environmental impact study

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

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By Jorge Cirett

During the 42nd week of the year (October 12th to October 18th, 2026), 20 companies working in Mexico released press releases. No companies reported activities on early-stage projects. Six companies reported quarterly results and one restarted milling operations. Two companies closed financing rounds, one other completed subscription financing and two more attended conferences. One company reported drilling results, another one received environmental permits, and one more provided an exploration update. Four companies reported on deals and corporate issues. ON MEXICO ISSUES, no relevant news. ON EXPLORATION, no relevant news. ON MINING, Endeavour Silver restored mill operations at Guanceví, in Durango. Luca Mining, Mining Americas, Luca Mining, Equinox Gold, GoGold Resources and Guanajuato Silver Company reported Q3 Results. ON FINANCING. Silver Tiger Metals closed a C$100 M bought deal financing. Luca Mining completed a C$211 M subscription receipt financing. Vortex Metals closed the second tranche of a non-brokered private placement for C$600 K. ON RESOURCES AND DEVELOPMENT, Impact Silver elaborates on a gold mining opportunity and updates on exploration at Plomosas, in Chihuahua. Heliostar Metals submitted environmental permits for Ana Paula, in Guerrero. Silverco Mining reported drilling results from Cusi, in Chihuahua. ON DEALS AND CORPORATE ISSUES, First Majestic Silver announced a probable settlement agreement with Mexico on NAFTA arbitration proceedings. Goldgroup completed its strategic investment in Luca Mining. Xali Gold made an appointment to the board. ON SOCIAL RESPONSIBILITY, Americas Gold and Silver published its corporate sustainability report and established its baseline GHG.

ON MEXICO ISSUES

  • No Relevant News.

ON EXPLORATION

  • No Relevant News.

ON MINING

  • Luca Reports Q3 2026 Production Results: Luca Mining  (Campo Morado, Guerrero)
  • Mining Americas Reports Third Quarter 2026 Gold Production and Provides Notice of Third Quarter Results and Conference Call: Mining Americas (Cerro de Oro, Zacatecas)
  • Equinox Gold Reports Q3 Production Results Following Transformational Combination with Orla; Expanded Canadian Production Platform Positioned for Strong Finish to 2026: Equinox Gold (Camino rojo, Zacatecas)
  • Endeavour Silver Restores Guanaceví Mill to Full Capacity Following Trunnion Replacement: Endeavour Silver (Guanaceví, Durango)
  • GoGold Announces 2026 Annual Production: GoGold Resources (Parral tailings, Chihuahua)
  • Guanajuato Silver Provides Q3 2026 Production Results: Guanajuato Silver Company (El Cubo, Guanajuato)
  • Avino Announces Q3 2026 Production Results: Avino Silver & Gold Mines (Avino and La Preciosa, Durango)

ON FINANCING AND SHARES

  • Silver Tiger Announces Closing of C$100,050,000 Bought Deal Financing Including Full Exercise of the Over-allotment Option: Silver Tiger Metals  (El Tigre, Sonora)
  • Luca Mining Completes C$211 Million Subscription Receipt Financings in Connection with the Proposed Acquisition of Capstone Copper’s Cozamin Mine: Luca Mining (Cozamin, Zacatecas)
  • Vortex Metals Attends the 26th Munich Equity Investment Conference: Vortex Metals (Riqueza Marina, Oaxaca)
  • Vortex Metals Closes Second Tranche of Non-Brokered Private Placement: Vortex Metals
  • Regency Silver to Present at the Centurion One Capital 4th Annual Bahamas Summit: Regency Silver (Dios Padre, Sonora)

ON RESOURCES AND DEVELOPMENT

  • Impact Silver Outlines Capire Gold Opportunity and Plomosas Operating and Exploration Update: Impact Silver  (Plomosas, Chihuahua)
  • Heliostar Submits Environmental Permit Applications for Ana Paula: Heliostar Metals (Ana Paula, Guerrero)
  • Silverco Mining Intercepts 1,280 g/t Silver over 3.35 Metres True Width at Its 100%-Owned Cusi Mine in Chihuahua, Mexico: Silverco Mining (Cusi, Chihuahua)

ON DEALS AND CORPORATE ISSUES

  • First Majestic Announces Temporary Suspension of NAFTA Arbitration Proceedings as Settlement Framework Agreed to with Mexico: First Majestic Silver  (San Dimas, Durango)
  • Goldgroup Completes Strategic Investment in Luca Mining: Goldgroup Mining (San Francisco, Sonora)
  • Xali Gold Appoints Susan Mitchell as Senior Financial Advisor: Xali Gold (El Oro, Estado de México

ON SOCIAL RESPONSIBILITY

Americas Gold and Silver Publishes Inaugural Corporate Sustainability Report and Establishes GHG Baseline: Americas Gold and Silver (Cosalá, Sinaloa)

On the image below: Shear zone on intrusive rocks in northern Sonora. Picture by Jorge Cirett

The Mining and Exploration News in Mexico: Highlights on the Fifth Week of July, 2026

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Cervantite (Antimony Tetroxide)

