North East United States and Canada
Average combined reserve life for all of the NE Iron Range, including Canada is approximately 40 years. The reserve quality also continues to decline throughout the N.E. Iron Range as total Fe ore grade continues to fall and while of the best ore is bound by seasonal shipping issues. Source: USGS

China
China recently completed an internal reserve estimate for all known mainland iron ore deposits. The expected life for all known reserves was estimated at 20 years. Souce: Bejing - 2006 Blue Book

|
Wings Iron Ore / Pea Ridge Reserve Overview
- - Assays show iron content from 50%-70% grade DoR
- - Total Probable Surface Reserves: 4,300,000 short tons (st)
- - Total Proven Sub-Surface Reserves: 174,000,000 (st)
- - Total Probable Sub-Surface Reserves: 500,000,000 (st)
- - Life of Est. Reserves at 3,500,000/year: 50-140 years
|