<?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>Robert L. Detterman</dc:contributor>
  <dc:contributor>Miles L. Silberman</dc:contributor>
  <dc:creator>Frederic H. Wilson</dc:creator>
  <dc:date>1978</dc:date>
  <dc:description>&lt;p&gt;Preliminary potassium-argon dating of intrusive rocks and altered zones in the Chignik and Sutwik Island quadrangles of the Alaska Peninsula seems to indicate at least three and possibly four Tertiary ages of alteration and mineralization.&lt;/p&gt;</dc:description>
  <dc:format>application/pdf</dc:format>
  <dc:identifier>10.3133/70180237</dc:identifier>
  <dc:language>en</dc:language>
  <dc:publisher>U.S. Government Printing Office</dc:publisher>
  <dc:title>New ages on intrusive rocks and altered zones in the Alaska Peninsula: A section in &lt;i&gt;The United States Geological Survey in Alaska: Accomplishments during 1977&lt;/i&gt;</dc:title>
  <dc:type>reports</dc:type>
</oai_dc:dc>