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Sierra Madre Starts Development at Third Mine in La Guitarra
By Fernando Mares - Wed, 10/08/2025 - 09:23
Sierra Madre started underground development at its Nazareno mine, the third mining center at the La Guitarra complex.
https://mexicobusiness.news/tag/sierra-madre-gold-and-silver
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Sierra Madre Begins Commercial Production at La Guitarra Mine
By MBN Staff - Tue, 01/14/2025 - 12:59
Sierra Madre Gold and Silver announced the start of commercial production at its La Guitarra complex, with operations running at 500t/d.
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Sierra Madre Gains SEMARNAT Approval for Guitarra Mine Upgrades
By MBN Staff - Wed, 05/29/2024 - 07:44
Sierra Madre Gold and Silver said these modifications could help it restart operations at the La Guitarra mine complex.
COFECE Approves Sierra Madre’s Acquisition of La Guitarra
By Paloma Duran - Mon, 03/27/2023 - 17:02
The company expects to finalize the acquisition by the end of the month.
Sierra Madre Acquires La Guitarra Silver Property
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The company explained the details of its acquisition agreement as well as its intentions to obtain Mexican antitrust approval.

Terms of Purchase Agreement for La Guitarra Mine Are Altered
By Paloma Duran - Wed, 11/09/2022 - 18:09
Sierra Madre Gold and Silver and First Majestic Silver have made changes so that key issues are resolved prior to the transaction.