dry ore

dry ore

[¦drī ¦ȯr]
(mining engineering)
An ore of gold or silver which requires added lead and fluxes for treatment.
References in periodicals archive ?
Gedabek's heap leach stacking operation has performed strongly in Q2 2012 with the company transferring 238,058 tonnes of dry ore onto the leach pad with an average gold content of 3.24 g/t (Q1 2012: 176,438 tonnes of dry ore onto the leach pad with an average gold content of 2.83 g/t Au).
- 112,000 tonnes of gold dry ore transferred during Q3 2010 onto the leach pad with an average gold content of 3.3 g/t
In terms of processing, during the quarter the Company transferred 112,000 tonnes of dry ore onto the leach pad with an average gold content of 3.3g/t.
After drying and the rejection of further oversize, some 3.8 Mt of dry ore, averaging about 1.9% Ni, is fed to the processing plant.
Dry ore is fed to the reduction kiln feed system by wheel loaders.
The mass recovery, given by the ratio between the input dry ore fed to the grinding circuits and their output slurry mass produced, is a key performance indicator of the plant, since it indicates how much of the total input ore has been converted into product slurry.
Feed to the rectangular tank is via a slurry stream or dry ore by conveyor.
The first being base metal sulphides high in silver, especially argentiferous galena and the so called "dry ores" containing native silver, argentine, and cerargyrite.