Don't know if this is relevant or not (prob not) but found it...

Don't know if this is relevant or not (prob not) but found it interesting.....from PGI ..panterras recent preso

The Company’s extensive experience in relation to predevelopment metallurgical testwork, process design, equipment selection, and operational techniques, has resulted in it becoming the leader in the application of the Albion oxidation process, as it relates to precious metals.

This will undoubtedly provide new strategic opportunities for PanTerra Gold in the foreseeable future.

There are numerous confirmed occurrences of stranded refractory ore bodies worldwide, where gold and silver could be economically recovered by this process in association with standard CIL extraction.

PanTerraGold is receiving increasing numbers of enquiries in relation to acquisition or merger opportunities involving refractory resources, and is currently reviewing opportunities for five specific mine developments.