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      <marc:subfield code="a">Milidragovic, D., </marc:subfield>
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      <marc:subfield code="a">Geochemistry of Permian rocks of the Yukon-Tanana terrane, western Yukon :  </marc:subfield>
      <marc:subfield code="b">GEM 2 Cordillera project / </marc:subfield>
      <marc:subfield code="c">D. Milidragovic, J.J. Ryan, A. Zagorevski, S.J. Piercey.</marc:subfield>
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      <marc:subfield code="a">[Ottawa] : </marc:subfield>
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      <marc:subfield code="c">2016.</marc:subfield>
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      <marc:subfield code="c">©2016</marc:subfield>
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      <marc:subfield code="a">Includes bibliographical references (page 21).</marc:subfield>
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      <marc:subfield code="a">"The geochemical data in this report belong to rocks of the Permian age Klondike assemblage formed during Cycle 6, although some may belong to rocks of the earlier Cycle 5 (Klinkit). Klinkit cycle rocks formed during ca. 314-269 Ma (Pennsylvanian-Early Permian) arc and back-arc volcanism and related sedimentation. Klondike cycle rocks are interpreted to have formed from ca. 265-254 Ma in an arc setting, during westwarddipping subduction of Slide Mountain ocean crust and re-accretion of the Yukon-Tanana terrane to the North American western margin"--Introduction, page 3.</marc:subfield>
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      <marc:subfield code="a">Analytical geochemistry</marc:subfield>
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      <marc:subfield code="a">Géochimie analytique</marc:subfield>
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      <marc:subfield code="a">Geological Survey of Canada, </marc:subfield>
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