The Mining and Exploration News in Mexico: Highlights on the Third Week of March 2025

By Jorge Cirett

During the 12th week of the year (March 17th to March 23rd, 2025), companies working in Mexico presented 25 press releases. Four companies informed on exploration on three properties, three companies presented quarterly and/or full year 2024 reports and two companies provided updates on their operations. Five companies informed on financing rounds and one more on the granting of options. Two companies informed on the filing of its case against Mexico on an international institution. ON MEXICO ISSUES, Almaden Minerals and Almadex Minerals filed a legal suit against Mexico on the CPTPP for US$1.06 billion. ON EXPLORATION, in Sonora, Tocvan Ventures and Colibri Resource informed on drilling at Gran Pilar/El Pilar. in Durango, Pinnacle Silver and Gold informed on underground sampling at El Potrero; Silver Wolf Exploration updated on work at Ana Maria. ON MINING, Orla Mining, United States Antimony and Orogen Royalties presented Q4 and/or full year 2024 reports. Sierra Metals recommend to its shareholders to reject an unsolicited bid and Starcore International Mines is to process carbonaceous ore at its San Martin plant in Queretaro. ON FINANCING, companies announcing different stages of financing rounds include Pantera Silver (C$9.5 M), Goldgroup Mining (C$7 M), Heliostar Metals ((C$17 M), Capstone Copper (US$500 M), Gogold Resources (C$75 M). VVC Exploration granted incentive options. ON RESOURCES AND DEVELOPMENT, Fuerte Metals reported drilling results from Cristina, in Chihuahua. Mithril Silver and Gold released results from drilling at Copalquin, in Durango. Torex Gold Resources released resource estimates for the different deposits at its Morelos Complex in Guerrero.  ON DEALS AND CORPORATE ISSUES, Inomin Mines has to amend the technical report on La Gitana, in Oaxaca. VVC Exploration, Silver Spruce Resources and Bear Creek Mining announced movements on their boards. Almaden Minerals and Almadex Minerals filed for international arbitration against Mexico under the Comprehensive and Progressive Agreement for Trans-Pacific Partnership (CPTPP). ON SOCIAL RESPONSIBILITY, no relevant news.

ON MEXICO ISSUES

  • Almaden Minerals and Almadex Minerals filed a lawsuit against Mexico under the Comprehensive and Progressive Agreement for Trans-Pacific Partnership (CPTPP) for US$1.06 billion.

ON EXPLORATION

  • Pinnacle Silver and Gold Corp. provided results from underground sampling as part of the due diligence work completed before acquiring the El Potrero project in Durango. Sampling of veins containing grey black ginguro bands in the Pinos Cuates mine returned 0.9 m @ 9.32 gpt Au, 254 gpt Ag; 0.8 m @ 8.21 gpt Au, 153 gpt Ag; 1.4 m @ 7.92 gpt Au, 63 gpt Ag; 0.3 m @ 6.71 gpt Au, 113 gpt Ag. “… the historic workings stretching over a 500 metre strike length and the absence of any drilling or other modern exploration implies significant potential for resource development on a strong epithermal vein system”. Work to be realized in the property includes a Lidar survey for topography and structural interpretations, rehabilitation of numerous underground workings followed by its mapping and sampling, as well as surface mapping to trace the vein system.
  • Tocvan Ventures Corp. and partner Colibri Resource Corp. released results from two more holes drilled at its El Pilar (within Gran Pilar) project in Sonora. Highlighted core length intervals comprise 97.35 m @ 0.65 gpt Au, 4 gpt Ag (including 66.0 m @ 0.95 gpt Au, 5 gpt Ag, which includes 36.30 m @ 1.59 gpt Au, 8 gpt Ag, which includes 3.00 m @ 5.75 gpt Au, 6 gpt Ag and 1.20 m @ 15.35 gpt Au, 4 gpt Ag); 122.20 m @ 0.03 gpt Au, 1 gpt Ag (including 9.60 m @ 0.15 gpt Au).  Ten core drillholes totaling 1,167.5 meters were completed earlier this year within the majority owned (51%) Main Zone held in partnership with Colibri. “… the Company is outlining a permitting and operations strategy for a pilot facility at Pilar”.
  • Silver Wolf Exploration Ltd. provided highlights on 2024 work and the outlook for 2025 on its Ana Maria project in Durango. During 2024 2,560 m were drilled in 17 holes, analyzing 1,234 samples, confirming the presence of large chimney-style breccias and CRD-style mineralization. “These results will be integrated into the geological model, more mapping and sampling will be applied to other high potential areas of the property where chimney breccias have been identified on surface. Silver Wolf is looking forward to drill-test new targets”.

