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      <marc:subfield code="a">Gravity gradiometer survey of the Rivière au Chien Rouge area, Quebec, parts of NTS 24-K, L, M, and N = </marc:subfield>
      <marc:subfield code="b">Levé gradio-gravimétrique de la région de la Rivière au Chien Rouge, Québec, parties des SNRC 24-K, L, M et N.</marc:subfield>
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    <marc:datafield tag="246" ind1="1" ind2="1">
      <marc:subfield code="a">Levé gradio-gravimétrique de la région de la Rivière au Chien Rouge, Québec, parties des SNRC 24-K, L, M et N</marc:subfield>
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      <marc:subfield code="a">Scale: 1:125,000 ; </marc:subfield>
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      <marc:subfield code="c">(W 70°45'00"--W 69°15'00"/N 59°30'00"--N 58°49'60").</marc:subfield>
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    <marc:datafield tag="264" ind1=" " ind2="1">
      <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">2024.</marc:subfield>
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      <marc:subfield code="c">©2024</marc:subfield>
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      <marc:subfield code="a">1 online resource (11 maps) : </marc:subfield>
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      <marc:subfield code="a">online resource</marc:subfield>
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      <marc:subfield code="a">Open file = </marc:subfield>
      <marc:subfield code="a">Dossier public ; </marc:subfield>
      <marc:subfield code="v">9199</marc:subfield>
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      <marc:subfield code="a">Includes bibliographical references.</marc:subfield>
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      <marc:subfield code="a">Sheet 1: Vertical Component of Gravity gD -- Sheet 2: Gravity Gradient Component gNN -- Sheet 3: Gravity Gradient Component gNE -- Sheet 4: Gravity Gradient Component gND -- Sheet 5: Gravity Gradient Component gEE -- Sheet 6: Gravity Gradient Component gED -- Sheet 7: Gravity Gradient Component gDD -- Sheet 8: Residual Total Magnetic Field -- Sheet 9: First Vertical Derivative of the Magnetic Field -- Sheet 10: Gravity Interpretation -- Sheet 11: Magnetic Interpretation.</marc:subfield>
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      <marc:subfield code="a">"Gravity gradiometer and magnetic surveys measure the variation of the earth's gravitational and magnetic fields. The gravity and magnetic fields were measured at a height of 114 m above the ground in parallel lines spaced at 500 m across the survey area. The gravity and magnetic fields reflect density and magnetic susceptibility of bedrock and provide qualitative and quantitative information used in geological mapping. Understanding the geology will help geologists map the area, assist mineral/hydrocarbon exploration activities, and provide useful and necessary information for communities, indigenous associations, and governments to make land use decisions. This survey was flown to improve our knowledge of the area and it will support ongoing geological mapping and resource assessment"--Description, provided by the publisher.</marc:subfield>
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      <marc:subfield code="a">Text in English and French.</marc:subfield>
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      <marc:subfield code="a">Geological mapping</marc:subfield>
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      <marc:subfield code="a">Magnetic prospecting</marc:subfield>
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      <marc:subfield code="v">Maps.</marc:subfield>
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      <marc:subfield code="a">Geological Survey of Canada, </marc:subfield>
      <marc:subfield code="e">issuing body.</marc:subfield>
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      <marc:subfield code="t">Gravity gradiometer survey of the Rivière au Chien Rouge area, Quebec, parts of NTS 24-K, L, M, and N = </marc:subfield>
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      <marc:subfield code="z">Sheet 1</marc:subfield>
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      <marc:subfield code="z">Sheet 2</marc:subfield>
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      <marc:subfield code="z">Sheet 3</marc:subfield>
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      <marc:subfield code="z">Sheet 4</marc:subfield>
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      <marc:subfield code="z">Sheet 5</marc:subfield>
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      <marc:subfield code="z">Sheet 6</marc:subfield>
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      <marc:subfield code="z">Sheet 7</marc:subfield>
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      <marc:subfield code="z">Sheet 8</marc:subfield>
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      <marc:subfield code="z">Sheet 9</marc:subfield>
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      <marc:subfield code="s">30.0 MB</marc:subfield>
      <marc:subfield code="u">https://publications.gc.ca/collections/collection_2025/rncan-nrcan/m183-2/M183-2-9199-10.pdf</marc:subfield>
      <marc:subfield code="z">Sheet 10</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/M183-2-9199-11.pdf</marc:subfield>
      <marc:subfield code="z">Sheet 11</marc:subfield>
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      <marc:subfield code="q">HTML</marc:subfield>
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      <marc:subfield code="u">https://doi.org/10.4095/p0crh4kjhr</marc:subfield>
      <marc:subfield code="z">GEOSCAN DOI</marc:subfield>
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