<?xml version="1.0" encoding="UTF-8"?><marc:collection xmlns:marc="http://www.loc.gov/MARC21/slim">
  <marc:record>
    <marc:leader>00000nam  2200000zi 4500</marc:leader>
    <marc:controlfield tag="001">9.900864</marc:controlfield>
    <marc:controlfield tag="003">CaOODSP</marc:controlfield>
    <marc:controlfield tag="005">20230131161140</marc:controlfield>
    <marc:controlfield tag="006">m     o  d f      </marc:controlfield>
    <marc:controlfield tag="007">cr mn|||||||||</marc:controlfield>
    <marc:controlfield tag="008">210617t20212021oncab   ob   f000 0 eng d</marc:controlfield>
    <marc:datafield tag="020" ind1=" " ind2=" ">
      <marc:subfield code="a">9780660392790</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="040" ind1=" " ind2=" ">
      <marc:subfield code="a">CaOODSP</marc:subfield>
      <marc:subfield code="b">eng</marc:subfield>
      <marc:subfield code="e">rda</marc:subfield>
      <marc:subfield code="c">CaOODSP</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="041" ind1="0" ind2=" ">
      <marc:subfield code="a">eng</marc:subfield>
      <marc:subfield code="b">eng</marc:subfield>
      <marc:subfield code="b">fre</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="043" ind1=" " ind2=" ">
      <marc:subfield code="a">n-cn---</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="086" ind1="1" ind2=" ">
      <marc:subfield code="a">M42-616E-PDF</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="245" ind1="0" ind2="0">
      <marc:subfield code="a">Targeted Geoscience Initiative 5 : </marc:subfield>
      <marc:subfield code="b">contributions to the understanding and exploration of porphyry deposits / </marc:subfield>
      <marc:subfield code="c">edited by A. Plouffe and E. Schetselaar.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="264" ind1=" " ind2="1">
      <marc:subfield code="a">Ottawa, Ontario : </marc:subfield>
      <marc:subfield code="b">Geological Survey of Canada, </marc:subfield>
      <marc:subfield code="c">2021.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="264" ind1=" " ind2="4">
      <marc:subfield code="c">©2021</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="300" ind1=" " ind2=" ">
      <marc:subfield code="a">1 online resource (223 pages) : </marc:subfield>
      <marc:subfield code="b">illustrations (chiefly colour), colour maps.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="336" ind1=" " ind2=" ">
      <marc:subfield code="a">text</marc:subfield>
      <marc:subfield code="b">txt</marc:subfield>
      <marc:subfield code="2">rdacontent</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="337" ind1=" " ind2=" ">
      <marc:subfield code="a">computer</marc:subfield>
      <marc:subfield code="b">c</marc:subfield>
      <marc:subfield code="2">rdamedia</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="338" ind1=" " ind2=" ">
      <marc:subfield code="a">online resource</marc:subfield>
      <marc:subfield code="b">cr</marc:subfield>
      <marc:subfield code="2">rdacarrier</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="490" ind1="1" ind2=" ">
      <marc:subfield code="a">Bulletin, </marc:subfield>
      <marc:subfield code="x">2560-7219 ; </marc:subfield>
      <marc:subfield code="v">616</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="504" ind1=" " ind2=" ">
      <marc:subfield code="a">Includes bibliographical references.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="520" ind1=" " ind2=" ">
      <marc:subfield code="a">"Porphyry deposits are high-volume, low-grade orebodies consisting of disseminated sulfide minerals genetically related to felsic to intermediate intrusions. Previous compilations have shown that they represent the world's largest source of copper, approximately half the source of the world's molybdenum, and contain significant quantities of gold, silver, tungsten, and tin. In Canada, porphyry deposits are dominantly present within the Cordillera of British Columbia and Yukon, and notable porphyry-style deposits occur in the southern Superior Craton and the Appalachian Orogen. … This Geological Survey of Canada (GSC) Bulletin contains 10 papers dedicated to advancing knowledge of the tectono-magmatic settings of porphyry-style mineralization and the development of new methods for their exploration. The research was conducted by the GSC and partner organizations under the auspices of the Government of Canada's Targeted Geoscience Initiative 5 (TGI-5) program, which aimed to develop new geoscience knowledge and techniques to facilitate the discovery of deep mineral deposits"--Summary, pages 1, 2.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="546" ind1=" " ind2=" ">
      <marc:subfield code="a">Includes summaries and abstracts in English and French.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="650" ind1=" " ind2="0">
      <marc:subfield code="a">Porphyry</marc:subfield>
      <marc:subfield code="z">Canada.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="650" ind1=" " ind2="0">
      <marc:subfield code="a">Ore deposits</marc:subfield>
      <marc:subfield code="z">Canada.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="650" ind1=" " ind2="0">
      <marc:subfield code="a">Geology, Structural</marc:subfield>
      <marc:subfield code="z">Canada.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="650" ind1=" " ind2="6">
      <marc:subfield code="a">Porphyre (Pétrologie)</marc:subfield>
      <marc:subfield code="z">Canada.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="650" ind1=" " ind2="6">
      <marc:subfield code="a">Gîtes minéraux</marc:subfield>
      <marc:subfield code="z">Canada.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="650" ind1=" " ind2="6">
      <marc:subfield code="a">Tectonique</marc:subfield>
      <marc:subfield code="z">Canada.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="700" ind1="1" ind2=" ">
      <marc:subfield code="a">Plouffe, Alain, </marc:subfield>
      <marc:subfield code="d">1963- </marc:subfield>
      <marc:subfield code="e">editor.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="700" ind1="1" ind2=" ">
      <marc:subfield code="a">Schetselaar, E. M., </marc:subfield>
      <marc:subfield code="e">editor.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="710" ind1="2" ind2=" ">
      <marc:subfield code="a">Geological Survey of Canada, </marc:subfield>
      <marc:subfield code="e">issuing body.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="830" ind1="#" ind2="0">
      <marc:subfield code="a">Bulletin (Geological Survey of Canada)</marc:subfield>
      <marc:subfield code="v">616.</marc:subfield>
      <marc:subfield code="w">(CaOODSP)9.504778</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="856" ind1="4" ind2="0">
      <marc:subfield code="q">PDF</marc:subfield>
      <marc:subfield code="s">118.19 MB</marc:subfield>
      <marc:subfield code="u">https://publications.gc.ca/collections/collection_2021/rncan-nrcan/M42-616-eng.pdf</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="856" ind1="4" ind2=" ">
      <marc:subfield code="q">HTML</marc:subfield>
      <marc:subfield code="s">N/A</marc:subfield>
      <marc:subfield code="u">https://doi.org/10.4095/327940</marc:subfield>
    </marc:datafield>
  </marc:record>
</marc:collection>
