Kidd Mine, Kidd Township, Timmins area, Ontario
Kidd Mine is an underground copper, zinc, and silver mine in Ontario, Canada, located about 15 miles north of Timmins. It extends more than 3,000 meters below the surface and ranks among the world's deepest base metal operations with extensive tunnel networks and modern extraction equipment.
The mine was discovered in 1959 and mining operations began in 1966, initially as an open pit before converting to underground extraction. Major expansion occurred in 2008 to develop deeper ore zones, significantly extending the operation's lifespan and deepening its shaft infrastructure.
The mine's name reflects its connection to the region where it operates and represents the deep ties between mining and the local community. Underground work shapes daily life in Timmins, and many families have traditions tied to employment at or near the site.
The mine sits in a remote forest area and is not regularly open to the public, as it is an active mining operation with strict safety protocols. Access is restricted and requires special permission, though the surface grounds provide a sense of the operation's scale and industrial nature.
The mine contains some of the world's oldest water trapped in rock, with samples dating back about a billion years discovered in 2020. These ancient water samples provide scientists with rare insights into Earth's geological history and the long presence of water deep underground.
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