<?xml version='1.0' encoding='utf-8'?>
<oai_dc:dc xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:oai_dc="http://www.openarchives.org/OAI/2.0/oai_dc/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/oai_dc/ http://www.openarchives.org/OAI/2.0/oai_dc.xsd">
  <dc:contributor>J.C. Chandler</dc:contributor>
  <dc:creator>Irving A. Breger</dc:creator>
  <dc:date>1960</dc:date>
  <dc:description>&lt;p&gt;&lt;span class="ScopusTermHighlight"&gt;Coalified&lt;/span&gt;&lt;span&gt;&amp;nbsp;&lt;/span&gt;&lt;span class="ScopusTermHighlight"&gt;logs&lt;/span&gt;&lt;span&gt;&amp;nbsp;&lt;/span&gt;&lt;span class="ScopusTermHighlight"&gt;in&lt;/span&gt;&lt;span&gt;&amp;nbsp;Triassic and Jurassic&amp;nbsp;&lt;/span&gt;&lt;span class="ScopusTermHighlight"&gt;sediments&lt;/span&gt;&lt;span&gt;&amp;nbsp;of the&amp;nbsp;&lt;/span&gt;&lt;span class="ScopusTermHighlight"&gt;Colorado&lt;/span&gt;&lt;span&gt;&amp;nbsp;&lt;/span&gt;&lt;span class="ScopusTermHighlight"&gt;Plateau&lt;/span&gt;&lt;span&gt;&amp;nbsp;have been exposed to alkaline ground water. Extraction of&amp;nbsp;&lt;/span&gt;&lt;span class="ScopusTermHighlight"&gt;humic&lt;/span&gt;&lt;span&gt;&amp;nbsp;acids under such conditions is&amp;nbsp;&lt;/span&gt;&lt;span class="ScopusTermHighlight"&gt;temperature&lt;/span&gt;&lt;span&gt;&amp;nbsp;dependent. Study of residual&amp;nbsp;&lt;/span&gt;&lt;span class="ScopusTermHighlight"&gt;humic&lt;/span&gt;&lt;span&gt;&amp;nbsp;acids&amp;nbsp;&lt;/span&gt;&lt;span class="ScopusTermHighlight"&gt;in&lt;/span&gt;&lt;span&gt;&amp;nbsp;&lt;/span&gt;&lt;span class="ScopusTermHighlight"&gt;a&lt;/span&gt;&lt;span&gt;&amp;nbsp;suite of&amp;nbsp;&lt;/span&gt;&lt;span class="ScopusTermHighlight"&gt;coalified&lt;/span&gt;&lt;span&gt;&amp;nbsp;&lt;/span&gt;&lt;span class="ScopusTermHighlight"&gt;logs&lt;/span&gt;&lt;span&gt;&amp;nbsp;has indicated that&amp;nbsp;&lt;/span&gt;&lt;span class="ScopusTermHighlight"&gt;temperatures&lt;/span&gt;&lt;span&gt;&amp;nbsp;up to but not over 120° C prevailed&amp;nbsp;&lt;/span&gt;&lt;span class="ScopusTermHighlight"&gt;in&lt;/span&gt;&lt;span&gt;&amp;nbsp;the&amp;nbsp;&lt;/span&gt;&lt;span class="ScopusTermHighlight"&gt;sediments&lt;/span&gt;&lt;span&gt;. This maximum&amp;nbsp;&lt;/span&gt;&lt;span class="ScopusTermHighlight"&gt;temperature&lt;/span&gt;&lt;span&gt;&amp;nbsp;corresponds with that to be expected from geothermal gradient and estimated from mineralogic evidence.&lt;/span&gt;&lt;/p&gt;</dc:description>
  <dc:format>application/pdf</dc:format>
  <dc:identifier>10.2113/gsecongeo.55.5.1039</dc:identifier>
  <dc:language>en</dc:language>
  <dc:publisher>Society of Economic Geologists</dc:publisher>
  <dc:title>Extract ability of humic acid from coalified logs as a guide to temperatures in colorado plateau sediments</dc:title>
  <dc:type>article</dc:type>
</oai_dc:dc>