“…Cobalt is rarely found to be metallogenically independent of other metals and is mostly produced as a byproduct of the mining of copper, nickel, iron and other minerals. Common ore‐forming element combinations are Ni–Co (e.g., Berong, Philippines, Tupaz et al, 2020), Cu–Ni–Co (e.g., Sudbury, Canada, Naldrett, 2004; Voisey's Bay, Canada, Barnes et al, 2017), Cu–Co (e.g., Zambian Cu–Co belt, Sillitoe et al, 2017), (Cu)–Co–Fe (e.g., Shilu Fe–Co–Cu deposit, China, Yu et al, 2014), and Cu–Co–Zn (e.g., Pusangguo Co‐bearing Cu–Pb–Zn deposit, M. Li et al, 2020). On a global scale, Co–Au deposits (e.g., Tuolugou, China, C. Y. Feng et al, 2006) and Co–Au–Cu deposits (Werner Lake, Canada, Pan & Therens, 2000; Slack, 2013; Slack et al, 2017; Carlow Castle, Australia, Fox et al, 2019; Kalagailei, China, Ge et al, 2013) are relatively rare.…”