Project:
Aranzazu Copper-Gold-Silver mine
Status:
Producing
Location:
Zacatecas, Mexico
Ownership:
100% owned by Aura Minerals Inc. (“Aura”)
Royalty:
1.00% net smelter return royalty covering a ~1,440 hectare area, which includes the location of the existing underground mine and entire mineral resource and reserve estimates for Aranzazu.
Aura disclosed that Aranzazu sold 52.3 million lbs CuEq at cash costs of US$1.51/lb CuEq in 2022. CuEq sales were 16% higher than 2021, reflecting a full year of operations at expanded throughput capacity(1).
As of December 31, 2022, Aura disclosed the mineral resource and reserve estimates for Aranzazu as:(2)
December 31, 2022 Mineral Resource Estimate
| Tonnes | Grade | Contained Metal (Kt) | |||||
| Classification | Kt | Cu (%) | Au (g/t) | Ag (g/t) | Cu (Klbs) | Au (koz) | Ag (koz) |
| Measured | 10,200 | 1.44 | 1.03 | 21.54 | 324,591 | 339 | 7,062 |
| Indicated | 4,872 | 1.42 | 0.84 | 21.22 | 152,899 | 132 | 3,324 |
| Measured & Indicated | 15,072 | 1.44 | 0.97 | 21.43 | 477,490 | 471 | 10,386 |
| Inferred | 4,324 | 1.04 | 0.55 | 16.37 | 99,051 | 76 | 2,276 |
December 31, 2022 Mineral Reserve Estimate
| Tonnes | Grade | Contained Metal (Kt) | |||||
| Classification | Kt | Cu (%) | Au (g/t) | Ag (g/t) | Cu (Klbs) | Au (koz) | Ag (koz) |
| Proven | 5,949 | 1.25 | 0.86 | 17.56 | 163,979 | 165 | 3,358 |
| Probable | 3,623 | 1.19 | 0.72 | 17.69 | 95,025 | 84 | 2,061 |
| Proven & Probable | 9,572 | 1.23 | 0.81 | 17.61 | 259,004 | 249 | 5,419 |
Notes:
- Refer to Aura Minerals 2022 Annual Financial and Operational Results and 2023 Guidance press release and Management's Discussion and Analysis for the three and twelve months ended December 31, 2022. Copper Equivalent production was calculated based on gold equivalent ounce guidance, gold equivalent ounce production for the twelve months ended December 31, 2022, and commodity price assumptions used in gold equivalent ounce calculations disclosed by Aura.
- Refer to Aura's Annual Information Form for the year ended December 31, 2022, dated March 30, 2023.