Riverside Resources and Questcorp Announce Commencement of Phase 2 Drilling at Union Project, Sonora, Mexico

Riverside Resources and Questcorp Mining have begun a fully funded 1,500-metre Phase 2 diamond drilling program at the La Union Project in Sonora, Mexico. The campaign will test both sediment-hosted gold and CRD-style gold-silver-zinc mineralization, following encouraging Phase 1 results. Drill targeting incorporates recent mapping, drone magnetic surveys, and IP geophysics, with results expected to generate steady news flow through summer 2026.

First Gavilanes Drill Hole Intersects Broad High Grade Silver Zone

Advance Metals reported strong initial drilling results from the Gavilanes Silver Project in Durango, Mexico. Hole H1 intersected 33.9 metres grading 220 g/t silver, including 6.2 metres grading 718 g/t silver, confirming the down-dip extension of the high-grade Descubridora Zone. An 18-hole, 4,500-metre drill program is underway to support resource growth.

Centenario Announces High Grade Copper Mineralization Encountered in Underground Sampling at the Los Reyes Project, Chihuahua, Mexico

Centenario Gold reported high-grade copper mineralization from underground channel sampling at its Los Reyes Project in Chihuahua, Mexico. Results from historic mine workings confirm the presence of a copper-rich skarn/carbonate replacement system and will help guide a planned 1,500-metre drill program targeting extensions of known copper-zinc-silver mineralization.

Mercado Minerals Signs Multiple LOI’s to Acquire District Scale Land Holdings in the Prolific San Dimas Mining District of Durango, Mexico

Mercado Minerals has signed multiple Letters of Intent (LOIs) to acquire district-scale land holdings in the prolific San Dimas Mining District of Durango, Mexico. The agreements would significantly expand the company’s exploration footprint around one of Mexico’s premier precious-metals camps, providing exposure to numerous historical mines, vein systems, and underexplored targets with potential for new silver-gold discoveries.

Pinnacle Receives More Positive Results from Second Round of Scoping Metallurgical Tests at El Potrero with Average Gold Recovery of 97.8% for the Main Dos de Mayo Vein

Pinnacle Silver and Gold reported strong second-round metallurgical test results from the Dos de Mayo vein at its El Potrero Project in Durango, Mexico. Gravity and flotation tests achieved average gold recoveries of 97.8% and silver recoveries of 92.2%, confirming excellent metallurgical characteristics. The results support ongoing resource evaluation and future development planning for the high-grade gold-silver vein system.

Questcorp Mining and Riverside Resources Advance Toward Drilling with Expanded IP Survey at La Union Project, Sonora, Mexico

Questcorp Mining and Riverside Resources completed an expanded IP survey at the La Union Project in Sonora, identifying new chargeability anomalies and refining drill targets. Combined with aeromagnetic data, mapping, and surface sampling, the results support final targeting for a fully permitted 2026 drill program aimed at testing the project’s gold exploration potential.

Additional Tecomatlán Plant Feedstock MOUs Position EVR for over 50% of Plant Capacity

EV Resources (ASX: EVR) has signed four non-binding MOUs with regional antimony producers in Puebla and Guerrero, Mexico, securing potential feedstock of 2,330–2,430 tonnes per month for its Tecomatlán Processing Plant. The agreements cover approximately 50–60% of plant capacity and support EVR’s hub-and-spoke strategy aimed at commencing antimony concentrate production in the second half of 2026.

Americas Gold and Silver Announces High-Grade Infill Drill Results at the Cosalá Complex Highlighting Substantial Upside Compared To Mineral Resource Grades, Including 599.8 g/t Ag, 0.8% Cu over 14.0m and 509.7 g/t Ag, 0.4% Cu over 10.0m

Americas Gold & Silver reported strong infill drilling results at the Cosalá Complex in Sinaloa, with intercepts including 599.8 g/t silver and 0.83% copper over 14.0 m and 509.7 g/t silver and 0.43% copper over 10.0 m. Management stated recent drilling is consistently returning grades 2–3 times higher than inferred resource estimates, potentially enhancing future mine plans and resource upgrades.

Torex Gold Restarts Drilling at Los Reyes Project

Torex Gold Resources restarted drilling at its Los Reyes gold-silver project in Sinaloa, launching a 20,000-metre 2026 drill program focused on upgrading resources, reducing project risk, and supporting future economic studies. The company plans to invest approximately US$18 million this year and expects to release a Preliminary Economic Assessment (PEA) in July 2026.

Algo Grande Finalizes Phase II Drill Targets Following Completion of High-Definition Surveys

Algo Grande finalized drill targets for its 8,000-metre Phase II drilling program at the Adelita Project in Sonora following completion of high-resolution drone magnetic and LiDAR surveys. Drilling, scheduled to begin in June, will focus on expanding the Cerro Grande copper-silver-gold skarn discovery along a 2.5-km corridor while also testing new targets including Cerro Potrero South and Las Trancas.

