JR ,, I won't be re-reading this, but if you're looking to try...

JR ,, I won't be re-reading this, but if you're looking to try to ascertain value of gold in the gold,, grab a coffee and read the link below..
I can't remember all the details but took away some ball park numbers to stash in my memory..

Then look at existing ERM JORC reports of gold in the ground. Again I'm not going to re-read them all.  I've made my own deductions.

Now that we're starting to get some exciting commentary, it won't be long until some analyst will put an exact figure on this.. The exact figure is something they do. (which I think is still arbitrary, but it will help others that actually buy and sell shares some kind of broad place to agree)

http://www.kitco.com/commentaries/2015-06-03/The-Real-Value-of-Gold-in-the-Ground.html