As Donner, its principal project was a 35-65 joint venture with Glencore Xstrata (the operator and 65% interest holder) in Matagami, Quebec.

[6] In February 2009, Genivar Engineering was contracted to compile and release a National Instrument 43-101 compliant resource estimate of 3,623,000 tonnes at 11.52% zinc, 1.60% copper, 31.55 g/t silver and 0.49 g/t gold.

In an official public statement Xstrata News Room July 9, 2010 made at 11:30am (EST) in Matagami, Xstrata Zinc announced this exciting next step for the Matagami Mining Camp and credited the success of the combined Xstrata-Donner exploration team that made the discovery of this deposit.

CTV News reported that Xstrata Zinc Canada is going ahead with a new base metals mine in northwestern Quebec that will create about 250 jobs.

[12] In November 2010, Donner and Xstrata accepted the Development of the Year award from the Quebec Mineral Exploration Association.