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Communication Dans Un Congrès Année : 2019

Methaniferous active faults and seismic cycle in the genesis of the Athabasca giant U deposits: conceptual and numerical investigation

Résumé

The reduction process of uranyles and the graphitic faults dynamics are still unconstrained in the formation of giant unconformity-related uranium deposit of Athabasca. Previous and new data on graphitc faults and mineralization are suggestive of paleo-seismicity, possibly during the mineralizing event. Highlighted by data from current active methaniferous fault, we proposed a new model based on seismic cycle for that mineralization, implying seismic pumping, methane production and discharge. Numerical modeling shows that consequences are of first order on paleo-hydrodynamics.
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Dates et versions

insu-02281695 , version 1 (09-09-2019)

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  • HAL Id : insu-02281695 , version 1

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Yannick Branquet, Philippe Boulvais, Julien Mercadier, Patrick Ledru, Charles Khairallah. Methaniferous active faults and seismic cycle in the genesis of the Athabasca giant U deposits: conceptual and numerical investigation. 15th Biennial Meeting of the Society for Geology Applied to Mineral Deposits, Aug 2019, Glasgow, United Kingdom. ⟨insu-02281695⟩
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