and your understanding of cut-off grades comes from where @plough?
if mining costs are included in open pit cut-off grades:
- why are open pit reserves declared at a single cut-off grade by ore type and not a variable cut-off reflecting depth of mining and higher incremental strip ratios?
here's the reserve cut-off info from tietto's dfs
mine operating cost = U$16.90 per tonne of ore
mining cost included in cut-off grade estimate = U$0.53 - U$0.65 per tonne of ore
and your understanding of cut-off grades comes from where...
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