By Miguel A Heredia

During the 31st week of the year (July 27 to August 2, 2026), at least 30 press releases were issued by companies operating in Mexico and 1 news published by the media. Of these, ten reported production results, nine related to deals and corporate matters, four announcing financing activities, three covered resource and development updates, three presented exploration results and two addressed Mexican-related issues. ON MEXICO ISSUES, Vulcan losses multi-million dollar claim against Mexico over Calica mine in Playa del Carmen, Quintana Roo. Mercado Minerals, Tocvan and Pacific Silver reported the best drilling intercepts in Mexico on the fifth week of July, 2026. ON EXPLORATION, In Chihuahua, Radius provided an update on its Amalia project. In Sinaloa, Mercado Minerals reported drill results from el Pilar Vein at its Copalito project. In Durango, Pacifica identified new high grade Aguilareña mineralized shoot at Claudia project, and provided an exploration update.  ON MINING, Starcore, reported Year End 2026 results. Silver Storm announced first concentrate shipment from its La Parrilla mine, Durango. Santacruz, Endeavour, First Majestic, Golden Minerals, Agnico Eagle, Alamos Gold, and J2 Metals reported Q2, 2026 production and/or financial results. Mining Americas announced that it will release its financial and operating results for the three and six months ended June 30, 2026 on August 17, 2026. ON FINANCING, Zacatecas Silver closed first tranche of a non-brokered private placement for gross proceeds of CAD $1,475,194.07. Altius closed transaction increasing ownership interest in Great Bay Renewables and announced increased credit facility. Centenario Gold announced the cancellation of an aggregate of 1,720,000 stock options. Discovery Mining increased and extended to USD $400M from USD $250M, a revolving credit facility. ON RESOURCES AND DEVELOPMENT, Axo secured major environmental permit approval for its San Antonio Gold project in Sonora and cleared path for production. Mithril reported its June 2026 quarterly activities for its Copalquin and La Dura projects in Durango. Barksdale released results from the core re-sampling program at its San Javier project in Sonora, and completed the final payment to Tusk to own 100% of the property. ON DEALS AND CORPORATE ISSUES, Goldgroup appointed Javier Reyes as Interim Chief Executive Officer effective immediately, and announced the transition of Allen Palmiere form his role as President and Chief Executive Officer and expect he remains in an advisory capacity to support an orderly leadership transition. Minaurum informed the engagement of Paula Montoya to significantly advance the geological understanding of its flagship Alamo Silver project in Sonora. Orogen Royalties announced updates for its partner funded exploration stage projects and royalties for the first half of 2026 and forecast for the remainder of the year. Tocvan appointed Brodie Sutherland, as Executive Chair, Christopher Gordon as Chief Executive Officer and Rodrigo Calles as President.  Orla receives court approval for business combination with Equinox Gold. Equinox and Orla complete business combination, creating North America´s New Senior Gold Producer. Teck and Anglo announced future Anglo Teck Executive Leadership Team. Royalties Inc announced that Chris Lloyd will present Bilbao project at the Discoveries Conference in Hermosillo, Sonora. ON SOCIAL RESPONSIBILITY, no relevant news.

ON MEXICO ISSUES

ON EXPLORATION  

  • Radius Gold Provides Portfolio Update on High-Grade Amalia and Holly Gold-Silver Projects and Announces Financing: Radius Gold Inc
  • Pacifica Silver Identifies New High-Grade Aguilareña Mineralized Shoot at Claudia Project;  Provides Exploration Update: Pacifica Silver Corp
  • Mercado Minerals Intersects 0.80 Metres of 675 g/t Silver Equivalent within 3.40 Metres of 403 g/t Silver Equivalent at El Pilar Vein Copalito Project: Mercado Minerals Ltd

ON MINING

ON FINANCING

  • Zacatecas Silver Closes the First Tranche of Non-Brokered Private Placement: Zacatecas Silver Corp
  • Altius Minerals Corporation Closes Transaction Increasing Ownership Interest in Great Bay Renewables and Announces Increased Credit Facility: Altius Minerals Corporation
  • Centenario Gold Corp, Announces Cancellation of Stock Options: Centenario Gold Corp
  • Discovery Announces Increase and Extension of Revolving Credit Facility: Discovery Mining Ltd

ON RESOURCES AND DEVELOPMENT

  • Axo Metals Secures Major Environmental Permit Approval; Clear Path for Production at the San Antonio Gold Project: Axo Metals Corp
  • Mithril Silver and Gold June 2026 Quarterly Report; Upgraded T1 MRE and District Expansion Drill Program: Mithril Silver and Gold Limited
  • Royalties Inc. Presenting Bilbao Project at the Discoveries Conference in Hermosillo, Sonora, Mexico: Royalties Inc
  • Barksdale Resources Reports 9 Metres 3.464g/t Au in SJ07-64 and 12 Metres of 1.084 g/t Au from Resampling Program, Completes Payments to Tusk to Own 100% of San Javier Project: Barksdale Resources Corp

ON DEALS AND CORPORATE ISSUES

  • Goldgroup Announces Leadership Transition as Company Advances Next Phase of Growth: Goldgroup Mining Inc
  • Minaurum Engages Dr. Paula Montoya and Launches Down-Hole Imagery Program to Enhance Geological Modeling of the Alamos Silver Project: Minaurum Silver Inc
  • Orogen Royalties Announces Project, Partner and Royalty Update: Orogen Royalties Inc
  • Tocvan Announces Strategic Management Restructuring to Align Leadership with Growth and Production Objectives: Tocvan Ventures Corp
  • Orla Receives Court Approval for Business Combination with Equinox Gold: Orla Mining Ltd
  • Equinox Gold and Orla Mining Complete Business Combination, Creating North America’s New Senior Gold Producer: Equinox Gold Corp and Orla Mining Ltd
  • Teck and Anglo American announce future Anglo Teck Executive Leadership Team: Teck Resources Limited

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, Cervantite in a low-sulphidation epithermal vein system in a project at Durango, Mexico. Photo taken by Miguel A Heredia.

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

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Normal Fault in the Upper Volcanic Supergroup of the Sierra Madre Occidental

