Ring of Fire (Northern Ontario)
The Ring of Fire is a mineral-rich crescent-shaped geographical region in the James Bay Lowlands of Northern Ontario, Canada. It is approximately 5,000 square kilometres in size with most discoveries of chromite, nickel, copper, platinum group elements, gold, zinc, and palladium found in a 20 kilometre strip of land.
Source: Wikipedia — Ring of Fire (Northern Ontario) (CC BY-SA 4.0)