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      <marc:subfield code="a">Gadd, M. G., </marc:subfield>
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      <marc:subfield code="a">Microanalytical geochemical analysis of texturally variable pyrite associated with mineralization and surrounding host rocks in the Howard’s Pass District, Selwyn Basin, Yukon / </marc:subfield>
      <marc:subfield code="c">Michael Gadd, Daniel Layton-Matthews, Suzanne Paradis and Jan Peter.</marc:subfield>
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      <marc:subfield code="a">[Ottawa] : </marc:subfield>
      <marc:subfield code="b">Geological Survey of Canada = Commission géologique du Canada, </marc:subfield>
      <marc:subfield code="c">2013.</marc:subfield>
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      <marc:subfield code="c">©2013</marc:subfield>
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      <marc:subfield code="a">Caption title.</marc:subfield>
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      <marc:subfield code="a">At head of title: Targeted geoscience intiative 4 : increasing deep exploration effectiveness.</marc:subfield>
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      <marc:subfield code="a">Includes bibliographical references.</marc:subfield>
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      <marc:subfield code="a">"This study aims at improving the current understanding of the controls on metal enrichment and distribution in the Zn-Pb sedimentary exhalative (SEDEX) deposits comprising the Howard’s Pass district (HPD; fig. 1). The trends and variations observed in the geochemical and mineral textural data will be used to identify horizons at which mineralizing events occurred, and to vector along those horizons towards concealed sedex deposits. The first part of this study is to characterize the trace and minor element geochemistry of pyrite"--Rationale and Purpose.</marc:subfield>
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      <marc:subfield code="a">Pyrites</marc:subfield>
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      <marc:subfield code="a">Analytical geochemistry</marc:subfield>
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      <marc:subfield code="a">Pyrite</marc:subfield>
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      <marc:subfield code="a">Géochimie analytique</marc:subfield>
      <marc:subfield code="z">Yukon.</marc:subfield>
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      <marc:subfield code="a">Geological Survey of Canada, </marc:subfield>
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      <marc:subfield code="u">https://publications.gc.ca/collections/collection_2025/rncan-nrcan/m183-2/M183-2-7353-eng.pdf</marc:subfield>
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      <marc:subfield code="u">https://doi.org/10.4095/292483</marc:subfield>
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