Developing Problem Based Laboratory Exercises in Igneous Petrology: No Place Like HomeLara Heisterand Charles LesherDepartment of Geology, University of California Davis, Davis CA 95616Undergraduate students enrolled in petrology courses are faced with a daunting task of learning how to collect basic petrographic information along with memorizing a substantial number of new terms and definitions prior to being able to comprehend petrogenetic processes. Teaching these fundamental skills can occupy a significant amount of laboratory time, leaving little opportunity for students to synthesize their observations or to connect their newfound insights to lecture concepts. We have developed new laboratory exercises for our igneous petrology class that introduce the students to igneous processes from the very first lab. In order to provide the students with a framework for learning new material, we base
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