Quarterly Reports

The Mining and Exploration News in Mexico; Highlights on the First Week of September 2026

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By Jorge Cirett

During the 36th week of the year (August 31st to September 6th, 2026), 20 companies working in Mexico released press releases. One company reported activities on an early-stage property. There was no news related to mining. Three companies informed on financing rounds for C$ 31.4 M and one other granted stock options. Six companies presented news on resources and development. Eight companies presented news on deals and corporate issues. ON MEXICO ISSUES, no relevant news. ON EXPLORATION, In Sinaloa, Mercado Minerals presented results from surface sampling at the Zamora project. ON MINING, Goldgroup Mining present Q2 2026 financing results. ON FINANCING. Silverco Mining granted stock options. Silver Storm Mining and Algo Grande Copper closed private placements for C$21 M and C$4.8 M respectively. Aztec Minerals upsized its private placement from C$5 M to C$5.6 M. Sailfish Royalty declared a dividend. ON RESOURCES AND DEVELOPMENT, Silver Hammer and Stroud Resources updated its mineral resource estimate for the Santo Domingo project in Jalisco. Southern Silver Exploration reported underground sampling results at Cerro Las Minitas in Durango. Barksdale Resources advances work on gold at its San Javier property in Sonora. Sonoro Gold released drilling results from Cerro Caliche, in Sonora. Mining Americas received key permits for its Cerro de Oro project in Zacatecas. Goldgroup Mining highlighted the exploration potential at Don David, in Oaxaca. ON DEALS AND CORPORATE ISSUES, Alamos Gold, Apollo Silver, Sonoro Gold announced changes/appointments to the board. Colibri Resource and Tocvan Ventures presented corporate updates. Teck Resources informed on its merger with Anglo American. Goldgroup Mining provided an update on its merger with Gold Resource.  ON SOCIAL RESPONSIBILITY, no relevant news.

ON MEXICO ISSUES

  • No Relevant News.

ON EXPLORATION

  • Mercado Minerals Announces Initial Surface Results from the Zamora Project, Highlights 1.00 Metre of 828 g/t Silver at the Campanillas Vein: Mercado Minerals (Zamora, Sinaloa)

ON MINING

  • Goldgroup Files Second Quarter 2026 Financial Results and Provides Update on Combined Company: Goldgroup Mining (San Francisco, Sonora)

ON FINANCING AND SHARES

  • Silverco Mining Grants Incentive Stock Options and Restricted Share Units: Silverco Mining (La Parrilla, Durango)
  • Silver Storm Closes Second and Final Tranche of Non-Brokered Private Placement for Aggregate Gross Proceeds of $21.0 Million: Silver Storm Mining (La Parrilla, Durango)
  • Algo Grande Copper Closes Oversubscribed Private Placement for $4.786 Million: Algo Grande Copper (Adelita, Sonora)
  • Sailfish Royalty Declares Q3 2026 Dividend: Sailfish Royalty (royalty on Gavilanes, Durango)
  • Aztec Minerals Announces $5 Milli: on Bought Deal Private Placement of Units: Aztec Minerals (Cervantes, Sonora)
  • Aztec Minerals Announces Upsize of Bought Deal Private Placement to $5.6 Million: Aztec Minerals (Cervantes, Sonora)

ON RESOURCES AND DEVELOPMENT

  • Silver Hammer and Stroud Resources Announce Updated Mineral Resource Estimate for the Santo Domingo Silver-Gold Project, Mexico: Silver Hammer  (Santo Domingo, Jalisco)
  • Southern Silver Reports 2.8m of 665g/t AgEq and 4.0m of 367g/t AgEq from Underground Channel Sampling at the Puro Corazon Mine: Southern Silver Exploration (Cerro Las Minitas, Durango)
  • Barksdale Completes Phase II Earn-In to Reach 67.5%Ownership of Sunnyside; Advances San Javier Gold Work: Barksdale Resources (San Javier, Sonora)
  • Sonoro Gold Announces Initial 10,000 Meters Drilling Results from Ongoing Campaign at Cerro Caliche: Sonoro Gold (Cerro Caliche, Sonora)
  • Mining Americas Announces Key Permit Approvals for Development of the Cerro de Oro Project in Northern Zacatecas, Mexico: Mining Americas (Cerro de Oro, Zacatecas)
  • Goldgroup Highlights Exploration Potential at Don David: Goldgroup Mining (Don David, Oaxaca)

