Ron H VernonRon H. Vernon is an Emeritus Professor of Geology at Macquarie University, Sydney. He has taught petrology to undergraduates for over forty years and has conducted workshops on rock microstructure for undergraduate and graduate students across the wold. He is also the author of Metamorphic Processes (1976), Beneath Our Feet (Cambridge, 2000) and Principles of Metamorphic Petrology (Cambridge, 2008, co-authored with Geoff Clarke). Read More Read Less