Financing
GOLDGROUP ANNOUNCES COMMITMENT FOR STRATEGIC INVESTMENT IN LUCA MINING
The Mining and Exploration News in Mexico: Highlights on the Fourth Week of September, 2026

Quartz Breccia Cemented by Tourmaline
By Miguel A Heredia
During the 39th week of the year (September 21 to September 27, 2026), at least 32 press releases were issued by companies operating in Mexico. Of these, eleven related to deals and corporate matters, eleven covered resource and development updates, seven announced financial activities, two presented exploration results, and one reported production issues. ON MEXICO ISSUES, no relevant news. ON EXPLORATION, In Sonora, Algo Grande reported drilling assay results from the Cerro Grande skarn discovery at its Adelita project. In Chihuahua, Kingsmen released additional drilling results from its Las Coloradas project. ON MINING, Endeavour reported temporary reduced capacity at its Guanacevi mine in Durango. ON FINANCING, Equinox announced that it elected to exercise its rights to redeem all of its outstanding USD $172.5 million aggregate principal amount of 4.75% Convertible Senior Notes due October 15, 2028. Vortex Metals upsized its previously announced non-brokered private placement to CAD $1.4M. Silver Tiger announced a CAD $87M Bought Deal Financing and provided an update on the expected capital expenditures for the construction of the mine and process plant for El Tigre in Sonora. Aztec Minerals closed its upsized bought deal private placement for gross proceeds of CAD $6.4M. Silver Dollar announced that it intends to extend the expiry date of 3,022,600 share purchase warrants from October 29, 2026 to October 29, 2027. Silver Spruce received conditional approval from TSX Venture Exchange of its debt settlement of CAD $20,000 to be satisfied by the issuance of 210,526 common shares at a deemed price of $0.095 per share. Goldgroup closed a non brokered private placement for gross proceeds of USD $122M. ON RESOURCES AND DEVELOPMENT, Antimony Resources informed that its Tecomatlán antimony processing plant in Puebla advance toward wet commissioning and the processing of prepared mineralized material. Chesapeake provided an update on its proprietary heap oxidation technology. GoGold provided an update on the construction of its Los Ricos South project in Jalisco. Heliostar announced progress update on Ana Paula Feasibility Study. Kootenay reported drill results from Lupe Vein at its Columba project in Chihuahua. Mammoth Resources provided and update on its field activities at its Tenoriba project in Chihuahua. Minaurum reported advancement of underground rehabilitation and exploration at the historic Promontorio mine in its Alamo Silver project in Sonora. Silverco released a positive Preliminary Economic Assessment for its La Negra mine in Queretaro. Southern Silver reported drill results from its Cerro Las Minitas project in Durango. Minaurum reported high-grade silver drill results from the Europa, Quintera, San Jose, and Promontorio Sur Vein Zones, as part of its ongoing Phase II, 50,000m resource-expansion drilling program at the Alamos Silver Project in Sonora. Torex reported strong results from its ongoing drilling and exploration program at the Morelos property in Guerrero. ON DEALS AND CORPORATE ISSUES, Americas Gold and Silver announced that it will participate in Reuters Momentum AI Austin 2026. Barksdale announced the appointment of George Ogilvie as Chairman, David Lotan as Director Nominee, Chris Stewart as President and Chief Executive Officer and David Birch as Chief Financial Officer. Capital Silver announced that it will participate in the Gentile Mining Investor Forum in London. Elementary Royalty acquired an uncapped 2.5% gross revenue royalty covering Silverco´s La Negra mine in Queretaro. Apollo Silver reported that Ejido Benito Juarez in Buenaventura Municipality in Chihuahua called a second community assembly to consider lifting the moratorium on mineral exploration affecting the Cinco de Mayo project, and later on clarified misleading media reports. Luca Mining acquired Cozamin mine in Zacatecas from Capstone Copper Corp. for total upfront consideration of USD $290M and up to an additional USD $95M in deferred and contingent consideration. Silver Hammer announced that its common shares have been approved for trading on the OTCQB Venture Market in the United States under the symbol “HAMRF” and that its common shares are now eligible for electronic clearing and settlement through the Depository Trust Company in the United States. Regency Silver announced that it has been selected to present at the 26th MK-Equity Investment Conference, hosted by MK-Equity, the family office of Michael Kott, on Wednesday, September 30th, 2026, in Munich, Germany. Royalties Inc. reported the Zacatecas Attorney General formally serves Capstone Copper’s Cozamin Mine with criminal document demand for production evidence. Candelaria Mining announced voting results from its annual general meeting of shareholders. ON SOCIAL RESPONSIBILITY, No relevant news.
ON MEXICO ISSUE
- No relevant news.
