<?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>David Gottfried</dc:contributor>
  <dc:contributor>Jack J. Rowe</dc:contributor>
  <dc:creator>Robert I. Tilling</dc:creator>
  <dc:date>1973</dc:date>
  <dc:description>&lt;p&gt;&lt;span&gt;Review of quantitative data, restricted range in gold content (rarely more than 10 ppb, generally below 5 ppb), mafic rocks have more, so do early crystallizing minerals, no use in exploration, factors other than concentration determine mineralization; examples&lt;/span&gt;&lt;/p&gt;</dc:description>
  <dc:format>application/pdf</dc:format>
  <dc:identifier>10.2113/gsecongeo.68.2.168</dc:identifier>
  <dc:language>en</dc:language>
  <dc:publisher>American Geological Institute</dc:publisher>
  <dc:title>Gold abundance in igneous rocks; bearing on gold mineralization</dc:title>
  <dc:type>article</dc:type>
</oai_dc:dc>