Extraction 2018 Proceedings of the First Global Conference on Extractive Metallurgy - Davis, Boyd R.; Davis, Boyd R.; Moats, Michael S.; Moats, Michael S.; Wang, Shijie; Wang, Shijie; Gregurek, Dean; Gregurek, Dean; Kapusta, Joël; Kapusta, Joël; Battle, Thomas P.; Battle, Thomas P.; et al. (Springer International Publishing : Imprint: Springer, 2018)