Herradura mine, Mexico
Name of the Mine
Herradura mine.
Location
Herradura district, Sonora, Mexico.
Mine Owner/s
Minera Penmont, a subsidiary of Precious metals group Fresnillo.
Brief Description
Herradura is one of Mexico’s largest openpit gold mines.
As of 2024, the operation had a mine life of 9.4 years.
Brief History
The mine has been operational since 1997.
Primary Metals/Minerals
Gold.
Secondary Metals/Minerals
None stated.
Geology/Mineralisation
Herradura is situated in the Caborca orogenic goldbelt, in north-western Sonora, along the Mojave–Sonora megashea. The ore is hosted mainly by Precambrian gneisses and other metamorphic rocks that were later fractured and uplifted.
Reserves
As at June 30, 2024, Herradura had openpit gold reserves estimated at 213.24-million tonnes grading 0.83 g/t gold.
Resources
As at June 30, 2024, Herradura had measured and indicated gold resources estimated at 258.65-million tonnes grading 0.82 g/t gold and inferred resources of 5 000 t grading 0.66 g/t gold.
Type of Mine
Openpit.
Mining Method
Drill-and-blast, and a truck-and-shovel/loader fleet.
Major Infrastructure/Equipment
The mine comprises an openpit, heap-leach and Merrill-Crowe plants, as well as two dynamic leaching plants.
Prospects
Fresnillo is continuing to define how best it can develop underground activities at Herradura.
Contact Details
Fresnillo
Tel +52 55 5279 3000
Email IR@fresnilloplc.com
Website https://www.fresnilloplc.com/
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