This is one of the mines in Australia that produces a fair amount of gold to the rest of the world. Of course, this goes without saying that some of the gold eventually will get purchased by the mints here, which is in turn, turned into bullion gold.
I was in this mine probably a couple of years ago and just found these pictures and thought I would share (as well as this forum being "dead") For security reasons, I am not allowed to name the gold mine as this might spur the investors to wrongly assume that this mine is highly prosperous. But there is one thing to add, that is, this particular gold mine has an average of 0.7-1gram of gold per tonne
Here is a massive picture of the mine I was in.
http://img317.imageshack.us/img317/4332/1largeimageln2.jpg
If you noticed at the bottom of the picture, there is a tractor and men. The scale of the mine is mind boogling:

Well how do you mine from solid rocks? Easy! Just blow them up with explosives!!!!!!!!!!!!
All of the rock remains eventually get transported to a pile here:

to get sent off to a rock grinder machine...

and with the grinded rocks, it is mixed with water

Note: the noise level is extremely loud that we had to wear mufflers.
And the slurry gets sent off to a cleaner

The slurry gets filtered and mixed with some kind of detergent so that the gold and other metal particles float up on the surface, which eventually gets collected.

And at the end of the day... well there are just so much dust particles that you notice it...
Not too good if you breathe too much of these
Mining an ounce of gold from this mine was appearently some 250usd (if I wasn't mistaken) but mining operations get highly affected by oil prices. When I was there, oil prices is probably 60usd or so at that time.
There is a terrible statistics that appearently for every tonne of gold mined, 2 people will eventually die and 17 people will get critically injured that they are unabled to work.
Hope you enjoyed reading