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Fresnillo mine, Mexico

11th November 2022

By: Sheila Barradas

Creamer Media Research Coordinator & Senior Deputy Editor

     

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Name of the Mine
Fresnillo mine.

Location  
Zacatecas, Mexico.

Mine Owner/s  
Fresnillo.

Brief Description  
The Fresnillo mine is one of the world’s oldest continuously operated mines, has been producing silver for more than five centuries.

Brief History  
The Fresnillo mine has been in operation since 1554.

Primary Metals/Minerals  
Silver.

Secondary Metals/Minerals  
Gold, lead and zinc.

Geology/Mineralisation  
The geology of the Fresnillo district broadly comprises a 1-km-thick suite of Palaeocene to Oligocene, predominantly andesitic volcanics, which overlie deformed Mesozoic marine sediments and submarine mafic volcanics.

Reserves  
Total proven and probable reserves as at May 31, 2021, were estimated at 13.22-milion tonnes grading 0.72 g/t gold, 234 g/t silver, 1.17% lead and 3.41% zinc.

Resources  
Total measured and indicated resources as at May 31, 2021, were estimated at 32.39-million tonnes grading 0.91 g/t gold, 416 g/t silver, 1.31% lead, and 3.3% zinc. Inferred resources were estimated at 34.02-million tonnes grading 0.73 g/t gold, 332 g/t silver, 1.16% lead and 2.4% zinc.

Mining Method  
Underground using bench-and-fill, cut-and-fill, and backfill.

Major Infrastructure/Equipment  
The mine includes an 8 000 t/d mill and concentrator.

Prospects  
Fresnillo’s exploration activities have shown that that Fresnillo mine area remains underexplored. The company is following up three high-priority exploration targets located within the area of influence of the processing facilities, with positive results.

Contact Details
Fresnillo
Tel +52 55 5279 3000
Email IR@fresnilloplc.com

Sources
Fresnillo. Website: http://www.fresnilloplc.com/.
Fresnillo. Annual Report and Accounts 2021.

 

Edited by Creamer Media Reporter

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