2 May 2023 presentation by Dr. Hervé Rezeau, Lundin Family Endowed Chair in Economic Geology, Dept Geosciences, University of Arizona. The 1-hour and 4-minute presentation comprises the body of the talk (48-minutes) followed by Q&A (16-minutes). A product of the Arizona Geological Society (AGS) (https://www.arizonageologicalsoc.org/). We thank Hexagon for providing the venue and recording this presentation. We thank the Rio Tinto Group for sponsoring this talk.