Outcropping and remotely predicted lineaments, faults, fractures, and dykes in the Kiggavik uranium camp, Nunavut: M183-2/7896E-PDF

"Reactivated faults and their intersections are key exploration criteria for unconformity associated uranium (U) deposits. This poster shows how lineament data were generated and compiled over the Kiggavik uranium (U) camp, Nunavut, as part of a larger goal to understand fault reactivation in and around the northeastern Thelon Basin. The remote predictive maps presented here show lineaments at various scales, from regional scale through to camp scale to highly detailed. We show how the fractal range of lineament scales can be connected to and calibrated from detailed outcrop exposures. Lineaments were added to the compilation based on single prominent, or two or more moderate but coincident, straight features and/or offsets of other linear features, such as: broad to narrow demagnetized zones, stepped changes from higher to lower aeromagnetic intensity, linear magnetic highs associated with dykes filling these faults, straight sections of streams, lake-shores and swamps, linear steps in elevation, and geological contacts. The orientations of parallel swarms of lineaments are used to assign lineaments to classes of structures consistent with Riedel shear stress models. The lineaments are interpreted as faults, fractures and shear zones that resulted from a long, episodic Proterozoic deformation history, presented herein abbreviated form. The structural geological rationales for linking the stress models to successive tectonic events are developed with outcrop examples in the simultaneously released Open File 7895"--Abstract.

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Department/Agency Natural Resources Canada.
Title Outcropping and remotely predicted lineaments, faults, fractures, and dykes 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
  • M183-2/7896E-PDF
Departmental Catalogue Number 302776
Subject Terms Structural geology, Geophysics, Minerals, Geological maps