Fosterville produced a record 90,618 ounces of gold, up 47% year-on-year and up 17% over the June quarter.
When adding production of 89,537oz from Kirkland Lake's Canadian operations, the September quarter yielded record group production of 180,155oz of gold, up 30% year-on-year and 9% quarter-on-quarter.
"Q3 2018 was a record quarter for both Fosterville in Australia and our Canadian operations as a whole," Kirkland Lake president and CEO Tony Makuch said.
"At Fosterville, we commissioned a second gravity circuit during Q3 2018 and saw an immediate spike in production, with the Fosterville mill processing over 18,000 ounces in the first week of the circuit's operation.
"This spike can largely be attributed to the gravity circuit's effectiveness in rec...