free-milling ore

free-milling ore

[′frē ‚mil·iŋ ′ȯr]
(mining engineering)
Ore containing gold which can be caught with mercury by a variety of gravity processes or on blankets.
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References in periodicals archive ?
4] performed an analysis of the influence of microwave heating in a free-milling ore.
where more results with a free-milling ore are shown [15], and the one by Kingman et al.
Feed for the expanded plant will be supplied initially from near-mine resources at Paulsens and after about three years from free-milling ore at Ashburton.