Churchill kimberlite field
The Churchill kimberlite field is a kimberlite field near Hudson Bay in Nunavut, Canada. It was formed during three magmatic events that spanned from 225 million years ago to 170 million years ago. The proposed source of volcanism has been the New England and Cape Verde hotspots.[1]
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Coordinates: 63°05′32″N 091°10′07″W / 63.09222°N 91.16861°W
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