ON MINING

  • Sierra Metals Inc. provided a corporate update on operations, including on the Bolivar mine in Chihuahua. The board of directors continues to recommend shareholders reject the hostile take-over bid launched by a subsidiary of Alpayana S.A.C. Further improvements to drive lower costs in 2025 and an expected AISC at around $3.38 per Lb CuEq for Bolivar.
  • Starcore International Mines Ltd. announced the results of the in-plant test of the CIL circuit to treat carbonaceous ore at its San Martin mine and processing plant in Queretaro. The firm Kappes, Cassiday & Associates conducted the in-plant test for one month and processed approx. 2,000 tonnes of carbonaceous ore, grading 2.2 gpt Au, 20.7 gpt Ag, with the plant able to recover over 80% Au, 63 % Ag from these ores (… we plan to follow the test by processing 100 tonnes/day of the carbonaceous ore as part of regular plant production, gradually increasing to 180 tonnes/day within a few months”.
  • Orla Mining Ltd. announced results for Q4 and year 2024. In Q4 2024 the Camino Rojo Oxide mine produced 26,531 Oz Au by mining 50.2 K tpd and stacking 18.5 K tpd averaging 0.94 gpt Au at cash cost $550 and an AISC of $826 per Oz Au. In the year 136,748 Oz Au were produced, for a revenue of US$343.9 M, net income of US$89.0 M and US$152.7 M in free cash flow. By the end of the period the company had US$96.6 M in cash and cash equivalents, with US$8.3 M in debt. Camino Rojo Extension is now named Zone 22, and during the year drilling identified mineralization up to 0.9 km from the current resource, with the system open down plunge and at depth. An initial inferred resource in this zone is planned to be completed in Q2 2025 and integrated into the underground resources of the Camino Rojo sulfide deposit.
  • Orogen Royalties Inc. reported a total revenue of C$9.9 M for year 2024, including 34% increase in Ermitaño royalty revenue of $7.9 M. the company has a royalty on the Ermitaño deposit, being mined by First Majestic as part of its Santa Elena project in Sonora.
  • United States Antimony Corp. reported fiscal and operational results for 2024. Revenues were US$14.9 M, resulting in gross profits of US$6.8 M. The company ended 2024 with US$18.2 M in cash and cash equivalents and US$327 K of debt. “. As we announced late last year, we are firing up our Madero Smelter in Mexico this month with new international antimony material arriving today at a key port in Mexico. Additional raw antimony inventory is on the water being shipped to Mexico. All necessary improvements to furnaces at Madero have been completed on time and below budget. We see this business becoming a key contributor to our financial results in the remaining three quarters of 2025” (Los Jaurez, Queretaro).

ON FINANCING

  • Pantera Silver Corp. announced 4.74 M share purchase warrants were exercised for total proceeds of C$948 K (Nuevo Taxco, Guerrero).
  • Goldgroup Mining Inc. closed the first tranche of a non-brokered private placement for C$7 M in gross proceeds. Mr. Eric Sprott, through 2176423 Ontario Ltd. acquired C$6.75 M in shares. “Following completion of the Private Placement, Mr. Sprott will beneficially own and control 22,500,000 Common Shares and 11,250,000 Warrants representing 12.5% of the outstanding Shares on a non-diluted basis and 17.6% of the outstanding Shares on a partially diluted basis assuming the exercise of such Warrants” (Cerro Prieto, Sonora).
  • VVC Exploration Corp. announced the granting of incentive stock options to directors, officers and consultants to the company (Samalayuca, Chihuahua).
  • Heliostar Metals Ltd. entered into an amended agreement with Cormark Securities Inc. and Velocity Trade Capital Ltd., as co-lead underwriters on behalf of a syndicate of underwriters, to purchase on a bought deal private placement basis 17 M common shares for gross proceeds of C$17 M (Ana Paula, Guerrero).
  • Capstone Copper Corp. launched an offering of US$500 M aggregate principal amount of senior notes due 2033, for latter on the week upsizing the offering to US$600 M aggregate principal amount of 6.750% senior notes due 2033. “The Company intends to apply the gross proceeds from the sale of the Notes to repay project financing debt at its Mantoverde S.A. subsidiary, to pay down debt on the Company’s senior secured revolving credit facility, and for general corporate purposes” (Cozamin, Zacatecas).
  • GoGold Resources Inc. entered into an agreement with a syndicate of underwriters led by BMO Capital Markets under which the underwriters have agreed to buy on bought deal basis C$75 M in common shares of the company (Los Ricos Sur, Jalisco).

