Overview
Stage | Production |
Mine Type | Open Pit |
Commodities |
|
Mining Method |
|
Production Start | ...  |
Mine Life | 0.8 years (as of Jan 1, 2022) |
It is expected that production at Noche Buena will decrease as the mine nears the end of its lifespan. The objectives for the year 2023 include closing the open pit operation once all reserves have been fully depleted, while continuing to extract gold from the leaching pads. |
Source:
p. 50,287
Noche Buena is operated by Minera Penmont S. de R.L. de C.V as a subsidiary of Fresnillo Plc. Fresnillo is the 100 percent owner.
Contractors
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Deposit Type
- Vein / narrow vein
- Hydrothermal
Summary:
Summary:
Noche Buena is a gold deposit that is mined as an open pit. The ore extracted from the pit is transported in haul trucks to the heap leach pads.
Flow Sheet:
Summary:

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Production:
Commodity | Units | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 |
Gold
|
oz
| ......  | ......  | ......  | ......  | 167,208 | 172,282 | 182,280 |
Silver
|
oz
| ......  | ......  | ......  | ......  | ......  | ......  | ......  |
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Operational Metrics:
Metrics | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 |
Ore tonnes mined
| ......  | ......  | 6,683 kt | 12,167 kt | 18,196 kt | 17,821 kt |
Total tonnes mined
| ......  | ......  | 34,914 kt | 48,621 kt | 80,305 kt | 85,233 kt |
Tonnes processed
| ......  | ......  | 6,682,617 t | 12,166,900 t | 18,195,744 t | 17,820,817 t |
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Reserves at May 31, 2022:
Mineral reserve cut-off grade is 0.22 g/t Au.
Mineral resource cut-off grade is 0.2 g/t Au.
Category | Tonnage | Commodity | Grade | Contained Metal |
Proven
|
5,039 kt
|
Gold
|
0.48 g/t
|
78 koz
|
Probable
|
995 kt
|
Gold
|
0.45 g/t
|
15 koz
|
Proven & Probable
|
6,034 kt
|
Gold
|
0.48 g/t
|
92 koz
|
Measured
|
7,073 kt
|
Gold
|
0.52 g/t
|
117 koz
|
Indicated
|
3,053 kt
|
Gold
|
0.76 g/t
|
75 koz
|
Measured & Indicated
|
10,126 kt
|
Gold
|
0.59 g/t
|
192 koz
|
Inferred
|
123 kt
|
Gold
|
0.34 g/t
|
1 koz
|
Corporate Filings & Presentations:
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