By Miguel A Heredia

During the 47th week of the year (November 17th to November 23th 2025), at least 26 press releases were announced by companies working in Mexico, with eleven disclosing deals and corporate issues, five communicating production results, four announcing financial rounds, four reporting resources and developments of their properties, one informing on exploration results, and one commenting on Mexican issues. ON MEXICO ISSUES, Kootenay, Silverco, IMPACT, and GR Silver reported the best drilling intercepts in Mexico on the second week of November, 2025. ON EXPLORATION, In Zacatecas, Defiance Silver provided an update on the recently completed trench sampling program at its San Acacio project. ON MINING, DynaResource reported Q3, 2025 production and financial results from its San Jose de Gracia mine in Sinaloa. Starcore announced Q2 production results from its San Martin mine in Queretaro. Luca Mining reported Q2, 2025 consolidated production and financial results from campo Morado and Tahuehueto mines located in Guerrero and Durango respectively. Heliostar presented Q3, 2025 production and financial results from their Mexican operations.  ON FINANCING, Silver Viper announced a non-brokered private placement for gross proceeds of up to CAD $12M and later on it upsized to up to CAD $15M (La Virginia project, Sonora). Alamos Gold declared a quarterly dividend of USD $0.025 per common share and repurchased 928,729 shares under its Normal Course Issuer Bid (Mulatos mine, Sonora). Torex renewed its Normal Course Issuer Bid (NCIB), allowing the company to repurchase up to approximately 10% of its public float (about 8.13 million shares) (Media Luna project, Guerrero). Vizsla announced that it plans to raise USD $250M through the issuance of convertible senior notes due 2031 (Panuco project, Sinaloa). ON RESOURCES AND DEVELOPMENT, Silverco engaged SGS to validate and update Mineral Resource Estimate at Cusi mine, Chihuahua. GR Silver released results from drill hole SMS25-12 collared below the current San Marcial Resource Area at Plomosas project in Sinaloa. Kootenay published results from the first seven drill holes of the ongoing program at Columba project in Chihuahua. Silverco released drill results from its 15,000m 2025 drill program at Cusi mine in Chihuahua. IMPACT Silver presented results from its underground drilling program in the Juarez Zone at its Plomosas mine in Chihuahua.  ON DEALS AND CORPORATE ISSUES, Discovery Silver announced a number of management appointments (Cordero project, Chihuahua). GR Silver appointed Cástulo Molina Sotelo as Country Manager, Mexico (Plomosas project, Sinaloa). Mexican Gold informed that it will host its annual general meeting of shareholders on December 10, 2025 (Las Minas project, Veracruz).  Radius Gold appointed Alejandro Ly as Vice President Exploration (Amalia project, Chihuahua). Santacruz Silver announced the appointment of Bruce Wolfson to its Board of Directors and the retirement of Roland Löhner (Zimapan mine, Hidalgo). Vizsla Royalties congratulated Vizsla Silver on the positive results of the Feasibility Study on the Panuco project, Sinaloa. Garibaldi proposed extension of warrant expiry dates (Rodadero project, Sonora). Apollo granted Restricted Share Units to certain officers and directors (Cinco de Mayo project, Chihuahua). VVC Resources announced its strategic decision to exit the Gloria Copper Project in Chihuahua. Masivo Silver secured a 10 year land-use and access agreement for the private property where the Cerro Colorado project in Sonora is located. ON SOCIAL RESPONSIBILITY, No relevant news.

ON MEXICO ISSUES

  • Kootenay, Silverco, IMPACT, and GR Silver reported the best drilling intercepts in Mexico on the second week of November, 2025. Details are shown in the table below:

ON EXPLORATION

  • Defiance Silver Corp., provided an update on the recently completed trench sampling program at its San Acacio project in Zacatecas. A total of 76 trenches were dig and sampled in the area known as Almaden-Carolina pits, and 49 in the area known as Esperanza-Guadalupe pits, all of them along the 2.1km of strike length of the Veta Grande vein system, with approximately 1.1km of trenching being completed across the vein system. Highlights at Almaden-Carolina pits include trench CHSA-24-32 with 355 g/t Ag, 4.16 g/t Au, 4.2% Pb, and 0.5% Zn over 3.25m. Highlights at Esperanza-Guadalupe pits include trench CHSA-24-116 with 5,180 g/t Ag, 4.85 g/t Au, 0.7% Pb, and 0.1% Zn over 0.6m, and trench CHSA-24-110 with 1,155 g/t Ag, 4,12 g/t Au, 2.3% Pb, and 0.2% Zn over 0.85m. “The results from this trenching program will enhance the Company’s understanding of the surface geology and mineralization and will contribute valuable data to support the upcoming mineral resource estimate”.

ON MINING

  • DynaResource Inc., reported Q3, 2025 production and financial results from its San Jose de Gracia mine in Sinaloa (all currency is expressed in US dollars). The company mined 74,680 tonnes and milled 62,741 tonnes of 3.3 g/t Au with metallurgical recoveries of 70.5% to produce 4,830 Oz Au. It sold 4,780 Oz Au. The company also reported revenue of $14.1M; net income of $1.3M; operating cash flows before change in non-cash working capital items of $2.4M; and cash flow used in operating activities of $999.4K.
  • Starcore International Mines Ltd., announced Q2 production results from its San Martin mine in Queretaro. The company milled 51.960 tonnes of 1.33 g/t Au and 14 g/t Ag with metallurgical recoveries of 77.17% and 49.30% respectively to produce 1,860 Oz AuEq.
  • Luca Mining Corp., reported Q2, 2025 consolidated production and financial results from campo Morado and Tahuehueto mines located in Guerrero and Durango respectively (all amounts are expressed in US dollars). The company mined 241,153 tonnes and milled 250,807 tonnes to produce 5,457 Oz Au, 312.2K Oz Ag, 2M Lb Pb, 1,048M Lb Zn, and 2.61M Lb Cu. (At Campo Morado, Guerrero, Luca processed 173,260 tonnes to produce 30.2M Lb ZnEq at cash cost and AISC of $1.09 and 1.43 per Lb ZnEq respectively. At Tahuehueto, Durango, Luca processed 77,548 tonnes to produce 5,579 Oz AuEq).  The company sold 3,990 Oz Au, 233.9K Oz Ag, 762K Lb Pb, 7.6M Lb Zn, and 1.88M Lb Cu. Luca also reported net revenue of $35.04M; cost of sales of $31.1M; mine operating earnings of $3.9M; mine operating cash flow before taxes of $7.2M; loss earnings of $16.02M; adjusted net loss of $49K; net free cash flow before working capital of ($3.25M); EBITDA of (10.8M),; and adjusted EBITDA of $4.34M.
  • Heliostar Metals Ltd., presented Q3, 2025 production and financial results from their Mexican operations (currency is expressed in US dollars). At La Colorada, Sonora the company produced 5,311 Oz Au or 5,479 Oz AuEq and sold 4,122 Oz Au or 4,229 Oz AuEq at cash and AISC of USD $1,592 and $1,648 per Oz AuEq. At San Agustin, Durango, Heliostar produced 3,638 Oz Au or 3,686 Oz AuEq and sold 3,430 Oz Au or 3,480 Oz AuEq at cash and AISC of $1,389 and $1,587 per Oz AuEq. At Ana Paula, Guerrero, the company spent $3.9M in development and exploration, and announced that it progressed its ongoing 15,000m drilling program with the goal of delivering mineral reserves to support a 10-year life of mine in the Feasibility Study planned to be released in H1, 2027. At Cerro del Gallo, Guanajuato, it conducted advanced study works towards releasing a Pre Feasibility Study. Results of this study are planned to be released in the coming weeks. Consolidated operational and financial results are shown in the table below:

