Summa Silver Reports Excellent Metallurgical Test Results from the Mogollon High-Grade Silver Project, New Mexico
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Vancouver, June 6, 2023 – Summa Silver Corp. (“Summa” or the “Company”) (TSXV:SSVR) (OTCQX: SSVRF) (Frankfurt:48X) is pleased to report silver and gold recovery results from initial scoping-level metallurgical test work from its high-grade silver-gold Mogollon Project near Silver City, New Mexico (the “Mogollon Project”). Results demonstrate strong recoveries of silver and gold from the Consolidated target.
Key Highlights
Outstanding Silver and Gold Recoveries: Two representative composite samples from the Queen Vein featured recoveries ranging from 96.2% to 97.9% for silver and 97.7% to 97.8% for gold from flotation concentrates.
High-Grade Concentrate Produced: Both composite samples produced a high-grade concentrate with grades that averaged 2,122 g/t silver and 77 g/t gold.
Conventional Milling Potential: The demonstrated recoveries were produced from a sample grind size of 80% of particles passing 75 microns or smaller which is typical in conventional milling processes.
Importance of Gravity Separation: The test work also showed that prior to flotation, gravity separation improved recoveries for silver and gold significantly.
Next Steps: With multiple targets planned for drilling, the Company will initiate continued metallurgical test work as more zones are drilled.
Galen McNamara, CEO, stated: “This work represents the first modern metallurgical testing done at the Mogollon Project. The results not only confirm the strong recoveries reported from historic mines in the district, but demonstrate that it is possible to exceed historic recoveries by using a modern approach. We look forward to continued test work as we continue to explore this district, one that our technical team and I feel has the potential to be one of the great vein fields left remaining in the United States.”