Keywords

The Sudbury Basin, also known as Sudbury Structure, is one of the most significant geological structures in the province of Ontario, Canada. It is the third-largest known impact crater on Earth, as well as one of the oldest. The crater was formed 1.849 billion years ago.  The Basin is located on the Canadian Shield and is one of the world's largest suppliers of nickel and copper ores.  

Geological keywords with a geographic context (e.g. Cape Smith Fold Belt, Selwyn Basin, Grenville Province).