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Deformation And Fluid Interactions In The Mineral Fork Diamictites, Antelope Island, Utah, Kimberly Rose Johnson
Deformation And Fluid Interactions In The Mineral Fork Diamictites, Antelope Island, Utah, Kimberly Rose Johnson
Theses and Dissertations
ABSTRACT
DEFORMATION AND FLUID INTERACTIONS IN THE MINERAL FORK DIAMICTITES,
ANTELOPE ISLAND, UTAH
by
Kimberly R. Johnson
The University of Wisconsin-Milwaukee, 2013
Under the Supervision of Professor Dyanna Czeck
Diamictite from the Mineral Fork Formation on Antelope Island, Utah was deformed to various degrees on the footwall of the Willard Thrust Fault during the Sevier Orogeny. The diamictite contains clasts of differing strength resulting in quartzite clasts deformed the least, pink granitic clasts deformed to a greater degree, and softer green gneissic clasts deformed the most. The pink granitic and green gneissic clasts have similar compositions, but deform differently. This …