non-brokered private placement
SONORO GOLD ANNOUNCES INCREASE IN PRIVATE PLACEMENT TO $15 MILLION
SOUTHERN EMPIRE INCREASES PRIVATE PLACEMENT TO $1,750,000 CAD
The Mining and Exploration News in Mexico: Highlights on the Third Week of May, 2026

Quartz Vein Displaying Boiling Texture
By Miguel A Heredia
During the 21st week of the year (May 18 to May 24, 2026), at least 31 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, five addressed Mexican-related issues, four covered resource and development updates, three reported production results, three presented exploration results, three announced financing activities, and two discussing social issues. ON MEXICO ISSUES, Almaden provided an update to the international arbitration proceedings under the Comprehensive and Progressive Agreement for Trans-Pacific Partnership with the United Mexican States. The Federal Mexican Government, through the Secretariat of Economy eliminates one procedure and simplifies 42 for mining investment. Sierra Madre received approval from the the Comisión Federal de Competencia Económica (COFECE) for the acquisition of the Del Toro Silver mine in Zacatecas. Mexican courts ruled that Capstone Copper owes unpaid royalties to Minera Portree de Zacatecas, S.A. de C.V (Royalties Inc) since 2019 on the Cozamin Mine, Zacatecas. Oroco and GR Silver reported the best drilling intercepts in Mexico on the third week of May, 2026. ON EXPLORATION, In Sonora, Masivo Silver informed that it completed its Phase 1 drill program at Cerro Colorado project, which consisted of seven holes totaling 1,601m, and JV Questcorp-Riverside reported that they have completed an expanded aeromagnetic drone survey at the La Union project. ON MINING, IMPACT Silver and Sierra Madre reported Q1, 2026 operational and financial results. Starcore reported production and financial results for the four fiscal quarter ended April 2026. ON FINANCING, Vortex notified further extension of its previously announced non-brokered private placement. Sonoro Gold announced a non-brokered private placement for gross proceeds of CAD $10M. Kootenay informed that it intends to complete a non-brokered private placement for gross proceeds of up to CAD $500K. ON RESOURCES AND DEVELOPMENT, GR Silver released the best ever drill results at its San Marcial project in Sinaloa in hole SMS26-04, which intersected 45.1 m of 1,623 g/t Ag, Including 8.25 m of 8,579 g/t Ag,. Oroco reported drill results from its Santo Tomas project in Sinaloa. Silverco filed a NI 43-101 Technical Report for its Cusi mine, Chihuahua. Silver Storm released drill results from the C550 and C535 Zones within its Parrilla mine complex in Durango, and expands its 2026 drilling campaign by 9,000m. ON DEALS AND CORPORATE ISSUES, Alamos Gold announced multiple management appointments, further strengthening its senior leadership team. Torex Gold announced the appointment of Dan Rollins as Chief Financial Officer. Minera Alamos has provided its notice of intent to exercise its option to repurchase a portion of the net smelter return royalty equal to 0.75% on the Cerro de Oro project located in northern Zacatecas. Vizsla appointed Dave D ´Antonio as Senior Vice President of Technical Services. Silver Spruce granted stock options to certain directors, officers, employees and consultants. Silverco completed its previously announced acquisition of Nuevo Silver Inc. Silver Tiger announced that the Toronto Stock Exchange has approved the listing of the Company’s common shares for trading on the TSX. Vizsla Silver appointed Guillermo Hernandez as Vice President Exploration and promotes Jesus Velador as Chief Geologist. GR Silver announced a celebration of Life for founder Márcio Fonseca. Silver Wolf announced adoption to semi-annual financial reporting. Americas Gold and Silver reached an agreement with Sprott Mining to terminate the remaining obligation under the existing Silver Delivering Agreement in exchange for shares of the company. GR Silver provided a corporate update following the exceptional drill results at San marcial within its Plomosas project, Sinaloa. ON SOCIAL RESPONSIBILITY, Aura Minerals announced its 2025 Sustainability Report promoting safety, responsibility, sustainability, and innovation, prepared in with reference to Global Reporting Initiative standards. Heliostar published its inaugural Sustainability Report covering the 2025 fiscal year.
