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11 records found
  • Federal

    Regional, lithological and temporal variation in the abundances of some trace...

    Samples of rocks during reconnaissance geological mapping by Geological Survey of Canada field parties have been used to estimate the average abundance of some trace elements in the surface crystalline rocks of the Canadian Shield. The preferred values are as follows, in ppm: Ni, 19; Cu, 26; Zn,...
    Organization:
    Natural Resources Canada
    Resource Formats:
    • ZIP
  • Federal

    River systems of Canada

    The map shows the location of rivers, glaciers and the six physiographic regions of Canada. Rivers serve as the natural drainage channels for surface waters. The network formed by river systems receives water from two main sources: runoff and base flow. Runoff is that part of precipitation which...
    Organization:
    Natural Resources Canada
    Resource Formats:
    • JPG
    • PDF
  • Federal

    Drift prospecting; geochemistry of eskers and till in permanently frozen terr...

    Geochemical results are reported for a program that compared samples collected from eskers and adjacent till in permanently frozen terrain. Contrasting effects of disturbance on the well- and poorly sorted sediments within the active (seasonally thawed) zone are discussed. Trace element...
    Organization:
    Natural Resources Canada
    Resource Formats:
    • ZIP
    • other
  • Federal

    Water quality networks

    The map shows the locations of water quality network stations operated by the federal Water Quality Branch, Department of Fisheries and the Environment, and the provincial Water Quality Branches of Quebec, Ontario, Saskatchewan, Alberta, and British Columbia. The federal and provincial monitoring...
    Organization:
    Natural Resources Canada
    Resource Formats:
    • JPG
    • PDF
  • Federal

    Surficial Hydrogeological Materials

    Surficial hydrogeological materials show the distribution of sediment deposited in glacially influenced environments. Most drinkable groundwater resources in Canada occur in shallow surficial-sediment aquifers. Surface sediments, such as gravel, sand, silt and clay, or mixed sediments, are an...
    Organization:
    Natural Resources Canada
    Resource Formats:
    • JP2
    • ZIP
    • other
  • Federal

    Groundwater observation wells

    The map shows the location of the six hydrogeological regions in Canada and the location of observation wells. The terrain composition is also shown on the map, which includes crystalline rocks, mixed crystalline rocks, folded sedimentary rocks and flat lying sedimentary rocks. The southern limit...
    Organization:
    Natural Resources Canada
    Resource Formats:
    • JPG
    • PDF
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