Mineral Reserves and Resources
Mineral Reserve Estimates
Proven and Probable Mineral Reserves1 2
| December 31, 2018 | December 31, 2019 | |||||
|---|---|---|---|---|---|---|
| Tonnes (millions) | Grade (g Au/t) | Oz Au (000’s) | Tonnes (millions) | Grade (g Au/t) | Oz Au (000’s) | |
| Underground | ||||||
| Proven | 1.23 | 4.82 | 191 | 1.07 | 4.40 | 150 |
| Probable | 1.03 | 4.61 | 152 | 1.51 | 3.70 | 180 |
| Total | 2.26 | 4.73 | 343 | 2.58 | 4.00 | 330 |
| Open Pit | ||||||
| Probable | 1.51 | 1.32 | 64 | 1.35 | 1.10 | 50 |
| Stockpiles | ||||||
| Proven | 0.23 | 0.94 | 7 | – | – | – |
| Grand Total | 4.00 | 3.22 | 414 | 3.93 | 3.00 | 380 |
1 Mineral Reserves are included within the Mineral Resources.
2 All figures are rounded and use significant figures. Subtotals, totals, and weighted averages are calculated from quantities before rounding.
Mineral Resource Estimates
Measured and Indicated Mineral Resources1 2
| December 31, 2018 | December 31, 2019 | |||||
|---|---|---|---|---|---|---|
| Tonnes (millions) | Grade (g Au/t) | Oz Au (000’s) | Tonnes (millions) | Grade (g Au/t) | Oz Au (000’s) | |
| Underground | ||||||
| Measured | 1.78 | 7.66 | 437 | 3.69 | 5.50 | 650 |
| Indicated | 2.95 | 5.94 | 564 | 5.54 | 4.60 | 820 |
| Total | 4.73 | 6.59 | 1,001 | 9.23 | 5.00 | 1,470 |
| Open Pit | ||||||
| Measured | ||||||
| Indicated | 4.70 | 1.46 | 221 | 2.69 | 1.40 | 120 |
| Total | 4.70 | 1.46 | 221 | 2.69 | 1.40 | 120 |
| Stockpiles | ||||||
| Measured | 0.23 | 0.94 | 7 | – | – | – |
| Grand Total | 9.65 | 3.96 | 1,229 | 11.92 | 4.20 | 1,590 |
1 Mineral Resources are inclusive of Mineral Reserves.
2 All figures are rounded and use significant figures. Subtotals, totals, and weighted averages are calculated from quantities before rounding.
Inferred Mineral Resources1
| December 31, 2018 | December 31, 2019 | |||||
|---|---|---|---|---|---|---|
| Tonnes (millions) | Grade (g Au/t) | Oz Au (000’s) | Tonnes (millions) | Grade (g Au/t) | Oz Au (000’s) | |
| Underground | ||||||
| Inferred | 10.45 | 4.90 | 1,645 | 19.45 | 4.20 | 2,640 |
| Open Pit | ||||||
| Inferred | 4.00 | 1.40 | 180 | 4.73 | 1.20 | 180 |
| Grand Total | 14.45 | 3.93 | 1,825 | 24.19 | 3.60 | 2,820 |
1 All figures are rounded and use significant figures. Subtotals, totals, and weighted averages are calculated from quantities before rounding.
