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Glacial dispersal trains in North America

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  • Don I. Cummings
  • Hazen A. J. Russell

Abstract

A map depicting glacial dispersal trains in North America has been compiled from published sources. It covers the Canadian Shield, the Arctic Islands, the Cordillera and Appalachian mountains, and Phanerozoic sedimentary basins south of the Shield. In total, 140 trains are portrayed, including those emanating from major mineral-deposit types (e.g. gold, base metal, diamondiferous kimberlite, etc.). The map took 10 years of on-and-off work to generate, and it culls data from over 150 years of work by government, industry, and academia. It provides a new tool to help companies find ore deposits in Canada: the trains are generally a better predictor of dispersal distance and direction than striations and streamlined landforms, the data typically depicted on surficial-geology maps, including the Glacial Map of Canada. It also gives new insight into sedimentation patterns and processes beneath ice sheets, a sedimentary environment that, because of its inaccessibility, remains poorly understood and controversial.

Suggested Citation

  • Don I. Cummings & Hazen A. J. Russell, 2018. "Glacial dispersal trains in North America," Journal of Maps, Taylor & Francis Journals, vol. 14(2), pages 476-485, November.
    • Handle: RePEc:taf:tjomxx:v:14:y:2018:i:2:p:476-485
    DOI: 10.1080/17445647.2018.1478752
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    Cited by:

    1. Willows, Gizelle D. & October, Charnè, 2023. "Perceptions of retirement savings: Through the lens of Black amaXhosa women in South Africa," CRITICAL PERSPECTIVES ON ACCOUNTING, Elsevier, vol. 90(C).
    2. Iwona Oleniuch, 2021. "Employees' Perception of the Difficulties of Work at Home from the Perspective of their Experience on Remote Working," European Research Studies Journal, European Research Studies Journal, vol. 0(4), pages 781-796.
    3. Du, Manqing & Zhang, Tingru & Liu, Jinting & Xu, Zhigang & Liu, Peng, 2022. "Rumors in the air? Exploring public misconceptions about automated vehicles," Transportation Research Part A: Policy and Practice, Elsevier, vol. 156(C), pages 237-252.
    4. Liu, Peng, 2020. "Positive, negative, ambivalent, or indifferent? Exploring the structure of public attitudes toward self-driving vehicles on public roads," Transportation Research Part A: Policy and Practice, Elsevier, vol. 142(C), pages 27-38.

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