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Defiance Silver Corp. reports exploration and corporate developments for precious and base metal projects in Mexico. The company focuses on the Zacatecas Project in the historic Zacatecas Silver District, the 100%-owned Tepal Gold-Copper Project in Michoacán, and the Green Earth Metals property portfolio in Sonora State.
Recurring news includes diamond drilling and trench sampling results at San Acacio and the Veta Grande system, environmental authorizations from SEMARNAT, surface access arrangements for exploration targets, and project data that supports mineral-resource work. Company updates also cover shareholder-meeting results, board and auditor approvals, omnibus plan matters, and financing-related disclosures.
Defiance Silver (OTCQX:DNCVF) announced that Mexico's Secretariat of Environment and Natural Resources (SEMARNAT) has approved its Informe Preventivo for the Espiritu copper target at the Green Earth Project in Sonora, Mexico. This approval provides the environmental authorization required to conduct exploration drilling under Mexican regulations.
The authorization allows Defiance Silver to carry out exploration activities for approximately 60 months, including the construction of up to 172 drill platforms and related access roads, subject to SEMARNAT’s terms and conditions. According to the company, this permit is an important step in advancing the Green Earth Project and supports its broader strategy of generating new discoveries and growing resources across its Mexican project portfolio, which includes the Zacatecas silver project, the 100% owned Tepal gold/copper project, and the Green Earth Metals properties.
Defiance Silver (OTCQX: DNCVF) reported new diamond drilling results from its San Acacio target at the Zacatecas Project, covering holes DDSA-26-82 to DDSA-26-88 (1,700 m). Key intercepts include DDSA-26-85 with 0.35 m grading 1,470 g/t Ag within 4.28 m of 136.23 g/t Ag, plus 0.41 m of 1,175 g/t Ag and 1.92 g/t Au within 28.06 m of 142.21 g/t Ag.
Other highlights include 2.60 m of 227.00 g/t Ag in DDSA-26-83, 0.72 m of 507.00 g/t Ag in DDSA-26-86, and 0.35 m of 641.00 g/t Ag in DDSA-26-88. As of this update, 6,132 m in 21 holes of a planned 10,000 m program are completed, supporting an evolving structural model of three blocks along the Veta Grande system and an upcoming Mineral Resource Estimate.
Defiance Silver (OTCQB:DNCVF) completed the final option payment for the San Acacio mining concessions, securing 100% ownership of this core Zacatecas Silver Project asset in Mexico. The company paid US$2.3 million, added two surface land parcels (~24 hectares), and retains a buy-back right on a 2.5% NSR for US$2.5 million.
Defiance is advancing a 10,000-metre drill program ahead of an updated Mineral Resource Estimate and issued 33,839 common shares for services, settling $7,980 of accrued debt.
Defiance Silver (DNCVF) reported new drill results from its Zacatecas San Acacio project, covering holes DDSA-25-78 to DDSA-25-81 (1,486m). Key intercepts include 356 g/t Ag and 2.15 g/t Au over 1.20m within 11.02m at 125.41 g/t Ag and 0.81 g/t Au.
The 10,000m program has reported 4,039m to date and is designed to refine the Veta Grande structural model, infill poorly drilled zones, and test hanging-wall and footwall splays, including Veta Navidad. QA/QC checks using blanks, standards, and duplicates reported no issues.
Defiance Silver (OTC: DNCVF) received an Informe Preventivo (IP) environmental permit from SEMARNAT on March 11, 2026, enabling construction of up to 44 new drill pads and 35 new access roads at the San Acacio project in Zacatecas, Mexico.
The IP is valid for 54 months and expands the drilling footprint to test targets outside historical mining in the Veta Grande camp of the Zacatecas Silver District.
Defiance Silver (DNCVF) received environmental approval from SEMARNAT for its Victoria target at the Green Earth Project in Sonora, Mexico.
The authorization covers a 36-month drilling permit, permission for up to 89 drill pads and the construction of new access roads, subject to compliance with approved environmental terms. Management describes Victoria as a large-scale copper-molybdenum target with coincident surface mineralization and prospective geophysics.
Defiance Silver (DNCVF) reported high‑grade drill results from five holes (DDSA‑25‑73 to DDSA‑25‑77) at the San Acacio Zacatecas project, covering 2,553m of a planned 10,000m program begun Sept 12, 2025. Key intercepts include 3.55m @ 355.32 g/t Ag and 3.07m @ 579.27 g/t Ag.
The program confirms lateral and vertical continuity in the Veta Grande system, identifies three N‑NW fault‑delimited blocks (NW, Central, SE), and notes displacement of veins of ~15–30m. Assays were done by ALS with QA/QC protocols described.
Defiance Silver (OTC: DNCVF) secured a five-year surface access agreement for the Victoria target at its Green Earth Project in Sonora, Mexico, enabling surface exploration, drilling, and engineering studies.
The Green Earth Project covers ~6,800 hectares, lies in the Sonora Laramide Porphyry Copper Belt, and features strong alteration, anomalous copper-moly-gold geochemistry, and coincident MT/IP geophysical anomalies.
The company also granted 2,720,000 options at $0.35 and a total of 1,061,000 share‑based units (DSUs, PSUs, RSUs) to directors, employees, and consultants.
Defiance Silver Corp (OTCQX: DNCVF) reported results from its 2025 Annual General and Special Meeting held December 5, 2025. Shareholders voted 90,698,476 common shares, representing approximately 24.918% of issued and outstanding common shares.
All meeting items were approved per the company circular dated October 22, 2025: setting the board size at five directors; electing Christopher Wright, Ronald Sowerby, James Bergin, George Cavey and Paul A. Smith as directors; appointing Davidson & Company LLP as auditor for the ensuing year; and approving the company’s 2021 Omnibus Plan. Director and resolution vote tallies ranged from ~93.24% to 99.02% in favor per disclosed results.
Defiance Silver (OTCQB: DNCVF) reported results from a large trenching campaign at the San Acacio property, Zacatecas, on November 19, 2025. The program sampled ~2.1 km of Veta Grande strike with ~1.1 km of trenching and collected 1,016 channel samples.
Highlights: maximum 5180 g/t Ag and 4.85 g/t Au, multiple trenches >60 g/t Ag, 152 trenches totaling 1,098 m trenched, and average Veta Grande vein samples 147.5 g/t Ag.