ON FINANCING

  • Silver Viper Minerals Corp., announced a non-brokered private placement for gross proceeds of up to CAD $12M from the sale of up to 15,000,000 of units at a price of CAD $0.8 per unit. Later on, the company upsized to up to 18,750,000 of units at a price of CAD $0.8 per unit for gross proceeds of up to $15M. Gross proceeds will be used for working capital requirements and other general corporate purposes (La Virginia project, Sonora).
  • Alamos Gold Inc., declared a quarterly dividend of USD $0.025 per common share. The dividend is payable on December 18, 2025 to shareholders of record as of the close of business on December 4, 2025. Alamos also informed that it repurchased 928,729 shares at a cost of USD $28.8M, or $30.96 per share, under its Normal Course Issuer Bid (NCIB) thus far in November (Mulatos mine, Sonora).
  • Torex Gold Resources Inc., renewed its Normal Course Issuer Bid (NCIB), allowing the company to repurchase up to approximately 10% of its public float (about 8.13 million shares) over the period from November 21, 2025, to November 20, 2026. Torex had a total of 96,176,134 Common Shares issued and outstanding and a public float of 81,334,308 Common Shares. The buyback program, which was previously active, is designed to return capital to shareholders and is flexible, enabling Torex management to purchase shares on the open market as market conditions allow, with a daily maximum purchase limit. The company has already executed some share repurchases under the current NCIB at an average price of around CAD $46.78 per share. Beyond the buyback, Torex’s strategic objectives include advancing the Media Luna project in Guerrero to full production, optimizing existing operations, expanding reserves and resources, and pursuing disciplined growth while maintaining responsible mining practices.
  • Vizsla Silver Corp., announced that it plans to raise USD $250M through the issuance of convertible senior notes due 2031. The proceeds will be used to support exploration and development of its Panuco silver-gold project in Sinaloa, fund potential acquisitions, and cover general corporate expenses. A portion of the funds will also be allocated to purchase capped call transactions, which are designed to offset potential dilution from the conversion of the notes. The company can redeem the notes and holders have repurchase rights under some events. The offering is subject to certain conditions, including regulatory approvals and the notes will be convertible into shares or cash, with specific terms to be determined based on market conditions.

ON RESOURCES AND DEVELOPMENT

  • Silverco Mining ltd., engaged SGS Canada Inc., to validate and update Mineral Resource Estimate (MRE) at Cusi mine, Chihuahua. The MRE will be prepared in accordance with NI43-101 Standards of Disclosure for Mineral Projects and will incorporate new data and expand the scope of the previous historical estimate. The updated MRE is expected later this quarter.
  • GR Silver Mining Ltd., released results from drill hole SMS25-12 collared at San Marcial Area in its Plomosas project in Sinaloa. It intersected two silver mineralized zones with multiple intervals of high grade, extending the mineralization approximately 75m below the current San Marcial Resource Area. This hole encountered 124 g/t Ag, 0.1% Pb, and 0.2% Zn over 9.6m, including 284 g/t Ag, 0.1% Pb, and 0.5% Zn over 2m, plus 232 g/t Ag, 0.02g/t Au, and 0.1% Zn over 5m, including 956 g/t Ag, 0.02 g/t Au and 0.1% Zn. Hole SMS25-12 confirms the continuity of the hydrothermal breccia for at least 400m below surface and suggest potential to expand resources. A step-out drilling program is being planned for the first half of 2026.
  • Kootenay Silver Inc., published results from the first seven drill holes of the ongoing program at Columba project in Chihuahua. This 50,000m drilling program aims to extend and expands known mineralization on the extensive Columba vein system. Drilling highlights (TW reported) include hole CDH-25-218 on I Vein Area with 303 g/t Ag, 0.08 g/t Au, 0.7% Pb, and 2-1% Zn over 2-34m, including 921 g/t Ag, 0.12 g/t Au, 2.6% Pb, and 6% Zn over 0.41m, plus 28 g/t Ag, 0.22 g/t Au, over 15-93m, including 847 g/t Ag, 0.18 g/t Au, 0.4% Pb, and 0.3% Zn over 0.32m, plus 32 g/t Ag and 0.21 g/t Au, over 7.08m, plus 255 g/t Ag, 0.4% Pb, and 1.7% Zn over 0.74m, plus 26 g/t Ag, 0.32 g/t Au, and 0.1% Zn over 9.44m; and hole CDH-25-214 on D Vein with 45 g/t Ag and 0.1% Zn over 2.42m, including 185 g/t Ag, 0.1% Pb, and 0.1% Zn over 0.23m, plus 57 g/t Ag and 0.1% Zn over 1.59m, plus 231 g/t Ag, 0.2% Pb and 0.8% Zn over 0.39m, plus 108 g/t Ag, 0.1% Pb, and 0.2% Zn over 4.83m, including 362 g/t Ag, 0.1% Pb, and 0.2% Zn over 0.69m, plus 90 g/t Ag, 0.1% Pb, and 0.2% Zn over 2.07m, ´plus 102 g/t Ag, 0.2% Pb, and 0.2% Zn over 2.07m, plus 104 g/t Ag, 0.1% Pb, and 0.2% Zn over 0.23m. The company also reported the discovery of porphyry style gold mineralization along I Vein hosted in breccias and feldspar porphyries in holes CDH-25-217 and 218, with the identification of classic B style veins plus or minus molybdenite along with disseminated pyrite and unidirectional solidification textures.
  • Silverco Mining Ltd., released drill results from its 15,000m 2025 drill program at Cusi mine in Chihuahua. Drilling highlights include hole CU-25-35 (San Miguel Zone) with 0.16 g/t Au, 180 g/t Ag, 0.3% Pb, 1% Zn (194 g/t AgEq) over 1.5m, plus 0.32 g/t Au, 334 g/t Ag, 2.7% Pb, and 3.1% Zn (425 g/t AgEq) over 3.4m, including 1.05 g/t Au, 1,075 g/t Ag, 9.9% Pb, and 10.6% Zn (1,409 g/t AgEq) over 0.8M; hole CU-25-33 (San Miguel Zone) with 0.45 g/t Au, 427 g/t Ag, 1.6% Pb, and 6.5% Zn (554 g/t AgEq) over 1.2m, plus 0.18 g/t Au, 241 g/t Ag, 0.7% Pb, and 1.9% Zn (272 g/t AgEq) over 0.6m; hole CU-25-34 (Eduwiges Zone) with 0.21 g/t Au, 67 g/t Ag, 2.4% Pb, and 7.6% Zn (259 g/t AgEq) over 1.1m; and hole CU-25 36a (Eduwiges Zone) with 3.17 g/t Au, 231 g/t Ag, 11.2% Pb, and 10.7% Zn (764 g/t AgEq) over 1.5m. These are the last drill results to be included in the upcoming Mineral Resource Estimate update, which is expected to publish in December 2025.
  • IMPACT Silver Corp., presented results from its underground drilling program in the Juarez Zone at its Plomosas mine in Chihuahua. Drill results lie outside of the JORC mineral resource blocks published by the previous operator. Juarez Zone remains open for exploration. The table below shows a summary of the drill results:

