Yes, that's one of the estimates. It is based on fairly limited data; it's hard to know the exact extent of these things. But if you take what we know and project it out, that has absolutely been one of the calculations people have made.
Director General, Central and Northern Canada Branch, Geological Survey of Canada, Department of Natural Resources
Yes, that's one of the estimates. It is based on fairly limited data; it's hard to know the exact extent of these things. But if you take what we know and project it out, that has absolutely been one of the calculations people have made.
See context to find out what was said next.