The country's largest state, home to the resource-rich Pilbara region, cancelled plans to reopen its borders on Feb. 5 due to health risks from the Omicron coronavirus variant.
Teck Resources is the latest company to explore the use of blockchain technology to track material through the supply chain, from production to final product.
Argentina, where interventionist policies have held back the industry, is becoming a more attractive setting for foreign investors, at least in some of its mineral-rich provinces.