ON RESOURCES AND DEVELOPMENT

  • Fuerte Metals Corp. reported results from ten holes of a drilling program at its Cristina project in Chihuahua. A total of 10,314 m in 40 holes have been drilled in the 21,000 m drill program. Highlighted true width intervals comprise 27.0 m @ 0.5 gpt Au, 60 gpt Ag, 0.03% Cu, 0.2% Pb, 0.7% Zn (including 1.9 m @ 1.1 gpt Au, 239 gpt Ag, 0.11% Cu, 0.9% Pb, 2.8% Zn; 22.5 m @ 0.75 gpt Au, 70 gpt Ag, 0.03% Cu, 0.4% Pb, 1.1% Zn (including 2.6 m @ 1.4 gpt Au, 233 gpt Ag, 0.10% Cu, 0.6% Pb, 2.3% Zn). “The forty holes completed to date since 2024 have successfully defined a series of continuous higher grade zones extending over several hundred vertical metres within the main Guadalupe vein, and now within the Los Ingleses and Mexico Libre vein systems”.
  • Mithril Silver and Gold Ltd. released results from six holes on the ongoing drill program at its Copalquin project in Durango. Highlighted core length intercepts comprise 3.35 m @ 26.5 gpt Au, 1,046 gpt Ag; 0.65 m @ 12.1 gpt Au, 292 gpt Ag; 0.50 m @ 3.53 gpt Au, 3 gpt Ag; 5.00 m @ 5.08 gpt Au, 22 gpt Ag (including 1.00 m @ 16.7 gpt Au, 73 gpt Ag); 0.84 m @ 1.78 gpt Au, 36 gpt Ag; 3.62 m @ 9.62 gpt Au, 55 gpt Ag (including 0.72 m @ 45.5 gpt Au, 221 gpt Ag); 0.46 m @ 4.11 gpt Au, 84 gpt Ag; 1.99 m @ 4.29 gpt Au, 73 gpt Ag (including 0.50 m @ 15.4 gpt Au, 214 gpt Ag); 2.75 m @ 1.23 gpt Au, 81 gpt Ag (including 0.50 m @ 5.16 gpt Au, 334 gpt Ag). The holes at La Soledad in the Target 1 resource area intercepted multiple veins with higher grades than the known mineral resource. Drilling on Target 2, El Peru/Las Brujas will commence in April 2025. Mithril program is to complete 35,000 m of drilling during 2025.
  • Torex Gold Resources Inc. reported year-end 2024 mineral reserves and resources for the Morelos Complex, in Guerrero, which includes the producing El Limón Guajes Mine Complex (consisting of the ELG Open Pits and ELG Underground), Media Luna Underground mine, development phase EPO Underground deposit, and surface stockpiles. The company plans to produce at least 450 K Oz Au per year through 2030. As can be seen on the tables below, the Morelos Complex has 45.7 M tonnes @ 5.06 gpt AuEq in measured and indicated resources and 16.5 M tonnes @ 4.22 gpt AuEq in inferred resources, containing 7.43 M Oz AuEq and 2.24 M Oz Au respectively.
  • Inomin Mines Inc. informed that following a technical disclosure review by the British Columbia Securities Commission, the technical report of 2020 on its La Gitana project in Oaxaca does not comply with current NI 43-101 standards, and should not be relied upon, until an amended compliant report is prepared.
  • VVC Exploration Corp. announced the appointment of Mr. Bill Kerrigan as president and chief operating officer. “Mr. Kerrigan will continue to be President of Plateau Helium Corporation. Mr. James A. Culver will remain as CEO of VVC “(Samalayuca, Chihuahua).
  • Silver Spruce Resources Inc. appointed Paul K. Smith and William Fleming to the company’s advisory board (Pino de Plata, Chihuahua).
  • Bear Creek Mining Corp. announced that Andrew Swarthout and Sandra Daycock have retired from the board of directors. “Further to Bear Creek’s news releases on March 4, 2025 and March 11, 2025, Equinox, Sandstorm and the Company continue to advance definitive documentation related to (i) the amending agreements with each of Sandstorm and Equinox to temporarily defer certain interest payments under certain outstanding debt arrangements (the “Debt Amendments”); and (ii) the extension of up to US$6.5 million in additional credit to the Company from Sandstorm” (Mercedes, Sonora).
  • Almaden Minerals Ltd. announced the filing of its memorial submission relating to its international arbitration proceedings under the Comprehensive and Progressive Agreement for Trans-Pacific Partnership (CPTPP) with the United Mexican States (Mexico). “Almaden is pursuing this Claim together with Almadex Minerals Ltd)… Prior to the illegal acts of Mexico which resulted in the complete loss of the investment, Almaden held 100% of the Ixtaca precious metals project in Mexico….. while Almadex held a 2.0% NSR royalty on the Project….. The Claimants filed their Request for Arbitration in June, 2024, and the three-person arbitration panel has now been formed…. Based on a valuation by an independent quantum expert, the Claimants are seeking damages of US$1.06 billion, in the aggregate. This number will be further updated as the Claim proceeds, to reflect future movements in precious metal prices, exchange rates, interest rates, and other factors”. For a complete description of the case explained by Almaden, please see the press release at: https://gambusinoprospector.com/wp-content/uploads/2025/03/2025-03-21_almaden-files-memorial-documentation-for-US-1.06-B-damages-claim-against-mexico.pdf .
  • Almadex Minerals Ltd. filed its memorial submission relating to its international arbitration proceedings under the Comprehensive and Progressive Agreement for Trans-Pacific Partnership (CPTPP) with the United Mexican States. Almadex is pursuing this Claim together with Almaden Minerals Ltd. in the terms set above.

ON SOCIAL RESPONSIBILITY

  • No Relevant News.

On the image below: Drilling under the scarp on a Sonoran project. Drone picture by Jorge Cirett.

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