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	<id>https://www.dwarffortress.fr/wiki/index.php?action=history&amp;feed=atom&amp;title=Couche_S%C3%A9dimentaire_%28sedimentary_layer%29</id>
	<title>Couche Sédimentaire (sedimentary layer) - Historique des versions</title>
	<link rel="self" type="application/atom+xml" href="https://www.dwarffortress.fr/wiki/index.php?action=history&amp;feed=atom&amp;title=Couche_S%C3%A9dimentaire_%28sedimentary_layer%29"/>
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	<updated>2026-05-20T23:51:11Z</updated>
	<subtitle>Historique des versions pour cette page sur le wiki</subtitle>
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	<entry>
		<id>https://www.dwarffortress.fr/wiki/index.php?title=Couche_S%C3%A9dimentaire_(sedimentary_layer)&amp;diff=25711&amp;oldid=prev</id>
		<title>Guiwald : /* Couches sédimentaires */</title>
		<link rel="alternate" type="text/html" href="https://www.dwarffortress.fr/wiki/index.php?title=Couche_S%C3%A9dimentaire_(sedimentary_layer)&amp;diff=25711&amp;oldid=prev"/>
		<updated>2018-11-25T19:58:17Z</updated>

		<summary type="html">&lt;p&gt;&lt;span class=&quot;autocomment&quot;&gt;Couches sédimentaires&lt;/span&gt;&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;← Version précédente&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Version du 25 novembre 2018 à 21:58&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-l23&quot;&gt;Ligne 23 :&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Ligne 23 :&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;*[[Calcaire (limestone)]]&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;*[[Calcaire (limestone)]]&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;*[[Conglomérat (conglomerate)]]&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;*[[Conglomérat (conglomerate)]]&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;*[[Dolomite &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;(dolomite)&lt;/del&gt;]]&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;*[[Dolomite]]&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;*[[Chaille (chert)]]&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;*[[Chaille (chert)]]&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;*[[Craie (Chalk)]]&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;*[[Craie (Chalk)]]&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;

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&lt;/table&gt;</summary>
		<author><name>Guiwald</name></author>
	</entry>
	<entry>
		<id>https://www.dwarffortress.fr/wiki/index.php?title=Couche_S%C3%A9dimentaire_(sedimentary_layer)&amp;diff=8388&amp;oldid=prev</id>
		<title>Slimseig : fin</title>
		<link rel="alternate" type="text/html" href="https://www.dwarffortress.fr/wiki/index.php?title=Couche_S%C3%A9dimentaire_(sedimentary_layer)&amp;diff=8388&amp;oldid=prev"/>
		<updated>2014-05-30T19:39:21Z</updated>

