Proactive Investors Interview with Julian Hanna, page-12

Further examples today of just how expensive it’s becoming to mine the big porphyry deposits in the Andes. $1.3bn to get an additional 60ktpa Cu over 15 years. And that’s a brownfield expansion. About 2x the production of T3 and around 7x the capex. Including a desal plant needed on the coast and pipeline to pump the water up to the Andes. Further brings home the comments JH was making in this presentation around infrastructure, location and welcoming jurisdiction.

https://www.miningglobal.com/operat...l-13bn-expansion-los-pelambres-copper-project

http://www.antofagasta.co.uk/investors/news/2019/completion-of-los-pelambres-expansion-financing/