The Abitibi greenstone belt, one of the world's largest Archean greenstone belts, is a 2,800-2,600 million year old belt spanning the Ontario-Quebec border in Canada, approx. 650 km long by 150 km wide extending from west of Timmins, Ont., to Chibougamau, Que., in the northeast. It is mostly made of volcanic rocks, but also includes ultramafic rocks, mafic intrusions, granitoid rocks, and early and middle Precambrian sediments.
The "Timmins Camp" is located on the western portion of the Abitibi has produced over 70,000,000 ounces of gold since first discoveries 100 years ago.
North west of Timmins, Detour Gold have commenced a large scale open pit mine at Detour Lake with reserves of 15.6 million ounces gold. The original underground mine was operated by Placer Dome and produced 1.8 million ounces of gold from 1983 to 1999.
The areas south and west of Timmins are the locations of new discoveries, extensive expansion of historical discoveries and the development of new mines.
Timmins West Complex - Operating Mine - Lakeshore Gold
Cote Lake - Development Stage Project - IAMGold
Young Davidson - Operating Mine - AuRico Gold
Borden Lake - Advanced Stage Project - Probe Mines
Kirkland Lake - Development Stage Project - Osisko Mines
In Timmins Gold Corp Inc. are combining various famous mines to create a new project.
Hollinger Project - Combination of former operations of the Dome, Hollinger Mine, Pamour and Hoyle Pond Mines