ON DEALS AND CORPORATE ISSUES

  • Alamos Gold Announces Change to its Board of Directors: Alamos Gold  (Mulatos, Sonora)
  • Colibri Resource Corporation Announces Grant of Stock Options and Corporate Update: Colibri Resource (EP, Sonora)
  • Teck Provides Information Related to the Anglo Special Dividend and the Merger: Teck Resources (San Nicolás, Zacatecas)
  • Apollo Silver Announces Chief Financial Officer Transition: Apollo Silver (Cinco de Mayo, Chihuahua)
  • Tocvan Provide Corporate Update: Tocvan Ventures (Gran Pilar, Sonora)
  • Sonoro Gold Announces Management Appointments: Sonoro Gold (Cerro Caliche, Sonora)
  • Goldgroup Files Second Quarter 2026 Financial Results and Provides Update on Combined Company: Goldgroup Mining (San Francisco, Sonora)

ON SOCIAL RESPONSIBILITY

  • No Relevant News

On the image below: stepladder dikelet in northern Sonora. Picture by Jorge Cirett

The Mining and Exploration News in Mexico: Highlights on the Fourth Week of August, 2026

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Hydrothermal Breccia

The Mining and Exploration News in Mexico: Highlights on the Fourth Week of August, 2026

By Miguel A Heredia

During the 35th week of the year (August 24 to August 30, 2026), at least 25 press releases were issued by companies operating in Mexico. Of these, six reported production results, six related to deals and corporate matters, six covered resource and development updates, six announced financing activities, and one presented exploration results. ON MEXICO ISSUES, No relevant news. ON EXPLORATION, In Sonora, Tocvan reported new surface exploration results from a target located 4km north of the main Zone at its Gran Pilar project.    ON MINING, Orogen, Sailfish, Guanajuato Silver, Sierra Madre reported Q2, 2026 results. Silverco filed Q2, 2026 financial statements and MD & A and provided corporate update. Heliostar commenced the open pit mining at the Veta Madre in La Colorada mine, Sonora. ON FINANCING, Silver Storm increased the size of its previously announced non-brokered private placement from CAD $7.5M to CAD $15M. Silver Storm closed CAD $14.625M first tranche of non-brokered private placement and announced further upsize up to CAD $21M. Pinnacle extended the closing date of its previously announced non-brokered private placement to September 26, 2026. Algo Grande informed that it has upsized its previously announced non-brokered private placement from CAD $3M to up to CAD $5M. Alamos Gold declared quarterly dividend of USD $0.04 per common share. Centenario closed non-brokered private placement for gross proceeds of USD $1.5M.  ON RESOURCES AND DEVELOPMENT, Silverco Mining provided la Negra mine operations update. GoGold announces the formal commencement of site construction at Los Ricos South in Jalisco.  Minaurum reported drill results from the Europa, Quintera, and San Jose Vein zones as part of its ongoing Phase II, 50,000m resource-expansion drilling program at its Alamos Silver project in Sonora.  First Majestic filed NI43-101 Technical Report for the Los Gatos mine, Chihuahua. Mithril reported drill results from its Copalquin project, Durango.  Mammoth announced that it commenced field activities at its Tenoriba project, Chihuahua. ON DEALS AND CORPORATE ISSUES, Xali announced its participation at the upcoming Moody Capital Solution 2026 Disruptive Growth & Life Sciences Conference, taking place September 9–10, 2026, in New York City. Tocvan closed its purchase agreement with Colibri to acquire the remaining 49% interest in two original Pilar mining concessions, and now holds 100% ownership of its flagship Gran Pilar project in Sonora. Colibri completed the sale of 49% interest in the Pilar project in Sonora for CAD $3.6M plus 1% Net Smelting Royalty. Sonoro Gold acquired a 100% interest in 23 mineral concessions and up to 51% interest in five additional mineral concessions to further expand its Cerro Caliche project in Sonora. Mercado Minerals signed community agreement with Ejido Rincon de Ibonia at its Zamora project, Sinaloa.  Silver Viper announced the resignation of Arthur Freeze as Director of the company, effective August 23, 2026. ON SOCIAL RESPONSIBILITY, no relevant news.

