Online Analyser Optimising Mill Feed at FQM Kevitsa Nickel-Copper-PGE mine

Grade control in mining is typically based on geological maps, which are drawn based on early drill core samples drilled typically in 50m to 100m grid and R/C holes and samples in 10m to 15m grid.

At best samples are collected and analyzed from the blast hole drill cuttings piles, which unfortunately only give rough estimate of the ore grade.

After the blast mine grade control geologist makes his / her best estimate and draws a line to separate ore from waste in swollen and moved and mixed muck-pile.

Ore loading starts from the muck-piles and material is further mixed in the piles on the ROM pad before it is fed into the primary crusher and further conveyed into mill feeding pile(s).

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