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Kinematics And Timing Of Superposed Deformation In The Funeral Mountains Metamorphic Core Complex, Death Valley, Ca, Katrina Marie Sauer
Kinematics And Timing Of Superposed Deformation In The Funeral Mountains Metamorphic Core Complex, Death Valley, Ca, Katrina Marie Sauer
UNLV Theses, Dissertations, Professional Papers, and Capstones
The Funeral Mountains metamorphic core complex (FMMCC) in Death Valley, California exposes middle to lower crustal rocks of the Sevier-Laramide orogen in the footwall of the Miocene Boundary Canyon detachment. The structurally deepest rocks in the FMMCC are exposed in Monarch Canyon, where the Meso- to Neoproterozoic metasedimentary rocks record upper amphibolite facies metamorphism with migmatites developed at the deepest levels. Distributed ductile deformation and stratigraphically-localized high-strain zones, termed intracore shear zones, are responsible for attenuation and local stratigraphic omission during top-northwest non-coaxial deformation. The structurally deepest Monarch Spring shear zone (MSSZ) juxtaposes the migmatitic paragneisses below against greenschist to …