Melissa Giovanni

Parallel extension and compression in the Cordillera Blanca, Peru: Insights from basin analysis and thermochronology

Melissa Giovanni

Department of Geoscience
University of Nevada, Las Vegas

Wednesday, February 26th, 2014
CSL 422 – 12:00pm

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Map from Giovanni et al Tectonics 2010 The Cordillera Blanca is the highest mountain range in Peru and is bounded by an active, low-angle normal fault that is parallel to the active compressional structures in the sub-Andes. This fault has accommodated 12-15 km of slip, yet the initial timing and mechanisms for extension remain poorly constrained. Basin analysis and Ar/Ar thermochronology provide new insights into understanding coeval extension and compression.