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TRX Presidents Corner: BuckReef Main Pit Page 74 -75 of NI43-101 2017-06-02
In selecting optimal pit shell, the shell with minimal stripping ratio and high NPV was selected. In this case pit number 20 meets the criteria. Optimization results for Buckreef Main at different gold prices are shown in Table 13.5. Ultimately, the $1,100/oz Au price shell was used for the mine design. Images of the Buckreef project optimized pit shells are shown in Figure 13.1 Executive Chairman, James E. Sinclair.
[attachment=1]Figure 13.1 Buckreef-main selected pit.PNG[/attachment]
The selected pit contains 3% of inferred resource. The rest of resource categories in optimized pit shell are as shown in Figure 13.1. Maximum NPV of US$153,991,000 is obtained from selected pit shell.
[attachment=0]Table 13.5 Optimization results for Buckreef Main (Pit 20 selected as optimum).PNG[/attachment]
- Table 13.5 Optimization results for Buckreef Main (Pit 20 selected as optimum)
- Table 13.5 Optimization results for Buckreef Main (Pit 20 selected as optimum).PNG (181.56 KiB) Viewed 318 times
- Figure 13.1 Buckreef-main selected pit
- Figure 13.1 Buckreef-main selected pit.PNG (188.03 KiB) Viewed 318 times
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