ON MEXICO ISSUES
- Almaden Provides Update on Arbitration Process with Mexico Increased Damages Award Presented: Almaden Minerals Ltd
- Federal Government Eliminates One Procedure and Simplifies 42 for Mining Investments: Chihuahua al Día – Noticias
- Mexican Courts Rule That Capstone Copper Owes Unpaid Royalties Since 2019 on the Cozamin Mine-Pending Amparo: Royalties Inc
- Sierra Madre Receives Mexican Antitrust Approval for the Acquisition of the Del Toro Mine: Sierra Madre Gold and Silver Ltd
- Oroco Resource Corp., and GR Silver Mining Ltd reported the best drilling intercepts in Mexico on the third week of May, 2026. Details are shown in the table below:

- Mexico´s Best Drilling Intercepts. Third Week of May, 2026: Gambusino Prospector de Mexico SA de CV
ON EXPLORATION
- Masivo Silver Completes Phase 1 Drill Program at Cerro Colorado and Appoints Chief Financial Officer: Masivo Silver Corp
- Questcorp Mining and Riverside Resources Complete Expanded Drone Aeromagnetic Survey at La Union Project; Questcorp Mining Inc Riverside Resources Inc
ON MINING
- IMPACT Silver Announces Q1 2026 Financial Results with Revenue Nearly Tripling to $31.2Million and Record Net Income of $11.3 Million: IMPACT Silver Corp
- Sierra Madre Reports Strong Q1 2026 Financial Results, Record Quarterly Revenues: Sierra Madre Gold and Silver Ltd
- STARCORE Reports Fourth Quarter Production Results: Starcore International Mines Ltd
ON FINANCING
- Vortex Metals Announces Further Extension of Non-Brokered Private Placement: Vortex Metals Inc
- Sonoro Gold Announces $10 Million Private Placement: Sonoro Gold Corp
- Kootenay Resources Announces Non-Brokered Private Placement of up to $500,000: Kootenay Resources Inc
ON RESOURCES AND DEVELOPMENT
- GR Silver Reports Its Best Ever Drill Results at San Marcial: 45.1 m at 1,623 g/t Ag, Including 8.25 m at 8,579 g/t Ag, in Hole SMS26-04: GR Silver Mining Ltd
- Oroco Intersects 228 m of 0.49% CuEq and 212 m of 0.44% CuEq at Santo Tomás: Oroco Resource Corp
- Silverco Mining Files NI 43-101 Technical Report for the Cusi Project PEA: Silverco Mining Ltd
- Silver Storm Demonstrates Resource Growth Potential at the C550 Zone, Expands the 2026 drilling campaign by 9,000m: Silver Storm Mining Ltd
ON DEALS AND CORPORATE ISSUES
- Alamos Gold Announces Management Appointments: Alamos Gold Inc
- Torex Gold Announces Appointment of Chief Financial Officer: Torex Gold Resources Inc
- Minera Alamos Announces Partial Repurchase of a Royalty on Its Cerro de Oro Project: Minera Alamos Inc
- Vizsla Silver Appoints Senior Vice President, Technical Services: Vizsla Silver Corp
- Silver Spruce Resources Inc. Announces Grant of Options. Silver Spruce Resources Inc
- Silverco Mining Completes Acquisition of Nuevo Silver to Become the Newest Silver Producer: Silverco Mining Ltd
- Silver Tiger Metals Announces Graduation to the Toronto Stock Exchange: Silver Tiger Metals Inc
- Vizsla Silver Appoints Guillermo Hernandez as Vice President, Exploration & Promotes Jesus Velador to Chief Geologist: Vizsla Silver Corp
- GR Silver Announces a Celebration of Life for Founder Márcio Fonseca: GR Silver Mining Ltd
- Silver Wolf Adopts Semi Annual Financial Reporting: Silver Wolf Exploration Ltd
- Americas Gold and Silver Announces Agreement with Sprott Mining Inc., to Terminate Silver Delivery Agreement: Americas Gold and Silver Corporation
- GR Silver Provides a Corporate Update: GR Silver Mining Ltd
ON SOCIAL RESPONSIBILITY
- Aura Announces its 2025 Sustainability Report: Aura Minerals Inc
- Heliostar Publishes Inaugural Sustainability Report: Heliostar Metals Ltd
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 vein displaying boiling texture in a project in Sonora, Mexico. Photo taken by Miguel A Heredia.