ON MEXICO ISSUE

  • No relevant news

ON EXPLORATION  

  • Tocvan Announces New Surface Mineralization in Several Zones at Gran Pilar Gold-Silver Project: Tocvan Ventures Corp

ON MINING

ON FINANCING

ON RESOURCES AND DEVELOPMENT

  • Silverco Mining Provides La Negra Mine Operations Update: Silverco Mining Ltd
  • GoGold Commences Construction of the Fully-Funded Los Ricos South Mine: GoGold Resources Inc
  • Minaurum Significantly Expands Quintera Vein Zone with  26 m of 369 g/t AgEq and Europa Sur Returns 3.4 m of 589 g/t AgEq: Minaurum Silver Inc
  • First Majestic Files NI 43-101 Technical Report for the Los Gatos Silver Mine: First Majestic Silver Corp
  • Mithril Drills Wide, High-Grade Intercepts Confirming 550m Strike with First Systematic Drilling in the Copalquin-Zaragoza Structure at target 4: Mithril Silver and Gold Limited
  • Mammoth Begins Field Activities at its Tenoriba Gold-Silver Property, Mexico: Mammoth Resources Corp

ON DEALS AND CORPORATE ISSUES

  • Xali Gold to Present at the Moody Capital Solutions 2026 Conference: Xali Gold Corp
  • Tocvan Completes Acquisition of Remaining 49% Interest in Original Pilar Concessions, Consolidating 100% Ownership of Flagship Gran Pilar Gold-Silver Project: Tocvan Ventures Corp
  • Colibri Completes Sale of 49% Interest in Pilar for C$3.6 Million Plus 1% NSR: Colibri Resource Corporation
  • Sonoro Gold Completes Acquisition of 23 Mineral Concessions to Further Expand the Cerro Caliche Gold Project: Sonoro Gold Corp
  • Mercado Minerals Signs Community Access and Exploration Agreement with Local Ejido at the Zamora Project: Mercado Minerals Ltd
  • Silver Viper Announces Resignation of Director: Silver Viper Minerals Corp

ON SOCIAL RESPONSIBILITY

  • No relevant news.

Content like what you have just read can be seen at https://gambusinoprospector.com/ and at LinkedIn’s Mexico Mineral Exploration Group.

On the picture below, a hydrothermal breccia cemented by specularite in a Cu-Au project in Sonora Mexico. Photo taken by Miguel A Heredia.

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

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By Jorge Cirett

During the 34th week of the year (August 17th to August 23rd, 2026), 24 companies working in Mexico posted press releases. Four companies reported activities on early-stage properties. Six companies presented quarterly reports while one more informed on an illegal blockade. One company announced a financing round. One company filed a technical report, two more companies presented drilling results on advanced properties and one more announced a board appointment. Six companies presented news on deals and corporate issues. ON MEXICO ISSUES, Mexico has lost four years on the development of its lithium industry. ON EXPLORATION, In Sinaloa, Mercado Minerals completed its maiden drill program at Copalito. In Durango, Pinnacle Silver and Gold reported underground drilling results at Potrero; Pacifica Silver obtained a drilling permit for its Claudia project. In Oaxaca, EV Resources further defines antimony bearing veins. ON MINING, Starcore International Mines, Luca Mining, Santacruz Silver, Mining Americas, Impact Silver and Dyna Resource presented quarterly reports. Endeavour Silver informed on an illegal blockade to its Terronera mine in Jalisco. ON FINANCING. Silver Storm Mining announced a C$7.5 M private placement. ON RESOURCES AND DEVELOPMENT, Mithril Silver and Gold filed a technical report on Copalquín, in Durango. Goldgroup Mining released results from drilling at its Don David mine in Oaxaca. Oroco Resource presented its case for an improving permitting process in Mexico. Kingsmen Resources presented drilling results for Las Coloradas, in Chihuahua. ON DEALS AND CORPORATE ISSUES, GR Silver adopted an advance notice policy. Madoro Metals updated on its reverse takeover transaction. Royalties Inc. demanded production evidence from the Cozamín mine in Zacatecas. Vortex Metals made two appointments and informed on a services agreement. Silver Dollar announced AGM results. Newmont announced an appointment to the board.  ON SOCIAL RESPONSIBILITY, no relevant news.

