Dr. Georgia Pe-Piper is a Professor Emerita in the Department of Geology at Saint Mary's University, Halifax, Canada. She received her B.Sc. from the University of Athens, Greece, and Ph.D. from Cambridge University, England. Her early research was on igneous rocks of Greece and that interest has continued to the present. Her book on this topic is widely used in Greek universities. In Canada, she is known for her work on volcanic rocks offshore eastern Canada and on the igneous rocks of the Cobequid Highlands, Nova Scotia. Twenty years ago, she redirected her skills in mineralogy to the Scotian Basin, where she developed new methods to define the provenance and diagenesis of sandstone petroleum reservoirs and sedimentary basins in general. She continues to be interested in tracking the diagenetic evolution of sedimentary basins and fault zones through studies of minerals in veins and concretions.