The Trethewey Mine is an abandoned

silver mine Silver mining is the extraction of silver from minerals, starting with mining. Because silver is often found in intimate combination with other metals, its extraction requires elaborate technologies. In 2008, ca.25,900 metric tons were consumed ...

Cobalt Cobalt is a chemical element with the symbol Co and atomic number 27. As with nickel, cobalt is found in the Earth's crust only in a chemically combined form, save for small deposits found in alloys of natural meteoric iron. The free element, p ...

Ontario Ontario ( ; ) is one of the thirteen provinces and territories of Canada.Ontario is located in the geographic eastern half of Canada, but it has historically and politically been considered to be part of Central Canada. Located in Central C ...

Canada Canada is a country in North America. Its ten provinces and three territories extend from the Atlantic Ocean to the Pacific Ocean and northward into the Arctic Ocean, covering over , making it the world's second-largest country by tot ...

, located northwest of the Coniagas Mine near Sasaginaga Lake.Tailings of the Cobalt Area
/ref> The mine was discovered in May 1903 by William Griffith Trethewey.

References

External links

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Tretheway Mine, Cobalt, Coleman Township, Timiskaming District, Ontario, Canada
Silver mines in Canada Mines in Cobalt, Ontario Former mines in Ontario {{Mine-stub