ON DEALS AND CORPORATE ISSUES

  • Discovery Silver Corp., announced a number of management appointments, including Raymond Yip as Chief Information Officer, Kara Byrnes as Vice President Exploration and Geology-Porcupine,  Gerry Stinson as Vice President, Environment, Porcupine Operations, and Amanda Kasner as Vice President, Business Optimization (Cordero project, Chihuahua).
  • GR Silver Mining Ltd., appointed Cástulo Molina Sotelo as Country Manager, Mexico (Plomosas project, Sinaloa).
  • Mexican Gold Mining Corp., informed that it will host its annual general meeting of shareholders on December 10, 2025 (Las Minas project, Veracruz).
  • Radius Gold Inc., appointed Alejandro Ly as Vice President Exploration (Amalia project, Chihuahua).
  • Santacruz Silver Mining Ltd., announced the appointment of Bruce Wolfson to its Board of Directors, effective November 17, 2025. The Company also announces that Mr. Roland Löhner has notified the Company that he intends to step down from the board of directors following the upcoming annual general and special meeting on November 25, 2025 (Zimapan mine, Hidalgo).
  • Vizsla Royalties Corp., congratulated Vizsla Silver Corp., on the positive results of the Feasibility Study on the Panuco project, Sinaloa.
  • Garibaldi Resources Corp., proposed extension of warrant expiry dates and announced that it has applied to the TSX Venture Exchange to extend the expiry dates of certain warrants issued in December 2022 from December 2025 to December 2027. The exercise prices of these warrants will remain unchanged at CAD $0.40 and CAD $0.45. The extension is subject to exchange approval. The company aims to give warrant holders additional time to exercise their warrants, potentially supporting continued investor interest and capital raising opportunities (Rodadero project, Sonora). 
  • Apollo Silver Corp., granted Restricted Share Units (RSUs) to certain officers and directors. The Company granted an aggregate of 750,000 RSUs. The RSUs vest in three equal tranches over 36-months. Upon vesting, each RSU entitles the holder to receive one common share of the Company. (Cinco de Mayo project, Chihuahua).
  • VVC Resources announced its strategic decision to exit the Gloria Copper Project in Chihuahua, due to high maintenance costs, political instability, and safety concerns, despite its geological potential. The company will instead focus its exploration efforts on the Cumeral Gold Project in Sonora, which offers better permitting prospects, strong local support, and significant upside potential.
  • Alamos Gold Inc., declared a quarterly dividend of USD $0.025 per common share. The dividend is payable on December 18, 2025 to shareholders of record as of the close of business on December 4, 2025. Alamos also informed that it repurchased 928,729 shares at a cost of USD $28.8M, or $30.96 per share, under its Normal Course Issuer Bid (NCIB) thus far in November (Mulatos mine, Sonora).
  • Masivo Silver Corp., secured a 10 year land-use and access agreement for the private property where the Cerro Colorado project in Sonora is located. The agreement grants the Company full rights to rehabilitate or construct access roads, establish drill pads and core storage facilities, set up temporary camps and offices, and conduct drilling, sampling, and mineral extraction activities—subject to the required environmental permits. The land-use agreement is a prerequisite to obtaining these permits and ensures compliance with local and federal environmental regulations.

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 normal fault in an outcrop of the Upper Volcanic Supergroup of extensive silicic ignimbrites in Chihuahua, Mexico. Photo taken by Miguel A Heredia.

The Mining and Exploration News in Mexico: Highlights on the Second Week of July 2025

