Analysis of gases trapped in rocks reveals origin of the gold deposits beneath Scotland and Ireland

Sophisticated new chemical analysis of gases trapped in rocks for millions of years has cast new light on the origin of the ...
PBS

Extracting Gold from Rock

Unlike alluvial gold, which is found as very small flakes on riverbanks, gold-bearing rocks have to be dug out of the ground. We're after pure gold, but rock that contains gold also includes lots of ...