Abstract:

The Influence of Deep-Seated Slope Failures on the Evolution of the Cretaceous Hogback Encircling the Black Hills, South Dakota

Coupe, Brittany, South Dakota School of Mines and Technology, Brittany.coupe@mines.sdsmt.edu; Kurt Katzenstein, Kurt.Katzenstein@sdsmt.edu (Poster)

This ongoing study investigates the role played by deep-seated slope failures on the evolution of the Cretaceous hogback ridge encircling the Black Hills in South Dakota. Of particular interest is the role played by the thickness of exposed shale units in the lower portion of the hogback on stability and the resulting evolution of the hogback. Several hogback slopes exposed on the east side of the Black Hills have been characterized geotechnically and evaluated to determine how existing and more extreme hypothetical geologic/geotechnical conditions affect the global stability of the ridge. Also assessed is the difference in modeled stability on similar profiles using both 10-meter and new 1-meter DEM data to generate slope profiles.

Bio:

I currently reside in Rapid City, SD where I attend South Dakota Mines for a graduate degree in geological engineering with an emphasis on geomechanics. My bachelor’s degree is also from South Dakota Mines in geological engineering.

My previous work experience has included Engineering Technician Intern for American Engineering and Testing Inc in Dickinson, SD, Mining Engineering Intern for Coeur Mining in Lead, SD, Undergraduate Research Assistant for the Civil Engineering Department at South Dakota Mines, and Geomechanical Engineer Intern for Freeport McMoRan in Climax, CO.

A few of my favorite hobbies I enjoy are bouldering at the local rock climbing gym, hiking and camping in the Black Hills with my significant other, expanding my never ending rock collection, cooking Mexican food, and snuggling my cats Midge and Wayne.

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