Southern Silver Announces Non-Brokered LIFE Private Placement for Gross Proceeds of up to C$4.0 Million
J2 Metals Inc. Announces Closing of Flow-Through Private Placement
SONORO GOLD ANNOUNCES CLOSING OF OVERSUBSCRIBED $12.2M PRIVATE PLACEMENT
Vortex Metals Announces Extension of Non-Brokered Private Placement
The Mining and Exploration News in Mexico: Highlights on the Second Week of April, 2026

Quartz blade texture
By Miguel A Heredia
During the 15th week of the year (April 6 to April 12, 2026), at least 21 press releases were issued by companies operating in Mexico, along with one news article published by the media. Of these, five related to deals and corporate matters, five reported production results, four presented exploration results, three addressed Mexico-related issues, three announced financing activities, and two covered resource and development updates. ON MEXICO ISSUES, Vizsla provided an update on the situation in Concordia, Sinaloa, confirming that nine colleagues have been found deceased and one remains still missed. Mithril reported an incident where their CEO and two employees experienced on-ground gunfire damage to their plane while flying near Chihuahua, about 30 km from their Copalquin project site in Durango. Rescue operations continue amidst extreme conditions at the Santa Fe mine located in the Municipality of El Rosario, Sinaloa. Last April 8th, authorities reported the successful rescue of a second miner found alive and confirmed the discovery of a third worker who had perished, while the search persists for the final miner who remains trapped. ON EXPLORATION, In Sonora, Tocvan mobilized a second RC drill rig to its flagship Gran Pilar Gold-Silver Project, to accelerate their fully funded 20,000m drilling program by enabling parallel testing of multiple high-priority targets, primarily in the South Block area, and Masivo Silver completed and extended its first diamond drill hole (CC-26-001) at its Cerro Colorado project, intersecting a significant 35.1m interval of visible mineralization characterized by quartz veinlets and sulphide minerals such as pyrite, sphalerite, freibergite, galena, and minor chalcopyrite, accompanied by a strong sericite -smectite alteration. In Chihuahua, Kingsmen acquired 100% interest in the Claudia 2 mining concession, free of any royalty, at its Las Coloradas project. In Durango, Mithril released drill results from its Copalquin project, confirming high grade and widespread silver and gold at Target 3. ON MINING, Endeavour Silver reported Q1, 2026 results from their Mexican operations. Aura announced preliminary Q1, 2026 production results from its Aranzazu mine in Zacatecas. First Majestic reported Q1, 2026 production results from their underground mines in Mexico. Teck informed that it plans to release Q1, 2026 results on April 23, 2026. Torex Gold reported Q1, 2026 AuEq production of 100,874 Oz and AuEq sales of 109,222 Oz. ON FINANCING, Avino announced its intention to make a Normal Course Issuer Bid to repurchase, for cancellation up to an aggregate of 8,428,566 common shares. Sonoro Gold announced a private placement for gross proceeds of CAD $11M. Vortex Minerals closed the first tranche of its previously announced non-brokered private placement for gross proceeds of CAD $479,900. ON RESOURCES AND DEVELOPMENT, Heliostar drilled 101m of 5.34 g/t Au in the Ana Paula Expansion Zone in Guerrero; to date, it has completed 84 holes and 28,318m as part of its ongoing 2025-26 drill program at Ana Paula project. Orogen Royalties, which holds a cash-flowing 2% net smelter return royalty at Ermitaño—a property operated by First Majestic in Sonora—announced an updated Mineral Reserve and Resource Estimate. ON DEALS AND CORPORATE ISSUES, Mexican Gold appointed Holgren Lai as Chief Financing Officer of the company. Torex Gold announced the appointment of Jacques Perron to its Board of Directors. Mexican Gold and Alcon entered into an arrangement agreement to create a diversified precious metals exploration company. Pacifica Silver informed that it has adopted a semi-annual financial reporting, effective immediately. Sonoro Gold acquired a 100%binterest in the Diana mining concession, located adjacent to the central-eastern boundary of its Cerro Caliche project in Sonora. ON SOCIAL RESPONSIBILITY, No relevant news.
