<?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.D. Knight</dc:contributor>
  <dc:contributor>C. J. Orth</dc:contributor>
  <dc:contributor>C. L. Pillmore</dc:contributor>
  <dc:contributor>R.H. Tschudy</dc:contributor>
  <dc:creator>J. S. Gilmore</dc:creator>
  <dc:date>1984</dc:date>
  <dc:description>At the fossil-pollen-defined Cretaceous-Tertiary boundary in the Raton Basin of New Mexico and Colorado, an iridium abundance anomaly and excess scandium, titanium, and chromium are associated with a thin ash or dust fallout bed (now kaolinitic clay) that was preserved in freshwater coal swamps. ?? 1984 Nature Publishing Group.</dc:description>
  <dc:format>application/pdf</dc:format>
  <dc:identifier>10.1038/307224a0</dc:identifier>
  <dc:language>en</dc:language>
  <dc:title>Trace element patterns at a non-marine cretaceous-tertiary boundary</dc:title>
  <dc:type>article</dc:type>
</oai_dc:dc>