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      <marc:subfield code="a">Gadd, M. G., </marc:subfield>
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      <marc:subfield code="a">Lithogeochemistry and structural geology of middle Cretaceous ironstones and shales of the Rapid Creek formation, Northwest Territories / </marc:subfield>
      <marc:subfield code="c">M.G. Gadd, M.A. Reynolds, P. Pufahl, and E. Tessier.</marc:subfield>
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      <marc:subfield code="c">2024.</marc:subfield>
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      <marc:subfield code="c">©2024</marc:subfield>
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      <marc:subfield code="a">Geological Survey of Canada open file, </marc:subfield>
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      <marc:subfield code="a">Includes bibliographical references.</marc:subfield>
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      <marc:subfield code="a">"This report provides geochemical and structural data for iron-rich sedimentary rocks located in the eastern Richardson Mountains in Northwest Territories. The work was completed in July 2023 under the GEM-GeoNorth program. The following are included within: 1) brief overviews of the local geology; 2) an updated map with new geological observations; 3) geochemical data; 4) structural measurements; and 5) annotated field photographs"--Supplied from publisher.</marc:subfield>
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      <marc:subfield code="a">Sedimentary rocks</marc:subfield>
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      <marc:subfield code="a">Geological Survey of Canada, </marc:subfield>
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      <marc:subfield code="a">Open file (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/M183-2-9193-eng.pdf</marc:subfield>
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      <marc:subfield code="q">PDF</marc:subfield>
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      <marc:subfield code="u">https://publications.gc.ca/collections/collection_2025/rncan-nrcan/m183-2/M183-2-9193A-eng.pdf</marc:subfield>
      <marc:subfield code="z">Appendix A. Geological map</marc:subfield>
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      <marc:subfield code="u">https://publications.gc.ca/collections/collection_2025/rncan-nrcan/m183-2/M183-2-9193B-eng.pdf</marc:subfield>
      <marc:subfield code="z">Appendix B. Actlabs geochemistry report</marc:subfield>
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      <marc:subfield code="u">https://publications.gc.ca/collections/collection_2025/rncan-nrcan/m183-2/M183-2-9193E-eng.pdf</marc:subfield>
      <marc:subfield code="z">[Appendix E. Annotated photographs illustrating key structural relationships]</marc:subfield>
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