ON EXPLORATION
- Algo Grande Copper Confirms 68.43 Metres of Copper-Silver-Gold Mineralization Across Two Zones in Hole AG-CG-PH2-002, Including a New Zone of 38.20 Metres at 1.0% CuEq: Algo Grande Copper Corporation
- Kingsmen Intersects 218 g/t AgEq over 6.5 Meters on New Structure, 150 Meters of High-Grade Hole LC-25-010: Kingsmen Resources Ltd
ON MINING
- Endeavour Silver Reports Temporary Reduced Capacity at its Guanacevi Mine: Endeavour Silver Corp
ON FINANCING
- Equinox Gold Announces Redemption of its Outstanding 4.75% Convertible Senior Notes Due October 2028: Equinox Gold Corp
- Vortex Metals Upsizes Non-Brokered Private Placement to $1,400,000 Due to Investor Demand: Vortex Metals Inc
- Silver Tiger Metals Inc. Announces $87 Million Bought Deal Financing and El Tigre Project Capital Cost Update: Silver Tiger Metals Inc
- Aztec Minerals Announces Closing of Upsized C$6.4 Million Bought Deal Private Placement Including Concurrent Exercise of Underwriter’s Option: Aztec Minerals Corp
- Silver Dollar Resources Proposes Warrant Expiry Extension: Silver Dollar Resources Inc
- Silver Spruce Receives TSXV Conditional Approval of Debt Settlement: Silver Spruce Resources Inc
- Goldgroup Closes Record US$122 Million Non-Brokered Private Placement: Goldgroup Mining Inc
ON RESOURCES AND DEVELOPMENT
- ANT Commences Trading as Tecomatlán Advances Toward Commissioning: Antimony Resources Limited
- Chesapeake Announces Proprietary Heap Oxidation Technology Updates: Chesapeake Gold Corp
- GoGold Advances Los Ricos South Construction: GoGold Resources Inc
- Heliostar Provides Progress Update on Ana Paula Feasibility Study: Heliostar Metals Ltd
- Kootenay Silver Reports Drill Results from Lupe Vein as 60,000-Meter Columba Program Advances: Kootenay Silver Inc
- Mammoth Provides Update on Field Activities at its Tenoriba Gold-Silver Property, Mexico: Mammoth Resources Corp
- Minaurum Advances Underground Rehabilitation and Exploration at the Historic Promontorio Mine: Minaurum Silver Inc
- Silverco Releases Positive PEA for Producing La Negra Mine Outlining a Low Capital, 8.2Year Mine Life Generating After-Tax NPV of $329 Million: Silverco Mining Ltd
- Southern Silver Intersects 35.0 Metres Averaging 188g/t Ag, 4.9% Pb and 4.6% Zn(399g/t AgEq) at Cerro Las Minitas Project, Durango, Mexico: Southern Silver Exploration Corp
- Minaurum Resource Step-Out Drilling Returns 3.40 m of 397 g/t AgEq at Europa Sur, 1.90 m of 323 g/t AgEq at Quintera, and 0.90 m of 1469 g/t AgEq at San Jose in Alamos Silver Project: Minaurum Silver Inc 1
- Regency Silver to Present at the 26th MK-Equity Investment Conference in Munich: Regency Silver Corp
- Torex Gold Provides Q3 2026 Morelos Drilling & Exploration Update: Torex Gold Resources Inc
ON DEALS AND CORPORATE ISSUES
- Americas Gold and Silver CEO Paul Andre Huet to Participate in Reuters Momentum Ai Austin 2026: Americas Gold and Silver Corporation
- Barksdale Announces C$14.0 Million Private Placement, Appoints George Ogilvie as Chairman, Proposes David Lotan as Director Nominee, Appoints Chris Stewart as President and Chief Executive Officer and David Birch as Chief Financial Officer: Barksdale Resources Corp
- Capitan Silver to Participate in the Gentile Mining Investor Forum in London: Capitan Silver Corp
- Elemental Royalty Announces US$290 Million Acquisition of Royalty and Streaming Portfolio, Strategic Divestment of Generation Business and management Succession: Elemental Royalty Corporation
- Apollo Silver Reports Ejido Benito Juárez to Reconvene Assembly on Cinco de Mayo Access Agreement: Apollo Silver Corp
- Apollo Silver Clarifies Media Reports Regarding Ejido Benito Juárez Assembly: Apollo Silver Corp 1
- Luca Mining Announces Acquisition of the Cozamin Mine, Creating a Leading Polymetallic Producer: Luca Mining Corp
- Silver Hammer Announces Uplisting to the OTCQB Venture Market in the United States, and Receives DTC Eligibility: Silver Hammer Mining Corp
- Royalties Inc. Reported the Zacatecas Attorney General Formally Serves Capstone Copper’s Cozamin Mine with Criminal Document Demand for Production Evidence: Royalties Inc
- Candelaria Announces Voting Results of Annual General Meeting of Shareholders: Candelaria Mining 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 quartz breccia cemented by tourmaline in a porphyry copper project in Chihuahua, Mexico. Photo taken by Miguel A Heredia.