ON MEXICO ISSUES

  • Mexico has lost four years to develop it lithium industry, according to specialists. Lithium -El Imparcial

ON EXPLORATION

  • Pinnacle Provides First Results from Underground Drilling Program at El Potrero; Samples up to 59.2 g/t Au and 424 g/t Ag with Visible Gold: Pinnacle Silver and Gold   (El Potrero, Durango)
  • Mercado Minerals Provides Summary of Copalito Drill Program, Highlights New Renata Vein and Phase II Exploration Plans: Mercado Minerals (Copalito, Sinaloa)
  • Pacifica Silver Secures 491 New Drill Pad Sites and Expands 2026 Drill Program to 30,000 Metres: Pacifica Silver (Claudia, Durango)
  • EV Resources, Four New Antimony Feeder Vein Systems Confirmed at Los Lirios – Resource Expansion Potential: EV Resources (Los Lirios, Oaxaca)

ON MINING

  • Endeavour Silver Reports an Illegal Blockade and Suspension of Operations at its Terronera Mine: Endeavour Silver  (Terronera, Jalisco)
  • Starcore Reports First Quarter Production Results: Starcore International Mines (San Martín, Querétaro)
  • Luca Mining Corp. reports $10.5 Million of Net Earnings in Q2: Luca Mining (Campo Morado, Guerrero)
  • Santacruz Silver Reports Second Quarter 2026 Financial Results: Santacruz Silver (Zimapán, Hidalgo)
  • Mining Americas Reports Q2 2026 Financial and Operating Results: Mining Americas (Santana, Sonora)
  • IMPACT Silver Reports Q2 2026 Results: Revenue Increased by 124%, Gross Profit up 756%on Silver Leverage, Higher Grades: Impact Silver (Plomosas, Chihuahua)
  • Endeavour Silver Provides Update on Blockade at its Terronera Mine: Endeavour Silver (Terronera, Jalisco)
  • DynaResource Reports Q2 2026 Results at the San José de Gracia Mine: DynaResource (San José de Gracia, Sinaloa)
  • Endeavour Silver Announces Removal of Blockade at its Terronera Mine:   Endeavour Silver (Terronera, Jalisco   

ON FINANCING

  • Silver Storm Announces $7.5 Million Non-Brokered Private Placement with Eric Sprott: Silver Storm Mining   (La Parrilla, Durango)

ON RESOURCES AND DEVELOPMENT

  • Mithril Silver & Gold Announces Filing of Technical Report: Mithril Silver and Gold  (Copalquín, Durango)
  • Permitting Progress in Mexico: What It Means for Santo Tomás: Oroco Resource (Santo Tomás, Sinaloa)
  • Goldgroup Reports Selected Drill Results Highlighting Growth Potential at Don David: Goldgroup Mining (Don David, Oaxaca)
  • Kingsmen Drills 1.40 Metres of 433 g/t AgEq (239 g/t Ag) at Las Coloradas, Expanding a High-Grade Silver Zone Open at Depth and Along Strike: Kingsmen Resources (Las Coloradas, Chihuahua)

ON DEALS AND CORPORATE ISSUES

  • GR Silver Adopts an Advance Notice Policy: GR Silver  (Plomosas, Sinaloa)
  • Madoro Metals, Update on Reverse Takeover Transaction: Madoro Metals (Cerro Minas, Oaxaca)
  • Royalties Inc. Escalates Criminal Investigation by Formally Demanding Production Evidence at the Cozamin Mine: Royalties Inc. (Cozamin, Zacatecas)
  • Vortex Metals Engages Global Frontier Advisors and Appoints Ambassador Roberta Jacobson and Ambassador James Story to Advisory Board: Vortex Metals (Riqueza Marina, Oaxaca)
  • Silver Dollar Resources Announces AGM Results and Provides Operational Update: Silver Dollar Resources (La Joya, Durango)
  • Newmont Appoints Peter Beaven to Board of Directors: Newmont Corp. (Peñasquito, Zacatecas)

ON SOCIAL RESPONSIBILITY

  • No Relevant News

On the image below: Deformed dikelet in northern Sonora. Picture by Jorge Cirett