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Polyphase Metamorphism and Deformation

The course studies the combined metamorphic and structural changes in rocks during orogenesis. The aim of the course is to integrate concepts learned in third year metamorphic and structural courses to better understand the transformation in the structure, texture and mineralogy of rocks after depositions. During the first half of the course, students will be introduced to the concept of vorticity during rock flow, the development of structures in high strain zones of monoclinic and triclinic symmetry, the interpretation of textural relationships between microstructures and metamorphic minerals, and the analysis of porphyroblast-matrix relations. During the second half of the course, students will learn how to analyze the metamorphic and deformation history of rocks, construct petrogenetic grids, calculate metamorphic temperatures and pressures using experimental and thermodynamic data, and interpret pressure-temperature-deformation-time paths. Laboratory work will include petrographic case studies of deformed and metamorphosed suites of rocks from different tectonic environments and a field project within the Sudbury area. PREREQ: GEOL 3207 and GEOL 3306. (lec 3, lab 3) cr 3.

Earth Sciences