That kind of happens to a company when a mine that accounts for 30% of its gold output, 85% of its copper output, and some 60% of group earnings, gets knocked out of action for an indefinite period, yet again.

It's a case of yet again for Cadia as in April last year a large seismic event (4.3 magnitude) knocked out production from one of the underground panel caves for three months, and the other panel cave for four months.

...