Ms. Nelson - Smith is a recent graduate of the University of British Columbia Okanagan. While working with HEG & Associates as a student, Deidre took on the complex task of identifying unknown lithological units that were extremely altered by sericite; destroying any primary textures within the porphyritic environment. Using a combination of petrographic and scanning electron microscope (SEM) studies, Ms. Nelson-Smith was able to define a relationship between certain alteration assemblages within Au – Cu porphyry systems; a critical tool in exploration vectoring.