Sudbury Basin photograph

Sudbury Basin

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AgePaleoproterozoic
Provinces Ontario
Diameter130 km (81 mi)
Date of Reg.
Date of Upd.
ID2470298
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About Sudbury Basin


The Sudbury Basin, also known as Sudbury Structure or the Sudbury Nickel Irruptive, is a major geological structure in Ontario, Canada. It is the third-largest known impact crater or astrobleme on Earth, as well as one of the oldest. The crater formed 1. 849 billion years ago in the Paleoproterozoic era.

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