Previous update included a mix up with CDN and US dollars; sorry about that. Revised version below is now, hopefully, entirely in US dollars, consistent with the Snow Lake PEA and indicates lower capital costs for the True North mill option and gives better agreement with the Snow Lake mill cost.
| Donner (Tanco mill) | Donner (True North mill) | Snow Lake |
Tonnes (mm) | 6.8 (2.1 open pit) | 6.8 (2.1 open pit) | 8.2 (0.6 open pit) |
Grade % Li2O | 1.39 | 1.39 | 1.1 |
Li2O (mm kg) | 95,000 | 95,000 | 90,000 |
| | | |
| Initial Capital Costs (US$ mm) |
Pre-production1 | 19 | 19 | 19 |
Mining fleet1 | 32 | 32 | 32 |
Ore sorting1 | 7 | 7 | 7 |
Mill | nil2 | 412 | 42 |
Road1 | 1 | 1 | 1 |
Power line | nil | Nil | 18 |
Bridges | nil | Nil | 15 |
| | | |
Closure Costs | 10 | 10 | 10 |
| | | |
Total capital costs (mm $US) | $69 | $110 | $146 |
| | | |
Operating Costs | | | |
US$/t mined1 | 33 | 33 | 33 |
Ore sorting ($/t mined)1 | 2 | 2 | 2 |
Mill processing ($/t milled) | 263 | 31.53 | 16 |
Transport ($/t milled) | 304 | 304 | 15 |
Admin ($/t milled)1 | 135 | 135 | 2 |
Total (US$/t milled) | 104 | 110 | 68 |
Revenue | | | |
Li2O @6 % (US $/t) | $2130 | $2130 | $2130 |
Gross $/t milled @70% recov | $345 | $345 | $273 |
Net $/t milled @70% recov | $241 | $235 | $205 |
Milling rate t/d | 5006 | 12307 | 2500 |
Revenue ($US/yr) | $63 mm | $155 mm | $249 mm |
Cash flow ($US/yr) | $448 mm | $106 mm | $187 mm |
| | | |
Market capitalization (US$) | $13 mm | $13 mm | $20 mm |
| | | |
| | | | |
1) Donner costs assumed the same as Snow Lake
2) Includes total lease payments to 1911 Gold over 10 yr period (US$5mm)
3) Milling costs provided by Primero plus US$5.50/t toll milling fee paid to 1911 Gold
4) Transport costs assumed same as Snow Lake plus US$15/t for ore transport to True North (82km) or Tanco mills.
5) Admin costs provided by Primero
6) capacity of Tanco mill
7) Milling rate provided by Primero
8) Grid’s share of 50/50 profit split with Tanco = US $22 mm/yr