		<summary type="html">&lt;p&gt;fin&lt;/p&gt;
&lt;a href=&quot;https://www.dwarffortress.fr/wiki/index.php?title=Couche_S%C3%A9dimentaire_(sedimentary_layer)&amp;amp;diff=8388&amp;amp;oldid=8387&quot;&gt;Voir les modifications&lt;/a&gt;</summary>
		<author><name>Slimseig</name></author>
	</entry>
	<entry>
		<id>https://www.dwarffortress.fr/wiki/index.php?title=Couche_S%C3%A9dimentaire_(sedimentary_layer)&amp;diff=8387&amp;oldid=prev</id>
		<title>Slimseig le 30 mai 2014 à 18:03</title>
		<link rel="alternate" type="text/html" href="https://www.dwarffortress.fr/wiki/index.php?title=Couche_S%C3%A9dimentaire_(sedimentary_layer)&amp;diff=8387&amp;oldid=prev"/>
		<updated>2014-05-30T18:03:37Z</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;
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				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Version précédente&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Version du 30 mai 2014 à 20:03&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-l7&quot;&gt;Ligne 7 :&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Ligne 7 :&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;lt;sup&amp;gt;(* Celles-ci peuvent servir de [[Flux|flux]]. ** Celles-ci sont [[À l&amp;#039;épreuve du magma (magma-safe)|à l&amp;#039;épreuve du magma]].)  &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;lt;sup&amp;gt;(* Celles-ci peuvent servir de [[Flux|flux]]. ** Celles-ci sont [[À l&amp;#039;épreuve du magma (magma-safe)|à l&amp;#039;épreuve du magma]].)  &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; 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;Sedimentary layers are&lt;/del&gt;, &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;on average&lt;/del&gt;, &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;the most economically valuable of the four stone layers&lt;/del&gt;. &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;They are your only &lt;/del&gt;source &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;of &lt;/del&gt;bituminous coal &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;and &lt;/del&gt;lignite, &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;vital for fueling &lt;/del&gt;non-&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;magma forges and for the &lt;/del&gt;coke &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;steel-making requires &lt;/del&gt;(&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;especially if you lack trees&lt;/del&gt;). &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;They are much richer in iron ores than other rock &lt;/del&gt;formations. &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;Several sedimentary rocks &lt;/del&gt;- dolomite, &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;chalk&lt;/del&gt;, &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;and limestone - are fluxes&lt;/del&gt;, &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;required for steel-making and also being twice as valuable as normal stone&lt;/del&gt;, &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;making them useful for trade goods or furniture&lt;/del&gt;.&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;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;Les [[Couche de pierre (stone layer)|couches de pierre]] sédimentaire sont&lt;/ins&gt;, &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;en général&lt;/ins&gt;, &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;les plus intéressantes d&#039;un point de vue économique&lt;/ins&gt;. &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;Elles sont la seule &lt;/ins&gt;source &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;de [[Charbon bitumeux (&lt;/ins&gt;bituminous coal&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;)|charbon bitumeux]] et de [[Lignite (lignite)|&lt;/ins&gt;lignite&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;]]&lt;/ins&gt;, &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;vitaux comme combustible dans les [[Forge (forge)|forge]] &lt;/ins&gt;non-&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;magmatiques, et comme source de carbone dans la production d&#039;[[Acier (Steel)|acier]] et de [[Coke (coke)|&lt;/ins&gt;coke&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;]] &lt;/ins&gt;(&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;surtout si vous manquez d&#039;arbres&lt;/ins&gt;). &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;Elles sont beaucoup plus riche en minerais métalliques que les autres &lt;/ins&gt;formations &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;rocheuses&lt;/ins&gt;. &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;Plusieurs roches sédimentaires &lt;/ins&gt;- dolomite, &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;craie et calcaire - sont des [[Flux|flux]]&lt;/ins&gt;, &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;requis pour la production d&#039;acier et deux fois plus précieux que la roche normale, utiles pour les biens de commerce ou les meubles.&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-deleted&quot;&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; &lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-deleted&quot;&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;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;Les couches sédimentaires peuvent s&#039;avérer difficile à localiser. Si vous voulez embarquer sur une zone avec ces couches, utilisez la fonction &quot;Find Desirable Location&quot; (trouver lieu favorable) avant l&#039;embarquement et choisissez d&#039;inclure les lieux avec du [[Flux|flux]]. Étant donné que la plupart des flux sont dans des couches sédimentaires, cela augmentera les chances d&#039;en avoir en surface. Attention en utilisant cette fonction&lt;/ins&gt;, &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;quelquefois des sites choisis (en vert) auront du flux&lt;/ins&gt;, &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;sans que ce soit indiqué&lt;/ins&gt;.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-deleted&quot;&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; &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; 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;Sedimentary layers can be tricky to locate. If you are starting off and you want access to an embark area with sedimentary layers, use the &quot;Find Desirable Location&quot; function before embark and set your parameters to include sites with flux stone. Since most flux stones are found in sedimentary layers, this will increase your chances that a suitable site will have sedimentary rock near the surface. Be careful when using the &quot;Find Desirable Location&quot; function as it will sometimes list green sites that have flux stone but it will not indicate that it does, actually, have flux stone.&lt;/del&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-added&quot;&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;(In real world geology, sedimentary stone is formed by sediment. The sediment collects in constantly growing heaps and the pressure at the bottom eventually forms the sediment into stone.)&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;(In real world geology, sedimentary stone is formed by sediment. The sediment collects in constantly growing heaps and the pressure at the bottom eventually forms the sediment into stone.)&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;

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&lt;/table&gt;</summary>
		<author><name>Slimseig</name></author>
	</entry>
	<entry>
		<id>https://www.dwarffortress.fr/wiki/index.php?title=Couche_S%C3%A9dimentaire_(sedimentary_layer)&amp;diff=8386&amp;oldid=prev</id>
		<title>Slimseig : début de traduction</title>
		<link rel="alternate" type="text/html" href="https://www.dwarffortress.fr/wiki/index.php?title=Couche_S%C3%A9dimentaire_(sedimentary_layer)&amp;diff=8386&amp;oldid=prev"/>
		<updated>2014-05-30T16:02:38Z</updated>