EVR Completes A$1.52 Million Rights Issue to Advance Tecomatlán Antimony Production
Goldgroup Upsizes Private Placement to US$125 Million in Response to Strong Investor Demand
The Mining and Exploration News in Mexico: Highlights on the Second Week of September, 2026

Brochantite
By Miguel A Heredia
During the 37th week of the year (September 07 to September 13, 2026), at least 32 press releases were issued by companies operating in Mexico, and 1 news published by the media. Of these, twelve related to deals and corporate matters, ten covered resource and development updates, seven presented exploration results, two announced financial activities, one addressed Mexican-related issues, and one reported social issues. ON MEXICO ISSUES, Two alleged members of Los Chapitos arrested for the kidnapping of 10 miners in Sinaloa. ON EXPLORATION, In Sonora, Riverside and its JV Partner Questcorp released assay results from the Phase 2A 2026 core drilling program at the Union project, Zacatecas Silver reported assay results from the second phase of rock chip sampling at its Oso Negro project, Algo Grande announced drill results from its Adelita project, and Tocvan confirmed gold mineralization along El Mezquite trend at its Gran Pilar project. In Nayarit, Miravalles Gold filed an independent technical report for its Fairfield project. In Durango, Pinnacle announced that its ongoing drilling program at El Potrero project has confirmed and extended the previously announced high-grade gold-silver mineralization at the historic Pinos Cuates mine. ON MINING, No relevant news. ON FINANCING, DynaResource received USD $4M in IVA tax refund. Goldgroup announced a non-brokered private placement for gross proceeds of up to USD $75M. ON RESOURCES AND DEVELOPMENT, Luca Mining released new assay results from its ongoing drill program at the Tahuehueto project, Durango. Zacatecas Silver announced drill assays from El Cristo drill program in Zacatecas. GR Silver reported that its ongoing 20,000m drill program at San Marcial project, Sinaloa continues to deliver significant drill intercepts confirming extension of mineralization beyond the current mineral resource estimate area. Goldgroup reported strong assay results of the six first drillholes from its ongoing 26,000m drill campaign at its San Francisco mine, Sonora. First Majestic announced positive results from its ongoing 2026 drilling program and expands exploration footprint at San Dimas project Durango. Defiance Silver provided the results on the drilling campaign on the San Acacio resource drilling program on the Zacatecas project. Oroco reported the fourth batch of assay results from its Phase 2 resource drilling program at its Santo Tomas project in Sinaloa. Sierra Madre announced that the twin diesel electric generators have been installed at La Guitarra mine in the State of Mexico. Silver Tiger reported exploration results for the 2026 summer program at its El Tigre project in Sonora. Goldgroup provided an overview of its Oaxaca mining operations and regional land package. ON DEALS AND CORPORATE ISSUES, Starlo Ventures entered into a binding letter of intent to acquire a 100% interest in and to the Margarita project, Chihuahua. Discovery Mining announced the appointment of William Shaver to the Board of Directors, as well as a number of senior appointments and executive promotions. Santacruz received conditional approval from the Toronto Stock Exchange to list its common shares. Americas Gold and Silver, Avino, and Discovery Mining announced that they have been named to the 2026 TSX30™, the Toronto Stock Exchange’s annual ranking of the 30 top-performing companies based on dividend-adjusted share price performance over a three-year period. Elemental Royalty received approval from Mexico´s antitrust agency with respect to the acquisition of Vizsla Royalties. Guanajuato Silver appointed Colin Bower as Chief Operating Officer. Regency Silver agreed to acquire a 100% interest in the past producing Jabali Gold project, Sonora. GR Silver granted stock options to certain directors, officers, employees, and consultants. Apollo Silver announced a community assembly at which members of the Ejido are expected to vote on lifting the moratorium on mineral exploration and development affecting lands which include the Cinco de Mayo project, which is expected to be held on September 20, 2026. Mining Americas changed its auditor from McGovern Hurley LLP to Ernst & Young LLP. ON SOCIAL RESPONSIBILITY, Algo Grand received a BB rating in its first Digbee ESG assessment, covering both the Company and its 100%-owned Adelita Project in Sonora, Mexico.
