Pinnacle Prepares Plans for Drilling and Field Work to Follow Up on Polymetallic Discoveries at El Potrero
Pinnacle advances drilling plans for high-grade silver, lead and zinc zones at the El Potrero project.
Pinnacle Silver and Gold Corp. (PINN) has announced a planned Phase I diamond drilling program at the El Potrero project in Durango, Mexico. The initiative focuses on the Maria Fernanda 2 (MF2) concession, where the company intends to drill 1,876.5 metres across 16 holes. This program aims to test polymetallic silver-gold-lead-zinc mineralization across four specific zones: Paulina Breccia, Las Guasimas, Matavacas, and Jaelyn.
The drilling schedule is contingent upon regulatory approval. The company plans to submit a permit application within two weeks, initiating a 90-day review window that could allow field operations to commence in the first quarter of 2027. This announcement follows the April 2026 discovery of high-grade polymetallic veins guided by LiDAR technology, validating the company's strategy to expand its district-scale footprint beyond the historic Dos de Mayo vein system.
Concurrently, surface mapping and sampling are ongoing on the northern El Potrero claim block, specifically within the Minas Nuevas zone. Recent assays from this area have returned grades of up to 1,159 g/t Ag.
Pinnacle Silver and Gold Corp. (PINN) is advancing an expected exploration follow-up to the LiDAR and channel sampling discoveries made in April 2026. The planned drilling scope is incremental and aligns with the company's stated development roadmap.
The program has no immediate financial or operational impact, as it remains contingent on permit issuance and is scheduled for early 2027. While the news reinforces the geological model, it does not alter near-term valuation, financing status, or production timelines.
Pinnacle Silver and Gold Corp. (PINN) holds the El Potrero gold-silver project, a past-producing, low-sulphidation epithermal vein system located in the Sierra Madre Occidental of Durango, Mexico. The deposit features three historic mines—Pinos Cuates, Dos de Mayo, and La Dura—situated along a 500-metre strike.
The project benefits from existing infrastructure, including a 100-tonne-per-day processing plant on-site, road access, and a powerline within 3.3 km. A feasibility study for a 3.3 km powerline extension is complete. Ownership is structured under a staged earn-in agreement, where Pinnacle earns an initial 50% interest upon production commencement, with the goal to increase to 100% subject to a 2% Net Smelter Return (NSR) royalty.
Metallurgical scoping tests indicate robust head grades of approximately 7.7 g/t Au and 116 g/t Ag. Gold recoveries exceed 97% via direct cyanide leaching, while silver recoveries range from 64% to 80%.
Exploration upside is supported by a LiDAR survey that identified 64 adits, 51 prospecting pits, and five shafts across 11 km², highlighting significant untested greenfield and brownfield targets.