NI 43-101 Global Resource Estimate
Rockcliff Metals Corporation - Global Resources - February 1, 2022 | ||||||||
Category | Deposit | Tonnes ('000t) | Cu (%) | Zn (%) | Au (gpt) | Ag (gpt) | CuEq (%) | CuEq (Mlbs) |
Measured and Indicated | Tower | 1,711 | 3.28 | 1.04 | 0.70 | 16.50 | 4.22 | 159 |
Rail | 2,053 | 1.87 | 0.59 | 0.60 | 6.10 | 2.30 | 104 | |
Bur | 3,017 | 1.69 | 6.13 | 0.02 | 4.48 | 3.84 | 255 | |
Talbot (49%) | 1,075 | 2.33 | 1.79 | 2.06 | 36.00 | 4.40 | 104 | |
Total Measured + Indicated | 7,856 | 2.17 | 2.98 | 0.60 | 11.83 | 3.60 | 623 | |
Inferred | Tower | 499 | 1.74 | 1.16 | 0.20 | 8.40 | 2.13 | 23 |
Rail | 1,079 | 2.14 | 0.73 | 0.90 | 7.60 | 2.73 | 65 | |
Bur | 2,342 | 1.03 | 8.65 | 0.00 | 0.91 | 4.04 | 209 | |
Talbot (49%) | 1,198 | 1.13 | 1.74 | 1.87 | 25.80 | 2.98 | 79 | |
Total Inferred | 5,118 | 1.49 | 4.00 | 0.54 | 7.70 | 3.14 | 376 |
• The Tower and Rail Deposits resource estimates complete by A-Z Mining Professionals Limited was press released on February 1, 2022 and included into a PEA study. CIM definitions were followed. $80 copper cut-off was used with US$3.52 copper, US$1817 gold, US$1.18 zinc and US$23.75 silver (based on an 18 month moving metal price average to October 31, 2021). Copper Equivalent grades were applied using metal recoveries of 97.2% copper, 74.24% zinc, 63% gold and 63% silver. Mineral Resources are not Mineral Reserves and do not have demonstrated economic value.
• The Talbot resource report completed by P&E with an effective on February 28, 2020 and press released February 27, 2020. CIM definitions were followed, 1.5% copper cut-off was used with US$3.00 copper, US$1,350 gold, US$1.10 zinc and US$16.50 silver(based on 24 month moving average to January 31, 2020). Metal recoveries used for Copper Equivalent grades were 95%, gold at 80%, zinc at 80% and silver at 80%. Mineral Resources are not Mineral Reserves and do not have demonstrated economic value.
• The Bur resource report completed by Stantec with an effective date of October 26, 2021 was press released on November 22, 2021. CIM definitions were followed. 2.3% copper cut-off was used with US$3.26 copper, US$1,744 gold, US$ 1.13 zinc and US$22.05 silver(based on 24 month moving average to October 2021). Metal recoveries used for Copper Equivalent grades were 80%, gold at 40%, zinc at 80% and silver at 40%. Mineral Resources are not Mineral Reserves and do not have demonstrated economic value.