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Sudbury (Ontario) is built around many small, rocky mtns w/exposed igneous rock of the Canadian (Precambrian) Shield. The ore deposits in Sudbury are part of a large geological structure known as the Sudbury Basin, which are the remnants of a nearly 2 Ba old meteorite impact crater. Sudbury's pentlandite, pyrite  pyrrhotite ores contain profitable amounts of many elements--primarily nickel  copper

Sudbury (Ontario) is built around many small, rocky mtns w/exposed igneous rock…

The Big Nickel in Sudbury, Ontario - I just noticed how old this nickel must be since it's King George VI on there instead of Queen Elizabeth II.

The Big Nickel is an exact copy of the nickel that was produced in It's located at the Dynamic Earth Science Centre in Sudbury, Ontario, Canada. My brother worked there for 30 years!

Sudbury, Ontario.  One claim to fame when I visited was having the world's tallest smokestack.

One claim to fame when I visited was having the world's tallest smokestack.

Sudbury Ontario

Sudbury Ontario Postcard