mill ore

mill ore

[′mil ‚ȯr]
(mining engineering)
An ore that must be given some preliminary treatment before a marketable grade or a grade suitable for further treatment can be obtained.
References in periodicals archive ?
The use of electricity to mill ore is usually the largest consumer of energy on a mine site and ore comminution constitutes a significant percentage of electricity consumed worldwide, Mr Smith said.
Northern Sun currently has a contract in place with Wallbridge Mining to mill ore from its copper-nickel-PGM Broken Hammer deposit in Sudbury.
In addition to Trench 3 currently being tested, other samples of run of mill ore are to be excavated and treated similarly at the testing laboratories in Adelaide to confirm the reliability of this beneficiation opportunity over a large-scale area.
Cortez had started mining in June, and by September 1 had accumulated a sufficient stockpile of oxidised mill ore to commence milling operations and gold production.
Recovered metal-oxide sludge from California Gulch is mixed with local mill ore concentrates and shipped to an out-of-state smelter for metal recovery.
Brush Wellman's Utah operations mine and mill ore into an intermediate form for Elmore.
Ore Reserves Type Volume Grade Gold (K st) (oz/st) (K oz) Oxide mill ore 23,640 0.
9 Mt of mill ore (plus leaching) yielded 144,000 t Cu; Chino (New Mexico) 15.
The company plans to custom mill ore from northeastern Ontario and northwestern Quebec.
Table 1 - Penasquito Resource MILL ORE - SULFIDE Measured + NSR Ore NSR Lead Zinc Silver Gold Indicated Cutoff (Mtonnes) ($) (%) (%) (g/tonne) (g/tonne) Penasco $3.
When work is completed the mill will have both gold and base metals circuits, allowing the facility to custom mill ore from northeastern Ontario and northwestern Quebec.
Gold production of 49,613 ounces slightly exceeded the new plan average mill ore grade of 0.