Gold

The Mining and Exploration News in Mexico; Highlights on the Third Week of March 2026

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By Jorge Cirett

Since 2015 Miguel Heredia and I have published the weekly newsletter ‘The Mining and Exploration News in Mexico’. It has been a very rewarding  experience and we have learnt a lot in the process on Mexico and on the global mining industry. Although a pro-bono project, the previous format consumed a lot of time. We realized we could not keep reasonably doing this task in the same manner when recently had to put more than 10 hours in the week for producing the newsletter, while doing long hours on project work at the same time. To sustain this contribution, we are introducing a new, streamlined format with all the key mining activity in Mexico, with links to all the original press releases and sources. It is our intention to continue serving the industry as long as it remains fun and rewarding as it has been so far.    

During the 12th week of the year (March 16th to March 22nd, 2026), companies working in Mexico released 32 press releases. Four companies informed on early-stage property work, four more presented quarterly and/or full-year 2025 reports. Three companies updated on financing rounds/movements, another is not proceeding with a financing round and one more is to list in the OTCQB. Two companies presented drilling results on their advanced projects, while four more informed on their incoming drill programs. One company informed on development contracts while one more received a long awaited mining permit. Finally, one company received an economic update for its project.  ON MEXICO ISSUES, no relevant news. ON EXPLORATION, in Sonora, Questcorp Mining and Riverside Resources  completed the acquisition of key claims on La Union. In Durango, Pinnacle Silver and Gold discovered mineralization after a LiDAR survey at El Potrero. In Michoacán, Canadian Silver Hunter released assay results from surface sampling of stockpiles at an undisclosed project. ON MINING, Heliostar Metals (Ana Paula, Guerrero), Orla Mining (Camino Rojo, Zacatecas), Gold Resource (Don David, Oaxaca) and Elemental Royalty (royalty on Mercedes, Sonora) presented Q4 and/full year 2025 results. ON FINANCING, three companies informed on financing rounds/movements: Barksdale Resources (San Javier, Sonora) completed a shares for debt transaction of US$351 K and completed a private placement for C$763 K. Orogen royalties informed that the company will not proceed with the previously announced private placement. Silverco Mining commenced trading on the OTCQB.  ON RESOURCES AND DEVELOPMENT, Heliostar Metals reported drilling results from San Agustín, in Durango. Silver Tiger announced contracts for development engineering and management for El Tigre, in Sonora. Orla Mining received the environmental permit for the Camino Rojo project in Zacatecas. Southern Silver Exploration presented drill results from Cerro Las Minitas in Durango. Silverco Mining announced a 30,000 m drilling program at Cusi, in Chihuahua. Pacifica Silver announced the expansion to 20,000 m of the drill program at Claudia in Durango. Zacatecas Silver received the drilling permit for its Zacatecas Silver project in Zacatecas. Silver Dollar contracted 3,500 m of drilling for La Joya, in Durango. Royalties Inc. received an economic update for the Bilbao project in Zacatecas. ON DEALS AND CORPORATE ISSUES, Orex Minerals entered into a definitive share purchase agreement with Silver Viper Minerals and Fresnillo plc to sell Silver Viper the Coneto project in Durango, for US$15 M in shares. Azucar Minerals announced the change name to Mustang Minerals Ltd. (El Cobre, Veracruz). Xali Gold announced an appointment to the board. EV Resources secured a plant for antimony production (Los Lirios, Oaxaca). ON SOCIAL RESPONSIBILITY, no relevant news.

ON MEXICO ISSUES

ON EXPLORATION

  • Pinnacle Discovers Silver-Lead-Zinc Mineralization Following up on LiDAR Survey at El Potrero : Pinnacle Silver and Gold
  • Canadian Silver Hunter Announces Assay Results : Canadian Silver Hunter
  • Questcorp Mining and Riverside Resources Consolidate Key Mineral Concessions for the La Union Project in Sonora, Mexico : Questcorp Mining
  • Riverside Resources and Questcorp Consolidate Key Mineral Concession for Union Project, Sonora, Mexico : Riverside Resources 

