free-milling gold

free-milling gold

[′frē ‚mil·iŋ ′gōld]
(metallurgy)
Gold that has a clean surface so that it readily amalgamates with mercury (by gravity or on blankets) after liberation by comminution.
References in periodicals archive ?
VANCOUVER, July 18 /PRNewswire-FirstCall/ -- Freegold Ventures Limited (the "Company") is pleased to announce completion of construction of a self-contained, modular, and portable gravity plant designed to process free-milling gold ores at a rate of up to 1,200 tons per day.
This work confirmed that the Golden Summit composites contained free-milling gold, with recoveries from the high-grade samples ranging from 70.
The company has commenced the examination of other projects that contain free-milling gold that could be amenable to processing with this plant on a seasonal basis.