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Marathon

On its acquisition of Stillwater Mining Company (SWC) in May 2017, Sibanye-Stillwater has acquired exploration-stage properties at the Marathon PGM-copper project adjacent to Lake Superior in northern Ontario. SWC originally acquired the property in 2010.

The Marathon properties are located 10km north of the town of Marathon, Ontario, on the eastern margin of the Coldwell Complex, a Proterozoic layered intrusion, near the northern shore of Lake Superior. The palladium, platinum and copper mineralisation occurs principally in the Two Duck Lake gabbro. The known zones of significant mineralisation have a total north-south strike length of approximately 3km and dip 30° to 40° toward the west. The mineralisation has a true thickness ranging from 4m to 100m.

Limited exploration is currently underway. A modest drill programme is aimed at testing a number of exploration targets. In 2016, $0.4 million was spent at Marathon, primarily for the updating of the project feasibility study.

Marathon includes 82 mining claims and 43 crown leases covering the more prospective portions of the Port Coldwell Intrusive Complex. Baseline environmental monitoring activities continue.