<?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>D. F. Siems</dc:contributor>
  <dc:contributor>R. F. Sanzolone</dc:contributor>
  <dc:creator>Theodore Botinelly</dc:creator>
  <dc:date>1985</dc:date>
  <dc:description>&lt;p&gt;&lt;span&gt;Samples of massive sulfide layers show an enrichment in many minor and trace elements in the central part of layers. Comparison of trace element contents of massive sulfides, magnetite, and disseminated sulfides suggests differences in origin. Trace element contents of samples from various mines suggest regional variations.&lt;/span&gt;&lt;/p&gt;</dc:description>
  <dc:format>application/pdf</dc:format>
  <dc:identifier>10.2113/gsecongeo.80.8.2196</dc:identifier>
  <dc:language>en</dc:language>
  <dc:publisher>Society of Economic Geologists</dc:publisher>
  <dc:title>Trace elements in disseminated sulfides, magnetite, and massive sulfides, West Shasta district, California.</dc:title>
  <dc:type>article</dc:type>
</oai_dc:dc>