BOW, here is a link to that report I was talking about in my earlier post. At the bottom of page 1, it says this guy was using $100 per potential ounce in the ground. I didn,t look at his math, but here is the whole thing.

http://www.frasermackenzie.com/newresearch/GOLD_CANYON/QUICK_NOTE_GCU_Starogiannis_240412.pdf