Fresnillo mine, Mexico
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.
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