Underground mining rates at the Westralia underground operation were 1400 tonnes per day, still off from the expected steady state rates of 3000tpd.
That ore came from the Beresford South mine area only.
Stoping and ore development activities there each contributed about 50% of the total ore mined.
Ore development is due to start at Beresford North later this month.
Decline development at Westralia's third underground decline at Allanson has started with stoping activities on track to begin in early 2019.
The underground production grade of 4.2 grams per tonne is also down on the ore reserve grade of 4.6gpt.
RUC Mining is the underground mining contractor at Mt Morgans.
Open pit ore mining rates in the Jupiter mine area are runn...