ON MEXICO ISSUE
- Detienen a dos presuntos integrantes de Los Chapitos por secuestro de 10 mineros en Sinaloa: El Economista – Maria Fernanda Sosa Santiago
ON EXPLORATION
- Riverside Resources Intersects Near-Surface Gold and Base Metal Mineralization at Union Norte and Advances Multiple Targets for Phase 2B Drilling: Riverside Resources Inc
- Questcorp Defines Near-Surface Gold Discovery Corridor at Union Norte Expanding District-Scale Potential at La Union: Questcorp Mining Inc
- Zacatecas Silver Expands Oso Negro to Over 3 Kilometres of Mapped Gold-Silver Veins; Phase Two Rock Chip Sampling Returns up to 20.3 g/t Gold and 3,480 g/t Silver: Zacatecas Silver Corp
- Algo Grande Copper Intersects 30.23 Metres Grading 1.5% CuEq, including 3.55 Metres at 9.4% CuEq and 1.2-Metre Interval at 15.8% CuEq, 100 metres vertical step-out from historical intersects: Algo Grande Copper Corp
- Tocvan Confirms Gold Mineralization Along Entire 1,300-Metre El Mezquite Trend at Gran Pilar: Tocvan Ventures Corp
- Miravalles Gold Corp Files NI 43-101 Technical Report for Fairfield Gold Project, Nayarit, Mexico: Miravalles Gold Corp
- Pinnacle Confirms High-Grade Mineralization in Underground Drilling at El Potrero with up to 58.2 g/t Au and 631 g/t Ag: Pinnacle Silver and Gold Corp
ON MINING
- No relevant news
ON FINANCING
- DynaResource Receives US$4.0 Million in IVA Tax Refund: DynaResource Inc
- Goldgroup Announces US$75 Million Private Placement with US$60 Million already Committed by Leading Natural Resource Investors: Goldgroup Mining Inc
ON RESOURCES AND DEVELOPMENT
- Luca Intersects 9.9 Metres of 5.39 g/t Gold Equivalent from the Catorce Zone at Tahuehueto Mine: Luca Mining Corp
- Zacatecas Silver Announces Multiple Silver Assays from El Cristo Drill Program: Zacatecas Silver Corp
- GR Silver Confirms Extension of Mineralization at San Marcial, Including 16.1 m at 162 g/t Ag and11.7 m at 147 g/t Ag in the SE Area: GR Silver Mining Ltd
- Goldgroup Reports Strong First Results from 26,000 Metre San Francisco Drill Program: Goldgroup Mining Inc
- First Majestic Reports High-Grade Drill Results and Expands Exploration Footprint at San Dimas: First Majestic Silver Corp
- Defiance Silver San Acacio Drilling Returns High Grade Silver; Additional Holes Pending from Lucita Drilling: Defiance Silver Corp
- Oroco Continues South Zone Success: Oroco Resource Corp
- Sierra Madre Onsite Power Generation Fully Functional at La Guitarra: Sierra Madre Gold and Silver Ltd
- Silver Tiger Intersects 2.1 Metres of 7.72 Kilograms Per Tonne Silver Equivalent in the Caleigh Vein Including 0.53Metres of 29.62 Kilograms: Silver Tiger Metals Inc
- Goldgroup Highlights its Two Producing Mines and Significant Growth Potential Across the Don David Gold Complex in Mexico: Goldgroup Mining Inc
ON DEALS AND CORPORATE ISSUES
- Starlo to Acquire Margarita Silver Project, Mexico: Starlo Ventures Ltd
- Discovery Announces Management Changes: Discovery Mining Ltd
- Santacruz Silver Receives Conditional Approval to Graduate to the Toronto Stock Exchange: Santacruz Silver Mining Ltd
- Americas Gold and Silver Recognized as a Top Performer in the 2026 TSX30™: Americas Gold and Silver Corporation
- Avino Earns Second Consecutive TSX30™ Recognition: Avino Silver & Gold Mines Ltd
- Discovery Named 2026 TSX30™ Top-Performing Company: Discovery Mining Ltd
- Elemental Royalty Receives Mexican Antitrust Approval for the Acquisition of Vizsla Royalties: Elemental Royalty Corporation
- Guanajuato Silver Appoints Chief Operating Officer: Guanajuato Silver Company Ltd
- Regency Silver Corp Acquires Past Producing Jabali Gold Project in Sonora, Mexico — Adjacent to Alamos Gold’s Mulatos Mine: Regency Silver Corp
- GR Silver Mining Announces Incentive Plan Grants: GR Silver Mining Ltd
- Apollo Silver Announces Ejido Vote on Mining Moratorium at Cinco de Mayo: Apollo Silver Corp
- Mining Americas Announces Change of Auditor: Mining Americas Inc
ON SOCIAL RESPONSIBILITY
- Algo Grande Copper Achieves BB Rating in First Digbee ESG Assessment at the Adelita Project: Algo Grande Copper Corp
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, brochantite in a Cu-Au project in Sonora Mexico. Photo taken by Miguel A Heredia.

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

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
