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Guitarra mine boosts daily processing capacity by 40% with new ball mill installation.

Market News
28 Sep 2026
Newsfile Corp
View Source
Bullish
Guitarra mine boosts daily processing capacity by 40% with new ball mill installation.

Sierra Madre Gold and Silver has increased throughput at its Guitarra silver-gold mine in Mexico by over 40%, reaching 720 tonnes per day after Phase 1 expansion upgrades. The installation of a new 11x12 ball mill is underway, expected to raise capacity further to 1,200-1,500 tpd by Phase 2, ahead of schedule. Underground development at Guitarra and nearby mines continues to support expanded production, while groundwork for a dry stack tailings facility expansion has started. These developments position Sierra Madre for significant growth in silver and gold output in the near term.

Sierra Madre's Guitarra mine throughput increase is noted alongside Pluang's market snapshot as of Sep 29, 2026 03:12 WIB: Out of 150 US stocks priced on Pluang, 55 rose and 93 fell. Among notable movers, QCOM traded at USD 187.51 with a 7.11% decline and a typical hold time of 88 days, while BA was priced at USD 185.03, down 6.58%, with all orders buying. BB stood out with an 8.71 USD price, rising 6.09%, and an 83% buy order activity, contrasting with the declines of QCOM and BA.

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