RE: Price of gold17 May 2024 07:08
Hi Big figure
Well done for having a go let’s hope Newmont don’t see it 🙂
The amount of First ore depends on the stoping process, this might change though if Shaun’s current thinking is to approach the Western Front differently.
The old plan of 2mt was to drive 5 stopes through the First stoping level on the Western Front and the 3mt has 4 drives and then have to go to the Eastern front before backfilling commences.
This increase in stope drives will reduce the First ore tonnage available.
The Eastern front second level has the equivalent high grade as the Western front but quickly reduces as it progresses around the crescent.
The first level of the Western front has 8,10, and 12% grades this suggests a concentration of Chalcopyrites, so this may lift the specific gravity higher meaning more tonnage per cubic metre.
My calculations for the First Ore worked out around 1.5m ton with 5 to 600,000 ton in the first phase of stopes.
When the ore reaches the surface it will be stockpiled and crushed before going to Telfer.
The grades will therefore be mixed, Telfer will have set grade requirements that it can handle so a weaker mix than First ore might be required. I’m not certain on that only what I’ve been told.
Averages quoted around 0.6% maybe the figure to go on but early ore will have strong grades.
The process at Telfer is mainly floatation so it will be difficult to separate out AISC for both gold and copper. The gold eq AISC$634 covers both ore processes but that was for Ggp 30% it will rise for 100% as transport to Telfer will get included and more admin costs. NCM had a figure of $743 for 70% without transport
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