The World Bank is creating a dedicated emergency relief fund for the estimated 40 million artisanal and small-scale miners worldwide.
Lualaba registered its first two positive covid-19 tests this week.
Chuquicamata is the first major copper asset to close due to the sharp spike of coronavirus cases in Chile.
Four of the 11 charges brought against Codelco are serious, potentially leading to fines of up to $15 million.
A program of 80 holes totalling about 22,000 metres is expected to be completed by year-end.
The company's International underground diamond mine will be closed for up to two weeks.
Industry is spearheading a lobbying effort to protect a $160 billion pandemic tax break after Democrats largely repealed the provisions.
While the proposed legislation embodies significant changes on paper, they will do little to prevent miners in practice from getting their way.