Argenta Silver achieves 96% silver recovery, 14,857 g/t Ag concentrate at El Quevar

Canada NewsWire

VANCOUVER, BC , Sept. 21, 2026 /CNW/ -- Argenta Silver Corp. (TSXV: AGAG) (OTCQX: AGAGF) (FSE: T1K) ("Argenta" or the " Company ") is pleased to report initial flotation results from its ongoing metallurgical variability testwork program at the El Quevar project in Salta Province, Argentina.

Initial rougher flotation testing across 15 representative variability samples returned strong silver recoveries, with 13 of 15 samples averaging approximately 95% Ag recovery including recoveries reaching as high as 99%. Two representative samples with contrasting rougher mass-pull responses were subsequently advanced to cleaner flotation testing, achieving up to 96% Ag recovery to a final concentrate grading 14,857 g/t Ag.

Metallurgical Program Highlights - Yaxtché Deposit

Standard Industrial Flowsheet: Initial results demonstrate that a conventional rougher-cleaner flotation flowsheet can produce high-grade silver concentrates from Yaxtché mineralization at high recoveries (91% to 96%).

Rougher Flotation: Thirteen of the 15 variability samples achieved silver recoveries of approximately 95% on average to rougher concentrate, with recoveries reaching 99% across the full sample set.

Cleaner Flotation: As part of the initial test work, two cleaner flotation tests were carried out on rougher samples, where F-16 (sample EQ-VAR-06) achieved 96.0% Ag recovery to a 3rd cleaner concentrate grading 14,857 g/t Ag , with limited silver losses through successive cleaning stages.

Ongoing Metallurgical Testwork: The reported results represent an early stage of the metallurgical testwork program and are preliminary, not final, and have not yet been optimized. Additional cleaner tests will be completed on the remaining samples, followed by the preparation of master composites, optimization testwork, and blending studies.

Fina