Tocvan posts up to 82.25% gold recovery in Gran Pilar closed-circuit column leach tests

Bitget2026/09/25 05:30

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Tocvan Ventures reported closed-circuit column leach results supporting heap-leach processing at the Gran Pilar gold-silver project in Sonora, Mexico.
Column tests on a 1,037 kg composite returned 75.36%–82.25% gold extraction, with higher recovery at a finer P80 3/8-inch crush.
Silver extraction reached 49.12%–57.99% over 77 leach days, implying an Ag:Au ratio near 4.7–5.0.
Agglomeration did not improve recovery, while increasing NaCN consumption; non-agglomerated columns used 1.08–1.29 kg/t NaCN.
Results underpin a permitted 50,000-ton heap-leach pilot targeting first production in Q4 2026, improving on a 2023 heap test.

Disclaimer: This news brief was created by Public Technologies (PUBT) using generative artificial intelligence. While PUBT strives to provide accurate and timely information, this AI-generated content is for informational purposes only and should not be interpreted as financial, investment, or legal advice. Tocvan Ventures Corp. published the original content used to generate this news brief via ACCESS Newswire (Ref. ID: 202609250130ACCESSWRNAPR_____1226934) on September 25, 2026, and is solely responsible for the information contained therein.

Disclaimer: The content of this article solely reflects the author's opinion and does not represent the platform in any capacity. This article is not intended to serve as a reference for making investment decisions.

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Tocvan posts up to 82.25% gold recovery in Gran Pilar closed-circuit column leach tests

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