Slow-going
Delineating the east-west trending South zone from the existing mine workings was slow-going, but the results were spectacular, with one hole returning 2.3 ounces of gold per ton over 90.4 feet and another returning 1.43 ounces over 124.5 feet – two of the best holes in the history of the camp, noted Sutton.
“We had been drilling these really, really long holes - 2,000 to 3,000 footers - with these electric-hydraulic machines and they were taking up to a month to complete,” said Carmichael. “The zones were getting larger, but it was like pulling teeth. We knew we had something substantial out there, so my suggestion was to get out there as fast as we could and bring in smaller air machines.”
The board approved the excavation of a cross cut on 53 Level out toward the South zone and by May 2006, the drift extended out to a distance of 1,452 feet. Holes were being drilled at a rate of two per week, and proven and probable reserves ballooned to more than one million ounces, a threefold increase since December 2002.
“We don’t know how big it’s going to get,” said Sutton. “It’s going to make a big difference to Kirkland Lake, and that’s the important thing. A lot of years of production are going to come out of this.”
The recent success in Kirkland Lake reinforces the notion that the best place to look for a new orebody is in the shadow of an existing headframe, he remarked. Equally significant is the fact that it was a junior mining company that made it all possible.
“Some fairly big companies (including Barrick, Lac Minerals and Kinross) owned the camp over time, but it took a junior to make theses new discoveries - a couple of guys with a lot of faith and money to invest in a few good theories.
"Harry Dobson and Brian Hinchcliffe bankrolled this company from the start. They participated in all the financings with their own money. It’s guys like that who made Northern Ontario and Northern Canada the way it is,” said Sutton.
Luck
A bit of luck and a supportive community are equally important factors in making a big discovery, he added.
“We were drilling in people’s backyards around the clock right in town and nobody complained. I don’t think you’d find that in other countries.
“Last but not least, you need an openness to new ideas. It doesn’t matter if it’s diamonds in Archean conglomerates or the new ideas that FNX brought along. In our case, we had north-south structures nobody would have thought to look for. You have to dispel the idea that things are all mined out. If Red Lake and Kirkland Lake are any example, it bodes well for all of the other mining towns.”
Wright Hargreaves, Lakeshore, Teck- Hughes, Kirkland Minerals and Macassa (all part of thee Kirkland Lake land package) together produced some 22 million ounces of gold over 80 plus years of mining. Including properties to the east along the Larder Lake Break, the region as a whole qualifies as Canada’s second most prolific historical gold mining camp, accounting for total gold production of approximately 40 million ounces. With the 1999 closure of Macassa - the town’s last operating mine - the demise of a once proud community seemed inevitable.
Today, Kirkland Lake Gold is producing 60,000 ounces a year and plans to step up production to 150,000 ounces. With 16 new mineralized zones discovered by Sutton, Carmichael and their team of young geologists, and no sign of any slackening, the Kirkland Lake story has more than a few chapters left to be written.