - Povijest promjena</title>
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	<updated>2026-07-19T08:42:35Z</updated>
	<subtitle>Povijest promjena ove stranice na wikiju</subtitle>
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	<entry>
		<id>https://enciklopedija.cc/index.php?title=Srednji_ordovicij&amp;diff=448939&amp;oldid=prev</id>
		<title>WikiSysop: bnz</title>
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		<updated>2022-03-24T23:22:00Z</updated>

		<summary type="html">&lt;p&gt;bnz&lt;/p&gt;
&lt;table style=&quot;background-color: #fff; color: #202122;&quot; data-mw=&quot;interface&quot;&gt;
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				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;←Starija inačica&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Inačica od 24. ožujak 2022. u 23:22&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;Redak 1:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Redak 1:&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;&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&amp;lt;!--&#039;&#039;&#039;Srednji ordovicij&#039;&#039;&#039;--&amp;gt;&#039;&#039;&#039;&lt;/del&gt;Srednji ordovicij&#039;&#039;&#039;  druga je od tri [[Epoha (geologija)|geološke epohe]] ili statigrafskih nizova na koje je podijeljeno razdoblje [[ordovicij]]a. Obuhvaća vremensko razdoblje od prije 471,8 ± 1,6 do prije 460,9 ± 1,6 milijuna godina.&amp;lt;ref name=chart2010&amp;gt;[https://web.archive.org/web/20070222020331/http://www.stratigraphy.org/geowhen/stages/Middle_Ordovician.html Srednji ordovicij na Geo When Database], pristupljeno 28. ožujka 2014.&amp;lt;/ref&amp;gt; Prethodi mu [[rani ordovicij]], a slijedi mu [[kasni ordovicij]].&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;Srednji ordovicij&#039;&#039;&#039;  druga je od tri [[Epoha (geologija)|geološke epohe]] ili statigrafskih nizova na koje je podijeljeno razdoblje [[ordovicij]]a. Obuhvaća vremensko razdoblje od prije 471,8 ± 1,6 do prije 460,9 ± 1,6 milijuna godina.&amp;lt;ref name=chart2010&amp;gt;[https://web.archive.org/web/20070222020331/http://www.stratigraphy.org/geowhen/stages/Middle_Ordovician.html Srednji ordovicij na Geo When Database], pristupljeno 28. ožujka 2014.&amp;lt;/ref&amp;gt; Prethodi mu [[rani ordovicij]], a slijedi mu [[kasni ordovicij]].&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;== Podpodjela ==&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;== Podpodjela ==&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>WikiSysop</name></author>
	</entry>
	<entry>
		<id>https://enciklopedija.cc/index.php?title=Srednji_ordovicij&amp;diff=212584&amp;oldid=prev</id>
		<title>WikiSysop: Bot: Automatski unos stranica</title>
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		<updated>2021-10-11T00:13:47Z</updated>

		<summary type="html">&lt;p&gt;Bot: Automatski unos stranica&lt;/p&gt;
&lt;p&gt;&lt;b&gt;Nova stranica&lt;/b&gt;&lt;/p&gt;&lt;div&gt;&amp;lt;!--&amp;#039;&amp;#039;&amp;#039;Srednji ordovicij&amp;#039;&amp;#039;&amp;#039;--&amp;gt;&amp;#039;&amp;#039;&amp;#039;Srednji ordovicij&amp;#039;&amp;#039;&amp;#039;  druga je od tri [[Epoha (geologija)|geološke epohe]] ili statigrafskih nizova na koje je podijeljeno razdoblje [[ordovicij]]a. Obuhvaća vremensko razdoblje od prije 471,8 ± 1,6 do prije 460,9 ± 1,6 milijuna godina.&amp;lt;ref name=chart2010&amp;gt;[https://web.archive.org/web/20070222020331/http://www.stratigraphy.org/geowhen/stages/Middle_Ordovician.html Srednji ordovicij na Geo When Database], pristupljeno 28. ožujka 2014.&amp;lt;/ref&amp;gt; Prethodi mu [[rani ordovicij]], a slijedi mu [[kasni ordovicij]].&lt;br /&gt;
&lt;br /&gt;
== Podpodjela ==&lt;br /&gt;
[[Međunarodno povjerenstvo za stratigrafiju]] priznaje podjelu srednjeg ordovicija na dvije podepohe:&amp;lt;ref name=chart2010/&amp;gt;&amp;lt;ref&amp;gt;Felix Gradstein, Jim Ogg &amp;amp; Alan Smith: &amp;#039;&amp;#039;A Geologic timescale.&amp;#039;&amp;#039; Cambridge University Press 2004. {{ISBN|9780521786737}}&amp;lt;/ref&amp;gt;&lt;br /&gt;
 &lt;br /&gt;
* [[darivilij]] (468,1 ± 1,6 - 460,9 ± 1,9 milijuna godina),&lt;br /&gt;
* [[dapingij]] (471,8 ± 1,6 - 468,1 ± 1,6 milijuna godina),&lt;br /&gt;
&lt;br /&gt;
== Stratigrafska podjela i GSSP ==&lt;br /&gt;
Stratigrafski početak srednjeg ordovicija, podudara se sa slojevima [[dapingij]]a i karakterizira ga pojava [[konodonti|konodonta]] vrste &amp;#039;&amp;#039;Baltoniodus triangularis&amp;#039;&amp;#039; u geološkim slojevima. Gornja stratigrafska granica srednjeg ordovicija definirana je pojavom [[graptoliti|graptolita]] vrste &amp;#039;&amp;#039;Nemagraptus gracilis&amp;#039;&amp;#039; u geološkim slojevima.&lt;br /&gt;
&lt;br /&gt;
Globalna stratotipska točka ([[engleski|eng.]] &amp;#039;&amp;#039;Global Boundary Stratotype Section and Point - GSSP&amp;#039;&amp;#039;),&amp;lt;ref name=&amp;quot;ics2009&amp;quot;&amp;gt;[http://stratigraphy.science.purdue.edu/gssp/ Global Boundary Stratotype Section and Point (GSSP) of the International Commission of Stratigraphy], Status on 2010.&amp;lt;/ref&amp;gt; koju je [[Međunarodno povjerenstvo za stratigrafiju]] uzelo kao referentnu za srednji ordovicij je presjek Huanghuachang u kineskoj pokrajini [[Hubei]], oko 22&amp;amp;nbsp;km sjeverozapadno od [[Yichang]]a.&amp;lt;ref name=DN1&amp;gt;[http://stratigraphy.science.purdue.edu/gssp/detail.php?periodid=138&amp;amp;top_parentid=77 GSSP for Dapingian Stage]&amp;lt;/ref&amp;gt;&amp;lt;ref&amp;gt;Xiaofeng Wang, Svend Stouge, Bernd-D. Erdtmann, Xiaohong Chen, Zhihong Li, Chuanshang Wang, Qingluan Zeng, Zhiqiang Zhou und Huiming Chen: &amp;#039;&amp;#039;A proposed GSSP for the base of the Middle Ordovician Series: the Huanghuachang section, Yichang, China.&amp;#039;&amp;#039; Episodes, 28(2): 105-116, Beijing, 2005.&amp;lt;/ref&amp;gt;&lt;br /&gt;
&lt;br /&gt;
== Izvori ==&lt;br /&gt;
{{izvori}}&lt;br /&gt;
&lt;br /&gt;
{{Ordovicij}}&lt;br /&gt;
&lt;br /&gt;
[[Kategorija:Geološka razdoblja]]&lt;/div&gt;</summary>
		<author><name>WikiSysop</name></author>
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