		<summary type="html">&lt;p&gt;début de traduction&lt;/p&gt;
&lt;p&gt;&lt;b&gt;Nouvelle page&lt;/b&gt;&lt;/p&gt;&lt;div&gt;{{Version|0.34.11}}&lt;br /&gt;
&lt;br /&gt;
Les &amp;#039;&amp;#039;&amp;#039;couches de pierres sédimentaires&amp;#039;&amp;#039;&amp;#039; contiennent de l&amp;#039;[[Hématite (hématite)|hématite]], de la [[Magnétite (magnetite)|magnétite]], de la [[Tétraédrite (Tetrahedrite)|tétraédrite]], du [[Charbon bitumeux (bituminous coal)|charbon bitumeux]], de la [[Lignite (lignite)|lignite]] et du [[Gypse (gypsum)|gypse]].&lt;br /&gt;
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Les couches de [[Craie (Chalk)|craie]]*, [[Chaille (chert)|chaille]]**, [[Pierre Argileuse (claystone)|pierre argileuse]], [[Conglomérat (conglomerate)|conglomérat]], [[Dolomite (dolomite)|dolomite]]*, [[Calcaire (limestone)|calcaire]]*, [[Mudstone|mudstone]], [[Pierre de Sel (rock salt)|pierre de sel]], [[Grès (sandstone)|grès]]**, [[Siltstone|siltstone]] et [[Schiste Argileux (shale)|schiste argileux]] sont sédimentaires.&lt;br /&gt;
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:&amp;lt;sup&amp;gt;(* Celles-ci peuvent servir de [[Flux|flux]]. ** Celles-ci sont [[À l&amp;#039;épreuve du magma (magma-safe)|à l&amp;#039;épreuve du magma]].) &lt;br /&gt;
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Sedimentary layers are, on average, the most economically valuable of the four stone layers. They are your only source of bituminous coal and lignite, vital for fueling non-magma forges and for the coke steel-making requires (especially if you lack trees). They are much richer in iron ores than other rock formations. Several sedimentary rocks - dolomite, chalk, and limestone - are fluxes, required for steel-making and also being twice as valuable as normal stone, making them useful for trade goods or furniture.&lt;br /&gt;
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Sedimentary layers can be tricky to locate. If you are starting off and you want access to an embark area with sedimentary layers, use the &amp;quot;Find Desirable Location&amp;quot; function before embark and set your parameters to include sites with flux stone. Since most flux stones are found in sedimentary layers, this will increase your chances that a suitable site will have sedimentary rock near the surface. Be careful when using the &amp;quot;Find Desirable Location&amp;quot; function as it will sometimes list green sites that have flux stone but it will not indicate that it does, actually, have flux stone.&lt;br /&gt;
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(In real world geology, sedimentary stone is formed by sediment. The sediment collects in constantly growing heaps and the pressure at the bottom eventually forms the sediment into stone.)&lt;br /&gt;
Sedimentary layers&lt;br /&gt;
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    Sandstone&lt;br /&gt;
    Siltstone&lt;br /&gt;
    Mudstone&lt;br /&gt;
    Shale&lt;br /&gt;
    Claystone&lt;br /&gt;
    Rock salt&lt;br /&gt;
    Limestone&lt;br /&gt;
    Conglomerate&lt;br /&gt;
    Dolomite&lt;br /&gt;
    Chert&lt;br /&gt;
    Chalk &lt;br /&gt;
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Stone found in sedimentary layers&lt;br /&gt;
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    Hematite (veins)&lt;br /&gt;
    Limonite (veins)&lt;br /&gt;
    Bituminous coal (veins)&lt;br /&gt;
    Lignite (veins)&lt;br /&gt;
    Gypsum (large clusters)&lt;br /&gt;
    Jet (large clusters)&lt;br /&gt;
    Petrified wood (small clusters)&lt;br /&gt;
    Magnetite (large clusters)&lt;br /&gt;
    Bauxite (large clusters)&lt;br /&gt;
    Kaolinite (large clusters)&lt;br /&gt;
    Saltpeter (small clusters) &lt;br /&gt;
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Gems found in sedimentary layers&lt;br /&gt;
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    Onyx (small clusters)&lt;br /&gt;
    Schorl (small clusters)&lt;br /&gt;
    Lace agate (small clusters)&lt;br /&gt;
    Bloodstone (small clusters)&lt;br /&gt;
    Moss agate (small clusters)&lt;br /&gt;
    Chrysoprase (small clusters)&lt;br /&gt;
    Sard (small clusters)&lt;br /&gt;
    Carnelian (small clusters)&lt;br /&gt;
    Banded agate (small clusters)&lt;br /&gt;
    Sardonyx (small clusters)&lt;br /&gt;
    Tube agate (small clusters)&lt;br /&gt;
    Fire agate (small clusters)&lt;br /&gt;
    Plume agate (small clusters)&lt;br /&gt;
    Brown jasper (small clusters)&lt;br /&gt;
    Picture jasper (small clusters)&lt;br /&gt;
    Yellow jasper (small clusters)&lt;br /&gt;
    Tigereye (small clusters)&lt;br /&gt;
    Tiger iron (small clusters)&lt;br /&gt;
    Clear tourmaline (small clusters)&lt;br /&gt;
    Gray chalcedony (small clusters)&lt;br /&gt;
    Dendritic agate (small clusters)&lt;br /&gt;
    White chalcedony (small clusters)&lt;br /&gt;
    Fortification agate (small clusters)&lt;br /&gt;
    Aventurine (small clusters)&lt;br /&gt;
    Indigo tourmaline (small clusters)&lt;br /&gt;
    Green tourmaline (small clusters)&lt;br /&gt;
    Red tourmaline (small clusters)&lt;br /&gt;
    Pink tourmaline (small clusters)&lt;/div&gt;</summary>
		<author><name>Slimseig</name></author>
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