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By Jorge Cirett

During the 28th week of the year (July 7th to July 13th, 2025), companies working in Mexico presented 38 press releases. Two companies presented news on one early-stage property. Five companies presented quarterly operational updates. Seven companies reported on financial rounds; one company requested a trading halt, another is trading now in the OTCID Market and another was re-listed on the TSX. Two companies presented drilling results from operating mines; two companies presented channel sample results from their projects; another company updated on its environmental permit.  Eleven companies reported on deals, acquisitions, payments, activities, arbitration procedures, spinouts, AGM’s and sales. ON MEXICO ISSUES, no relevant news. ON EXPLORATION, In Sonora, Questcorp Mining is preparing for drilling at La Union. Fortuna Mining is not proceeding with the Cecilia project option. ON MINING, Endeavour Silver, GoGold Resources, Sandstorm Gold, Torex Gold and Orla Mining presented preliminary operational/production for Q2 2025. ON FINANCING, seven companies informed on financing rounds: Silver Strom Mining (C$4 M), Aura Minerals (US$210 M), Mithril Silver and Gold (C$11.5 M), Sonoran Desert Copper (C$1 M), Endeavour Silver (US$60 M), Silver Viper (C$3.5 M) and Orogen Royalties (C$10 M). Mithril Silver and Gold shares would have halted trading during the week. Royalties Inc. started trading in the OCID Market. Orogen Royalties re-listed in the TSX. ON RESOURCES AND DEVELOPMENT, Mithril Silver and Gold updated on exploration progress at Copalquin, in Durango. Impact Silver released drilling results from Campo Morado, in Guerrero. Impact Silver presented results from drilling at Plomosas, in Chihuahua. GR Silver reported underground channel sample results from the Plomosas mine in Sinaloa (Yes, a Plomosas mine in Chihuahua and another Plomosas mine in Sinaloa). Sonora Gold updated on the status of the environmental permit for its Cerro Caliche project in Sonora. ON DEALS AND CORPORATE ISSUES, Mag Silver reminds shareholders of the upcoming voting deadline on the company’s acquisition by Pan American Silver. Santacruz Silver Mining made a further payment on the Bolivian assets acquisition. Altius Minerals updated on its project generation business activities. Almaden Minerals made public the memorial on the arbitration procedure alongside Almadex Minerals Ltd. with Mexico under the CPTPP. Royal Gold is to acquire Sandstorm Gold. Starcore International Mines is to spin its West Africa interests. Kingsmen Resources is to acquire the Almoloya project in Chihuahua. Triple Flag Precious Metals is to acquire Orogen Royalties. Silver Storm Mining is acquiring all shares from Till Capital. Starcore International Mines is to acquire the Tortilla project in Queretaro. Almaden Minerals sold a mill and paid an outstanding gold loan to Almadex Minerals. ON SOCIAL RESPONSIBILITY, no relevant news.

ON MEXICO ISSUES

  • No Relevant News.  

ON EXPLORATION

  • Riverside Resources Inc. and Questcorp. Mining Inc. are preparing for the maiden drill program at the 2,520 ha La Union project in Sonora. The drilling will follow up on new geophysical and geochemical surveys in the search of a carbonate replacement (CRD) deposit. The program envisages 1,500 m of drilling in 7 holes 150-350 m deep to test at least three areas with historic mines.

ON MINING

  • Endeavour Silver Corp. reported second quarter 2025 production of 1.48 M Oz Ag, 7,755 Oz Au, or 2.5 M Oz AgEq. This is the first quarter that includes figures from a mine not in Mexico (Kolpa, Peru). At Guanaceví, in Durango, 96.8 K tonnes were processed (1,064 tpd), averaging 362 gpt Ag, 1.28 gpt Au, recovering 88.6% Ag, 89.7% Au, to produce 997.9 K Oz Ag, 3,562 Oz Au or 1.28 M Oz AgEq. At Bolañitos in Guanajuato, 88.1 K tonnes were processed (968 tpd) averaging 45 gpt Ag, 1.68 gpt Au, recovering 82.4% Ag, 88.3% Au, to produce 105.2 K Oz Ag, 4,193 Oz Au, or 440.7 K Oz AgEq. On Terronera, in Jalisco, the commissioning and ramp-up continues, with an average output during June of 1,232 tpd. “During commissioning of the plant, the underground mine has continued with mine development and stope preparation”.
  • GoGold Resources Inc. reported Q2 2025 production from its Parral tailings operations. The company produced during the period 201.6 K Oz Ag, 3,100 Oz Au, 128 tonnes Cu, 140 tonnes Zn (555 K Oz AgEq).
  • Sandstorm Gold Ltd. reported preliminary figures for the second quarter 2025. During the period the company sold 15,100 attributable Oz AuEq realizing US$51.4 M, with an operating margin of US$2,980 per Oz AuEq. By the end of the period the outstanding balance of the company’s revolving credit facility was US$315 M, with an undrawn balance of US$310 M (Royalty in Cosalá, Sinaloa).
  • Torex Gold Resources Inc. reported Q2 2025 production of 82,856 Oz AuEq. During the period the company mined at a rate of 2,133 tpd at the ELG open pit, moving waste at 9,313 tpd, mined at a rate of 2,790 tpd and 4,278 tpd from ELG underground and Media Luna Underground respectively, to mine at a total rate of 8,887 tpd in the Morelos Complex in Guerrero. The ore processed graded 2.92 gpt Au, 20.5 gpt Ag, 0.54% Cu, recovering 93.5% Au, 63% Ag, 84.4% Cu, to produce 69,576 Oz Au, 336.5 K Oz Ag, 8 M Lb Cu.
  • Orla Mining Ltd. provided an operational update for the second quarter of 2025, including figures from its operations in Mexico. At Camino Rojo in Zacatecas, 2.0 M tonnes were mined and 2.6 M of waste moved, for a strip ratio of 1.33. A total of 2.6 M tonnes of ore grading 0.57 gpt Au were stacked on the heaps and 25,45 Oz Au produced.  

ON FINANCING

  • Silver Storm Mining Ltd. closed the second and final tranche of its previously announced non-brokered private placement for total gross proceeds of C$130 K, for aggregate gross proceeds of C$4 M (La Parrilla, Durango).
  • Aura Minerals Inc. announces the launch of its United States public offering of common shares, seeking to raise around US$210 M (Aranzazu, Zacatecas).
  • Mithril Silver and Gold Ltd. announced on 9 July 2025 its securities trading on the ASX will be halted on the request of Mithril pending the release of announcements by MTH, until the commencement of trading on July 11, 2025 (Copalquin, Durango).
  • Sonoran Desert Copper Corp. received approval from the TSX Venture Exchange to close its private placement financing for gross proceeds of C$1 M (Cuatro Hermanos, Sonora).
  • Endeavour SilverCorp. Entered into a sales agreement with BMO Capital Markets Corp., TD Securities LLC, Ventum Financial Corp., National Bank of Canada Financial Inc., Raymond James Ltd., H.C. Wainwright & Co. LLC and ING Financial Markets LLC pursuant to which the company at its discretion may sell common share for up to US$60 M in gross proceeds (Terronera, Jalisco).
  • Royalties Inc. announced the launch of trading on the OTCID Market in the US (claims a royalty on Cozamin, Zacatecas).
  • Orogen Royalties Inc. is re-listing on the TSX Venture Exchange. The re-listing is a result of the plan of arrangement that was completed by the Company and Triple Flag Precious Metals Corp. on July 9, 2025. Concurrently with the Arrangement, Triple Flag also completed a C$10.0 M strategic private placement by subscribing Orogen shares (royalty on Ermitaño, Sonora).
  • Silver Viper Minerals Corp. closed its non-brokered private placement for aggregate gross proceeds of C$3.48 M (La Virginia, Sonora).
  • Mithril Silver and Gold Ltd. raised up to C$11.5 M in its previously announced private placement (Copalquin, Durango).