Tocvan Intersects Three New Gold-Silver Zones at Gran Pilar Project Exploration Drilling; Provides Pilot Mine Development Update

Tocvan Ventures reported discovery of three new gold-silver mineralized zones through step-out drilling at its Gran Pilar Project in Sonora, significantly expanding the project’s footprint beyond the Main Zone. The company has completed over 6,200 metres of its fully funded 20,000-metre drill program and continues advancing its fully permitted 50,000-tonne pilot mine, with commissioning targeted for 2026.

Minaurum Drills High-Grade Silver on the Europa Sur Vein Zone at the Alamos Silver Project: 3.20 m of 882 g/t AgEq and 6.20 m of 374 g/t AgEq

Minaurum Silver reported additional high-grade drill results from the Europa Sur, Travesia, and San José vein zones at its Alamos Silver Project in Sonora. Highlights included 3.20 m grading 882 g/t AgEq and 6.20 m grading 374 g/t AgEq at Europa Sur. The results expand mineralization along strike and at depth, supporting resource growth beyond the current 55.4 Moz AgEq inferred resource.

Axo Metals Intercepts 23.6 metres of 2.13 g/t from Surface at the San Antonio Project

Axo Metals Corp. reported strong initial drill results from its San Antonio gold project in Sonora, including 23.6 metres grading 2.13 g/t gold from surface at the Sapuchi deposit. The company is advancing a 25,000-metre drill program aimed at expanding and upgrading resources and has engaged P&E Mining Consultants to prepare a Preliminary Economic Assessment (PEA).

Silver Spruce Resources, Inc. Announces Management Changes and Option Grants

Silver Spruce Resources announced management changes effective June 9, 2026, with Kevin O’Connor appointed President and CEO and Michael Kinley appointed CFO, subject to TSX Venture Exchange approval. The company also granted 1.125 million stock options to directors, officers, employees, and consultants at an exercise price of $0.15 per share for a five-year term.

Santacruz Silver Announces Publication of 2025 Sustainability Report for Mexican Operations

Santacruz Silver Mining has released its 2025 Sustainability Report for its Mexican operations, highlighting ESG performance, operational improvements, and the implementation of a new sustainability strategy. The report outlines the company’s efforts to strengthen environmental stewardship, social responsibility, governance practices, and long-term sustainable growth in Mexico.

Heliostar Announces Closing of Option Agreement with Zacatecas Silver for Non-Core Properties

Heliostar Metals has completed its option agreement with Zacatecas Silver Corp., granting the company the right to acquire 100% of the non-core Cumaro, La Lola, Oso Negro, and Ejutla exploration projects in Mexico. Heliostar received C$129,000 in cash and 4.2 million Zacatecas Silver shares at closing, with total consideration of C$450,000 cash and C$750,000 in shares over three years. Heliostar also retains a 2% NSR royalty on the properties.

Zacatecas Silver Enters into Definitive Option Agreement to Acquire Multi-Asset Exploration Portfolio from Heliostar Metals

Zacatecas Silver has signed a definitive option agreement to acquire four exploration projects—Cumaro, La Lola, Oso Negro (Sonora) and Ejutla (Oaxaca)—from Heliostar Metals, significantly expanding its Mexican exploration portfolio. The assets include high-grade gold-silver targets and district-scale land positions. Under the agreement, Zacatecas Silver can earn a 100% interest through staged cash and share payments, while Heliostar retains a 2% NSR royalty.

Billionaire Kaplan mines market rebound with Sinda’s US IPO filing

Sinda Ltd., a silver exploration and development company backed by The Electrum Group, has filed for a U.S. initial public offering and plans to list on the NYSE under the symbol SIND. The company controls five contiguous concessions in Guanajuato and intends to use the proceeds for exploration and underground development. Sinda reports resources of approximately 385 million silver-equivalent ounces and sees potential for substantial further growth.

Minera Frisco Restarts Two Mexico Mines, Plans New Silver Unit

Minera Frisco, part of Carlos Slim’s Grupo Carso, has restarted operations at two mining units in Mexico and plans to bring a new silver project into production. The company expects the moves to boost precious metals output and support growth following operational challenges in recent years. The restart reflects improving market conditions and Frisco’s strategy to strengthen its silver and gold production profile.

Colibri Resource Corporation Announces Director Resignation

Colibri Resource Corporation announced the resignation of director Jamie Lavigne, P.Geo., effective immediately. The company thanked Lavigne for his years of service, technical expertise, and contributions as both a director and NI 43-101 Qualified Person. Colibri also appointed Mark Smethurst to its Board of Directors, bringing more than 25 years of mining exploration and development experience.

Silver Spruce Resources Inc. Provides an Update on the Jackie Project Acquisition

Silver Spruce Resources provided an update on its proposed acquisition of the Jackie gold-silver project in Sonora, Mexico. Completion remains subject to lifting a cease-trade order and obtaining regulatory approvals. The company is working to meet filing requirements and advance financing efforts needed to close the transaction and secure ownership of the exploration property.

