Overview
Stage | Production |
Mine Type | Underground |
Commodities |
|
Mining Method |
|
Production Start | ...  |
Mine Life | 4.2 years (as of Jan 1, 2022) |
Ciénega is Fresnillo most polymetallic mine. During 2022, a lower volume of ore was processed as a result of the non-scheduled minor technical stoppages at the mill, and lower productivity from new personnel at the mine, mitigated by a higher ore grade. |
Source:
p. 49,287
Fresnillo plc is the owner, with 100% ownership.
Contractors
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Deposit Type
- Epithermal
- Vein / narrow vein
Summary:
Summary:
Ciénega is a gold-silver mine located near the small community of Nuestra Señora de la Ciénega. Long-hole open stoping mining method is utilized at Ciénega.
Source:
Source:
Summary:

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Production:
Commodity | Product | Units | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 |
Gold
|
Metal
|
oz
| ......  | ......  | ......  | ......  | 66,869 | 71,947 | 72,851 |
Silver
|
Metal
|
oz
| ......  | ......  | ......  | ......  | ......  | ......  | ......  |
Zinc
|
Metal
|
t
| ......  | ......  | ......  | ......  | ......  | ......  | ......  |
Zinc
|
Concentrate
|
kt
| ......  | ......  | ......  | ......  | ......  | ......  | ......  |
Lead
|
Metal
|
t
| ......  | ......  | ......  | ......  | ......  | ......  | ......  |
Lead
|
Concentrate
|
kt
| ......  | ......  | ......  | ......  | ......  | ......  | ......  |
Silver Equivalent
|
Metal
|
M oz
| ......  | ......  | | | | | |
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Operational Metrics:
Metrics | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 |
Daily milling capacity
| ......  | ......  | 4 kt | 4 kt | 4 kt | 4 kt |
Annual milling capacity
| ......  | ......  | 1,340 kt | 1,340 kt | 1,340 kt | 1,340 kt |
Tonnes milled
| ......  | ......  | 1,318 kt | 1,329 kt | 1,324 kt | 1,302 kt |
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Reserves at May 31, 2022:
The cut-off grade for Ciénega’s mineral resources varies between 209 and 284 g/t AgEq.
The cut-off grades for the Ciénega reserve vary between 257 and 309 g/t AgEq.
Category | Tonnage | Commodity | Grade | Contained Metal |
Probable
|
4,668 kt
|
Gold
|
1.96 g/t
|
295 koz
|
Probable
|
4,668 kt
|
Silver
|
211 g/t
|
31,606 koz
|
Probable
|
4,668 kt
|
Zinc
|
1.31 %
|
61 kt
|
Probable
|
4,668 kt
|
Lead
|
0.87 %
|
41 kt
|
Measured & Indicated
|
9,731 kt
|
Gold
|
3.15 g/t
|
984 koz
|
Measured & Indicated
|
9,731 kt
|
Silver
|
231 g/t
|
72,320 koz
|
Measured & Indicated
|
9,731 kt
|
Zinc
|
1.97 %
|
192 kt
|
Measured & Indicated
|
9,731 kt
|
Lead
|
1.29 %
|
126 kt
|
Inferred
|
7,448 kt
|
Gold
|
1.79 g/t
|
428 koz
|
Inferred
|
7,448 kt
|
Silver
|
227 g/t
|
54,393 koz
|
Inferred
|
7,448 kt
|
Zinc
|
1.09 %
|
81 kt
|
Inferred
|
7,448 kt
|
Lead
|
0.64 %
|
48 kt
|
Corporate Filings & Presentations:
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