ON RESOURCES AND DEVELOPMENT

  • Mithril Silver and Gold Ltd. updated on exploration progress at Copalquin, in Durango. Drilling is to commence at Target 5 this month, after strong geochemical results from channel sampling, while drilling at Target 3 will follow later this quarter. Continuous mineralization has been mapped across 8 km, with 1,200 m of vertical extent. Highlighted channel samples at Targets 2, 3, 4 and 5 comprise 0.50 m @ 6.21 gpt Au, 265 gpt Ag; 1.00 m @ 19.85 gpt Au, 270 gpt Ag, 0.90 m @ 12.40 gpt Au, 820 gpt Ag; 0.50 m @ 13.25 gpt Au, 558 gpt Ag; 0.70 m @ 5.92 gpt Au, 392 gpt Ag; 0.65 m @ 5.67 gpt Au, 365 gpt Ag; 0.50 m @ 5.80 gpt Au; 0.90 m @ 8.03 gpt Au, 108 gpt Ag. Highlighted soil samples from the San Manuel mine area comprise 4.10 gpt Au, 83 gpt Ag; 2.73 gpt Au, 102 gpt Ag; 5.66 gpt Au, 154 gpt Ag; 5.77 gpt Au, 139 gpt Ag; 4.13 gpt Au, 120 gpt Ag; 5.03 gpt Au, 237 gpt Ag; 2.53 gpt Au, 20 gpt Ag.
  • Impact Silver Corp. released drilling results from underground drilling on the Juarez zone at its Plomosas mine in Chihuahua. Highlighted true width intercepts comprise 0.61 m @ 25 gpt Ag, 1.4% Pb, 6.3% Zn; 2.23 m @ 15 gpt Ag, 4.2% Pb, 9.9% Zn; (including 1.01 m @ 24 gpt Ag, 7.9% Pb, 17.2% Zn); 2.02 m @ 8 gpt Ag, 0.6% Pb, 13.0% Zn (including 0.81 m @ 14 gpt Ag, 0.3% Pb, 30.1% Zn); 3.94 m @ 8 gpt Ag, 0.3% Pb, 10.4% Zn (including 1.70 m @ 11 gpt Ag, 0.2% Pb, 21% Zn); 2.79 m @ 18 gpt Ag, 1.9% Pb, 4.8% Zn; 5.78 m @ 18 gpt Ag, 1.9% Pb, 4.8% Zn; 6.14 m @ 13 gpt Ag, 0.5 % Pb, 6.0% Zn (including 1.07 m @ 18 gpt Ag, 0.1% Pb, 24.9% Zn); 7.59 m @ 15 gpt Ag, 2.0% Pb, 4.2% Zn; 2.57 m @ 10 gpt Ag, 0.3% Pb, 10.7% Zn.
  • Luca Mining Corp. announced results from the first surface drill hole at the Reforma deposit and the next four underground drill holes as part of the phase one 2,500 m surface and 5,000 m underground drilling. Highlighted core length intervals comprise 21.52 m @ 4.24 gpt Au, 159 gpt Ag, 0.38% Cu, 2.1% Pb, 6.2% Zn (including 15.05 m @ 5.35 gpt Au, 188 gpt Ag, 0.31% Cu, 2.8% Pb, 8.4% Zn) on the Reforma deposit from the surface and 1.6 m @ 0.89 gpt Au, 60 gpt Ag, 0.48% Cu, 0.4% Pb, 1.9% Zn; 11.0 m @ 0.32 gpt Au, 99 gpt Ag, 4.20% Cu, 0.2% Pb, 1.6% Zn; 2.2 m @ 0.20 gpt Au, 30 gpt Ag, 0.47% Cu, 2.8% Zn; 6.1 m @ 0.17 gpt Au, 26 gpt Ag, 0.19% Cu, 0.1% Pb, 1.9% Zn; 2.3 m @ 0.49 gpt Au, 53 gpt Ag, 0.65% Cu, 0.6% Pb, 0.2% Zn; 6.4 m @ 0.72 gpt Au, 49 gpt Ag, 0.54% Cu, 0.2% Pb, 1.1% Zn; 2.20 m @ 1.09 gpt Au, 76 gpt Ag, 0.93% Cu, 0.3% Pb, 1.5% Zn; 21.5 m @ 4.24 gpt Au, 159 gpt Ag, 0.38% Cu, 2.0% Pb, 6.2% Zn (including 3 m @ 9.68 gpt Au, 277 gpt Ag, 0.36% Cu, 2.8% Pb, 8.6% Zn).
  • GR Silver Mining Ltd. reported results from underground sampling at the Plomosas mine in Sinaloa. Highlighted channel mine face samples comprise 0.8 m @ 5.74 gpt Au, 137 gpt Ag, 0.5% Cu, 16.7% Pb, 18.2% Zn; 1.0 m @ 2.32 gpt Au, 909 gpt Ag, 0.3% Cu, 6.7% Pb, 8.8% Zn; 1.2 m @ 0.54 gpt Au, 96 gpt Ag, 0.6% Cu, 29.8% Pb, 16.8% Zn; 0.8 m @ 0.18 gpt Au, 28 gpt Ag, 29.5% Pb, 5.0% Zn; 0.6 m @ 15.20 gpt Au, 310 gpt Ag, 7.2% Cu, 15.2% Pb, 26.2% Zn; 1.0 m @ 0.55 gpt Au, 68 gpt Ag, 0.1% Cu, 2.5% Pb, 5.1% Zn; 1.0 m @ 0.07 gpt Au, 864 gpt Ag, 0.1% Pb, 0.2% Zn. The results will be used to assess the implementation of a bulk sample test mining.
  • Sonoro Gold Corp. provided an update on the status of the environmental impact statement (Manifiesto de Impacto Ambiental, or MIA) for its Cerro Caliche project in Sonora. “The revised MIA was initially submitted in February 2025 and supersedes the prior MIA submitted in May 2022. Revisions to the MIA, including enhancing the mine plan and undertaking additional environmental baseline studies and socio-economic assessments … The MIA details an open-pit, heap leach mining operation including waste dumps, crushing facilities, heap leach pad, leach solution ponds, gold recovery facilities, haul roads, building structures and infrastructure”.