ON MEXICO ISSUES
- Vizsla Silver Provides Additional Update on situation in Concordia: Vizsla Silver Corp
- Mithril Silver & Gold – Market Update: Mithril Silver & Gold Limited
- Mina Santa Fe en Sinaloa: Lo que se sabe del rescate de los cuatro mineros atrapados tras el derrumbe: El Economista – Maria Fernanda Sosa Santiago
ON EXPLORATION
- Tocvan Announces Addition of Second Drill Rig and Accelerates High Priority Drill targets at Flagship Gran Pilar Gold-Silver Project: Tocvan Ventures Corp
- Masivo Silver Extends and Completes First Hole at Cerro Colorado Project: Masivo Silver Corp
- Kingsmen Acquires 100% Ownership of the Claudia 2 Claim, Adding Never-Drilled Saddle target and District-Scale Extension to Las Coloradas Silver-Gold Project: Kingsmen Resources Ltd
- Mithril Confirms High-Grade and Widespread Silver and Gold at target 3, Copalquin Project: Mithril Silver and Gold Limited
ON MINING
- Endeavour Silver Produces 1,875,375 Oz Silver and 11,740 Oz Gold, for a total of 3.3 Millio Silver Equivalent Oz in Q1, 2026: Endeavour Silver Corp
- Aura Announces Preliminary Q1 2026 Production Results, another record high and on track with the Company Guidance: Aura Minerals Inc
- First Majestic Reports Q1 2026 Production Results: First Majestic Silver Corp
- Teck to Release First Quarter 2026 Results on April 23, 2026: Teck Resources Limited
- Torex Gold Reports Q1 2026 Production Results: Torex Gold Resources Inc
ON FINANCING
- Avino Announces Normal Course Issuer Bid for common shares: Avino Silver & Gold Mines Ltd
- Sonoro Gold Announces Fully-Committed $11 Million Private Placement & 50,000 METER Drilling Program: Sonoro Gold Corp
- Vortex Metals Closes First Tranche of Non-Brokered Private Placement and Announces Warrant Extension: Vortex Metals Inc
ON RESOURCES AND DEVELOPMENT
- Heliostar Drills 101 Metres Grading 5.34 g/t Gold in the Ana Paula Expansion Zone: Heliostar Metals Ltd
- Orogen Royalties Announces Mineral Reserve and Resource Update on Producing Ermitaño Royalty: Orogen Royalties Inc
- Sonoro Gold Announces Further Expansion of Cerro Caliche Gold Property: Sonoro Gold Corp
ON DEALS AND CORPORATE ISSUES
- Mexican Gold Announces Change of Chief Financial Officer: Mexican Gold Mining Corp
- Torex Gold Welcomes Jacques Perron to Its Board of Directors: Torex Gold Resources Inc
- Mexican Gold Mining Corp., and Alcon Silver Corp., Announce Arrangement Agreement to Create a Diversified Precious Metals Exploration Company: Mexican Gold Mining Corp., and Alcon Silver Corp
- Pacifica Silver Announces Adoption of Semi-Annual Reporting: Pacifica Silver 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, quartz vein displaying boiling texture in a low-sulphidation epithermal vein system in Guanajuato, Mexico. Photo taken by Miguel A Heredia.
