Alderon has a current indicated iron ore resource of 490 million tonnes at 30.0% iron and an additional inferred resource of 118 million tonnes at 30.3% iron
Capital cost of US$989 million (excluding closure costs, sustaining capital & leased equipment)
Pre-Tax IRR of 40.2%
NPV (discounted at 8%) of US$3.07 billion
The PEA is based only on the development of the Rose Central deposit which has an indicated iron ore resource of 376 million tonnes at 29.8% iron and an inferred iron ore resource of 46 million tonnes at 29.8% iron
http://www.marketwire.com/press-release/alderon-releases-positive-preliminary-economic-assessment-tsx-venture-adv-1558514.htm
Disclosure: I don't own any shares of Alderon, just posting for comparative purposes should FNC meet comparable milestones