Now, probably all the uranium mines in Ontario are closed.
Yes, uranium was mined in the past in Ontario.
no !
Silver is not extracted from uranium ores.
No
uranium can be found in rocks especially sandstone and underground
By filtration
Japan hasn't uranium mines; Japanese chemists tried to extract uranium from ocean waters, at a laboratory scale.
energy derived from uranium. Example: fission is a great method to extract uranium energy.
W. B. Coker has written: 'A geochemical orientation survey for uranium in MacNicol, Tustin, Bridges, and Docker townships, District of Kenora, Ontario' -- subject(s): Geochemical prospecting, Uranium ores 'A geological orientation survey for uranium of the Montreal River area, district of Algoma, Ontario' -- subject(s): Geochemistry, Uranium
the main mineral resources in Ontario Canada include nickel, copper, zinc, uranium, gold and silver.
In 1933, at Port Hope (Ontario), in a radium extracting plant.