Come here to look for peer-reviewed articles explaining the initiation and propagation of polygonal fault systems.
Andy St-Onge, Ph.D. (geophysics), MBA
Come here to look for peer-reviewed articles explaining the initiation and propagation of polygonal fault systems.
Andy St-Onge, Ph.D. (geophysics), MBA
Andy St-Onge is an exploration geophysicist based in Calgary, Alberta, Canada. For the last ten years, he has been researching polygonal fault systems, areas of pervasive faulting and fracturing, using seismic data and geological modeling. Now, it is time to report some of the interpretations.
The paper entitled: "A Late Cretaceous polygonal fault system in central North America" shows many characteristics of the pervasive faulting in Upper Cretaceous strata across central North America.
This paper shows that late downward faulting in the Lower Cretaceous Westgate Formation strata can cause enhanced fracturing in the Turonian Second white Speckled Shale Formation, a potential hydrocarbon reservoir.
Research is in review, including:
Indurated Pierre Shale outcropping at the Manitoba Escarpment; fault with ~ 0.75 m of offset.
Oahe Dam, South Dakota. The white areas left of the spillway are slumps in the Pierre Shale at the surface. The rock is weak here.
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Calgary, Alberta, Canada
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