RE: jims101...some resource investing advice.jims101, I second thejerk's suggestion on doing your own DD.
Just to make it little easier for you, there are three Mongolian coal plays that I hold and follow closely, SGQ, former ASG, RH former UGL and QGX. They all hold some other non-coal properties too. Although there is ERD, I don't follow the guy cause he flip flops according to whatever the name of the game is. If it's moly, he'll issue a NR about potential big find they're about to unearth, if it's uranium, they're already signing an option agreement, with fcuck all to show and to follow through.
The good thing about SGQ is, a company called Chinhua-Mac already had an investment agreement signed with the government, producing coal from nearby property and, furthermore, they excavated from the ground which belonged to IVN (transferred to SGQ). So they in-fact owe some coal to SGQ.
I did some comparative analyses of the three co.s before, if you dig around, you may find it. Since then, QGX doubled its resource, RH found some more coal elsewhere, and SGQ finished the transfer of IVN coal assets into SGQ. So the analyses are probably grossly irrelevant at this point.
Anyways, dig around, do some DD and please report back what you end up with. I have been too busy closing a deal on a house that I just don't have time to sit down and do calculations.
Good Luck
Aubagger