Reactivated fault systems and their effects on outcrop patterns of thin-skinned early thrust imbrications in the Kiggavik uranium camp, Nunavut: M183-2/7895E-PDF

"Intersecting faults in the northeast Thelon Basin region were investigated under the Geomapping for Energy and Minerals Program in order to understand their effects on outcrop patterns, and their potential spatial relationships to uranium (U) deposits. Existing and new data were compiled and interpreted to produce maps that respect all observations. An important structural complex that existed long before the reactivated faults and filling of the Thelon Basin is a stack of repeated a) greywacke, b) rhyolite and c) quartzite that overlies a number of uranium deposits and prospects. This near-horizontal stack was broken into small segments by intersecting near-vertical reactivated faults, resulting in discontinuous outcrops that line up poorly. The stack formed an impermeable layer but the cross cutting faults, especially their intersections, created zones down which hot water could have easily flowed to produce the deep accumulations of U oxide minerals"--Summary provided by publisher.

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Department/Agency Natural Resources Canada.
Title Reactivated fault systems and their effects on outcrop patterns of thin-skinned early thrust imbrications in the Kiggavik uranium camp, Nunavut
Series Title Geological Survey of Canada, open file ;
Publication Type Series - View Master Record
Language [English]
Format Electronic
Electronic Document

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Date 2017.
Number of Pages 1 p. :
Catalogue Number
  • M183-2/7895E-PDF
Departmental Catalogue Number 302776
Subject Terms Structural geology, Geophysics, Minerals, Geological maps