ON MINING

  • Elemental Royalty to Release Q4 and Full Year 2025 Results on Tuesday, March 24, 2026 : Elemental Royalty
  • Gold Resource Corporation Reports Financial Results for the Year Ended December 31, 2025 : Gold Resource
  • Orla Mining Reports Fourth Quarter 2025 Financial Results : Orla Mining
  • Heliostar Presents Fiscal 2025 Financial Results : Heliostar Metals 

ON FINANCING

ON RESOURCES AND DEVELOPMENT

  • Pacifica Silver Expands Phase II Drill Program at Claudia to 20,000 m; Appoints Dr. Steven I. Weiss as Interim VP Exploration : Pacifica Silver
  • Silverco Mining Commences 30,000-Meter 2026 Drill Program at Cusi, Targeting Massive Step-Out Potential and Regional Blue-Sky Prospects : Silverco Mining
  • Silver Dollar Hires Versa for Diamond Drilling at Its La Joya Silver (Cu-Au) Project : Silver Dollar Resources
  • Heliostar Drills Multiple Gold Intercepts over 200 Metres From Pit Edge at San Agustin : Heliostar Metals2
  • Silver Tiger Awards Engineering Procurement and Construction Management Contract and Provides Construction Update : Silver Tiger Metals
  •  Orla Mining Receives Permits to Extend Operations in Mexico Supporting Company’s Long-Term Commitment to Camino Rojo : Orla Mining
  • Southern Silver Intersects 6.3 Metres Averaging 874g/t AgEq at Cerro Las Minitas Project in Durango, México : Southern Silver Exploration
  • Zacatecas Silver Receives Drill Permit for El Cristo, Supporting 2026 Drill Program Aimed at increasing Existing Silver Resource at the Zacatecas Silver Project : Zacatecas Silver
  • Royalties Inc. Receives Bilbao Project Economic Update : Royalties Inc

ON DEALS AND CORPORATE ISSUES

  • Silver Viper Minerals announced execution of definitive agreement to acquire the Coneto Silver-Gold Project: Silver Viper Minerals
  • Orex Minerals Inc. Announces Sale of the Coneto Silver-Gold Project to Silver Viper Minerals Corp. :  Orex Minerals
  • Azucar Minerals Ltd. Announces Change of Name to Mustang Minerals Limited : Azucar Minerals
  • Ms. Chafika Eddine joins Xali Gold Board of Directors : Xali Gold
  •  EVR Secures Plant To Fast Track Antimony Production : EV Resources

ON SOCIAL RESPONSIBILITY

  • No Relevant News.

On the image below: specularite, hematite, pyrite and chlorite on volcanosedimentary rocks, HQ core. Picture by Jorge Cirett.

Mexico’s Best Drilling Intercepts, Third Week of March 2026

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Two companies released results from drilling campaigns in Mexico during the week.

Heliostar Metals released the first results from drilling at the San Agustín project since its acquisition. The company is to invest US$9.75 M in resources and reserve oxides drilling in 2026, with the program involving 15,000 to 18,000 m of drilling. To date Heliostar has completed 7,230 m in 75 holes in three of eight target areas, namely Corner Expansion, Phase 3 SW and MKT zones. “Encouraging results at the Corner Expansion Zone have driven the decision to expand the drill program to define a potential resource. This drilling will include both core and reverse circulation (“RC”) ….. This will allow Heliostar to gather the engineering and metallurgy information required to evaluate an additional pit layback beyond the reserve that is currently being mined”. From the project’s technical report the “San Agustin deposit is an intermediate sulfidation style epithermal gold-silver system with vertical base-metal zonation associated with a dacite dome complex. Early potassic alteration could be associated to tourmaline breccias with a possible genetic connection to a porphyry that may be located either vertically or laterally to the deposit.”

Southern Silver Exploration reported assays from drilling at the Puro Corazon claim within its Cerro Las Minitas project in Durango. This update includes results from the current program and the extension of a hole collared in 2012. “Mineralization in these holes is localized within the skarn-altered halo immediately adjacent to the central intrusion or alternatively, form carbonate replacement zones, further out-board from the intrusive body at the skarn / marble transition”. Twenty three holes have been completed on this program, and the drill crews have been demobilized.

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