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Madawaska Mine (Faraday Mine), Faraday Township, Hastings Co., Ontario, Canada

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Latitude & Longitude (WGS84): 45° 1' 15'' North , 77° 55' 30'' West
Latitude & Longitude (decimal): 45.0208333333, -77.925

A former uranium mine that was discovered in late 1953 by diamond drilling. There was little surface expression of the ore body. The property is underlain by highly altered and strongly deformed Precambrian igneous and sedimentary rocks, predominantly paragneiss with minor amphibolite, gabbro, and locally recrystallized limestone.
The ore occurs in a granite pegmatite dyke system in mafic gneiss. The main ore mineral was uraninite which seldom formed crystals larger than 5mm.
Underground development was started in 1954 by Faraday Uranium Mines Ltd. Production started 1957 and ended in 1964 when contracts to sell uranium expired. Mining operations were resumed in 1975 by Madawaska Mines Ltd. The 444m (1,440 feet deep) shaft was deepened to 473m (1,537 feet). Production began in 1976 and lasted until 1982. Other workings underground include a 50m shaft and three adits. 2,544,716 tons of ore were produced, averaging .1074% U3O8.

The ilmenite/magnetite occurrence has been moved to a separate locality because, although specimens are often labeled as being from the mine, the occurrence is actually elsewhere on the property.

Mineral List

36 valid minerals. 2 erroneous literature entries.

The above list contains all mineral locality references listed on This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to visit any sites listed in without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.


Geological Survey of Canada, Miscellaneous Report 39

Rocks & Minerals 59: 206-210.

Griffith,J.W. (1967) The Uranium Industry-It’s History,Technology and Prospects, Mineral Report 12, Mineral Resource Division, Department of Energy, Mines and Resources, Ottawa, Canada p225-240

Bedell, R. L. (1982). Influence of a metamorphosed gabbro in the control of uranium-bearing pegmatite dykes, Madawaska Mines, Bancroft, Ontario. In Uranium in granites (Vol. 81, pp. 139-144).

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