ON DEALS AND CORPORATE ISSUES

  • Mag Silver Corp. reminded shareholders about the proxy voting deadline for the company’s upcoming special meeting that was held in person in Vancouver, Canada on July 10, 2025, to consider the previously announced plan of arrangement with Pan American Silver Corp. regarding Magg Silver’s acquisition by Pan American (Juanicipio, Zacatecas).
  • Riverside Resources Inc. has received notice from Fortuna Mining that it has completed Phase 2 exploration work on the Cecilia project in Sonora and will not be proceeding with the option agreement. As a result, Fortuna has not earned any interest in the project.
  • Santacruz Silver Mining Ltd. has made the third payment of US$7.5 M to Glencore to satisfy the base purchase Price related to the Bolivian assets acquisition. It is part of a structured payment plan totaling US$40 M to be completed by October 31, 2025 (Zimapán, Hidalgo).
  • Altius Minerals Corp. updated its project generation business activities and its public junior equities portfolio. Overall performance of the portfolio during the quarter was largely driven by its holding of approximately 19.6% interest in Orogen Royalties Inc., which holds a royalty on the Ermitaño deposit, in Sonora. AbraSilver Resource Corp. announced a potential new porphyry copper discovery at the La Coipita project in Argentina.
  • Almaden Minerals Ltd. made public the memorial on the arbitration procedure alongside Almadex Minerals Ltd. with Mexico filed in March of this year under the Comprehensive and Progressive Agreement for Trans-Pacific Partnership (CPTPP). The memorial details how Mexico unlawfully expropriated the Claimants’ investments, failed to provide fair treatment, and discriminated against them. The background to the claim involves a lawsuit filed in 2015 by an ejido community against the Mexican government, arguing that the mineral title system was unconstitutional because it lacked required Indigenous consultation. In February 2023, the authorities sought to retroactively deny the original mineral title applications due to alleged minor faults, which Almaden contends breaches both Mexican and international law.  Damages sought by the Claimants total approximately US$1.06 B (Ixtaca, Puebla).
  • Sandstorm Gold Ltd. and Royal Gold Inc. informed that Royal Gold will acquire all of the issued and outstanding common shares of Sandstorm in an all-share transaction with a value of approximately US$3.5 B. Sandstorm shareholders will receive a 21% premium to the 20-day volume weighed average price (VWAP). Concurrent with the Sandstorm Transaction, Royal Gold has entered into a definitive arrangement agreement with Horizon Copper Corp., pursuant to which Royal Gold will acquire all of the issued and outstanding common shares of Horizon Copper in an all-cash transaction valued at approximately US$196 M providing an 85% premium to the 20-day VWAP (Royalty on Cosalá, Sinaloa).
  • Starcore International Mines Ltd. intends to spin out its exploration interests in Cote d’Ivoire, West Africa, through its wholly-owned subsidiary EU Gold Mining Inc. that will seek a separate listing in Canada (Juarez, Queretaro).
  • Kingsmen Resources Ltd. entered into a non-binding letter of intent (LOI) for an option to acquire the recently consolidated 866 ha Almoloya project on the Parral district in Chihuahua. The project includes the past producing Cigarrero and Las Juliettas mines. Historic production was 1.25 M tonnes @ 600 gpt Ag, 40% Pb, 25% Zn with variable Cu-Au. The company has a 60-day due diligence period under the LOI, and the option may be exercised by paying a total of US$8.6 M over eight years on staged payments, of which US$6.5 M should be paid between years five and eight of the option. The optionors will keep a 2.5% NSR, of which 1% can be bought for US$3 M (Cuatro Hermanos, Sonora).
  • Orogen Royalties Inc. and Triple Flag Precious Metals Corp. have completed the previously announced plan of arrangement in which Triple Flag has acquired all of the issued and outstanding common shares of Orogen for a total consideration of approximately C$421 M. The total consideration consists of $171.5 M in cash, $171.5 M in Triple Flag shares, and shares of 1537944 BC Ltd. (“Orogen SpinCo”) with an implied value of $78 M (Royalty on Ermitaño deposit, Sonora).
  • Silver Storm Mining Ltd. announced that “at a special meeting of the shareholders of Till Capital Corporation … the Till shareholders approved the previously announced transaction of Till with the Company, whereby Silver Storm will indirectly acquire … 100% of the issued and outstanding common shares of Till” (La Parrilla, Durango).
  • Starcore International Mines Ltd. entered into a non-binding letter of intent (LOI) with Manuel Felipe Arreguin Martinez to lease six mineral claims and two properties comprising the San Juan Nepomuceno Project, also known as the Tortilla Project, in Queretaro. The project is 40 km NE from the San Martin mine and 5 km W from La Negra mine. For a five-year lease the company is paying the owner US268 K, of which US$107 K are to be paid on signing of the definitive agreement and US$27 K monthly for the next six months, after which the owner is entitled to a 2% NSR from production derived from the Tortillas project. “During the term of the ten-year lease, the Owner has the option to sell all of the claims and concessions to Starcore at a purchase price of US$7,000.000” (San Martin, Queretaro).
  • Almaden Minerals Ltd. closed the sale of certain assets comprising the Rock Creek Mill to Metals Exploration PLC., receiving gross proceeds of US$9.7 M. “15% of the Purchase Price was payable as a commission by Almaden to an equipment sales broker.”. Almaden will now proceed with the early repayment of the outstanding gold loan pursuant to the secured gold loan agreement between Almaden and Almadex Minerals Ltd. “The Gold Loan will be settled by the return of the undrawn balance of 397 ounces” (Ixtaca, Puebla).

ON SOCIAL RESPONSIBILITY

  • No Relevant News.

On the image below: Previous igneous phase fragment on monzonite porphyry. Picture by Jorge Cirett.