CSIRO develops new gold detecting technique to assist miners to recover more gold
http://www.abc.net.au/news/2013-08-07/csiro-develops-new-gold-detecting-technique/4870130
http://www.csiro.au/Organisation-Structure/Flagships/Minerals-Down-Under-Flagship/Mining/New-Analyser-Cuts-Complexity.aspx
Would be great if this lead to a lower cost portable XRF that would assay gold.