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Riverside Resources and Questcorp Announce Commencement of Phase 2 Drilling at Union Project, Sonora, Mexico

Riverside Resources and Questcorp Mining have begun a fully funded 1,500-metre Phase 2 diamond drilling program at the La Union Project in Sonora, Mexico. The campaign will test both sediment-hosted gold and CRD-style gold-silver-zinc mineralization, following encouraging Phase 1 results. Drill targeting incorporates recent mapping, drone magnetic surveys, and IP geophysics, with results expected to generate steady news flow through summer 2026.

First Gavilanes Drill Hole Intersects Broad High Grade Silver Zone

Advance Metals reported strong initial drilling results from the Gavilanes Silver Project in Durango, Mexico. Hole H1 intersected 33.9 metres grading 220 g/t silver, including 6.2 metres grading 718 g/t silver, confirming the down-dip extension of the high-grade Descubridora Zone. An 18-hole, 4,500-metre drill program is underway to support resource growth.

Centenario Announces High Grade Copper Mineralization Encountered in Underground Sampling at the Los Reyes Project, Chihuahua, Mexico

Centenario Gold reported high-grade copper mineralization from underground channel sampling at its Los Reyes Project in Chihuahua, Mexico. Results from historic mine workings confirm the presence of a copper-rich skarn/carbonate replacement system and will help guide a planned 1,500-metre drill program targeting extensions of known copper-zinc-silver mineralization.

Mercado Minerals Signs Multiple LOI’s to Acquire District Scale Land Holdings in the Prolific San Dimas Mining District of Durango, Mexico

Mercado Minerals has signed multiple Letters of Intent (LOIs) to acquire district-scale land holdings in the prolific San Dimas Mining District of Durango, Mexico. The agreements would significantly expand the company’s exploration footprint around one of Mexico’s premier precious-metals camps, providing exposure to numerous historical mines, vein systems, and underexplored targets with potential for new silver-gold discoveries.

Pinnacle Receives More Positive Results from Second Round of Scoping Metallurgical Tests at El Potrero with Average Gold Recovery of 97.8% for the Main Dos de Mayo Vein

Pinnacle Silver and Gold reported strong second-round metallurgical test results from the Dos de Mayo vein at its El Potrero Project in Durango, Mexico. Gravity and flotation tests achieved average gold recoveries of 97.8% and silver recoveries of 92.2%, confirming excellent metallurgical characteristics. The results support ongoing resource evaluation and future development planning for the high-grade gold-silver vein system.

Questcorp Mining and Riverside Resources Advance Toward Drilling with Expanded IP Survey at La Union Project, Sonora, Mexico

Questcorp Mining and Riverside Resources completed an expanded IP survey at the La Union Project in Sonora, identifying new chargeability anomalies and refining drill targets. Combined with aeromagnetic data, mapping, and surface sampling, the results support final targeting for a fully permitted 2026 drill program aimed at testing the project’s gold exploration potential.

Silver Spruce Resources, Inc. Announces Management Changes and Option Grants

Silver Spruce Resources announced management changes effective June 9, 2026, with Kevin O’Connor appointed President and CEO and Michael Kinley appointed CFO, subject to TSX Venture Exchange approval. The company also granted 1.125 million stock options to directors, officers, employees, and consultants at an exercise price of $0.15 per share for a five-year term.

Santacruz Silver Announces Publication of 2025 Sustainability Report for Mexican Operations

Santacruz Silver Mining has released its 2025 Sustainability Report for its Mexican operations, highlighting ESG performance, operational improvements, and the implementation of a new sustainability strategy. The report outlines the company’s efforts to strengthen environmental stewardship, social responsibility, governance practices, and long-term sustainable growth in Mexico.

Heliostar Announces Closing of Option Agreement with Zacatecas Silver for Non-Core Properties

Heliostar Metals has completed its option agreement with Zacatecas Silver Corp., granting the company the right to acquire 100% of the non-core Cumaro, La Lola, Oso Negro, and Ejutla exploration projects in Mexico. Heliostar received C$129,000 in cash and 4.2 million Zacatecas Silver shares at closing, with total consideration of C$450,000 cash and C$750,000 in shares over three years. Heliostar also retains a 2% NSR royalty on the properties.

Zacatecas Silver Enters into Definitive Option Agreement to Acquire Multi-Asset Exploration Portfolio from Heliostar Metals

Zacatecas Silver has signed a definitive option agreement to acquire four exploration projects—Cumaro, La Lola, Oso Negro (Sonora) and Ejutla (Oaxaca)—from Heliostar Metals, significantly expanding its Mexican exploration portfolio. The assets include high-grade gold-silver targets and district-scale land positions. Under the agreement, Zacatecas Silver can earn a 100% interest through staged cash and share payments, while Heliostar retains a 2% NSR royalty.

Our company BYLSA DRILLING provides drilling services in a variety of environments, ranging from typical exploration sites to extreme topographic conditions, always with the highest quality and safety standards.

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