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Solis Minerals has commenced a diamond drilling campaign at its Mandacaru Lithium Project, located in Brazil’s renowned Araçuaí Lithium Valley. This 10-hole program targets a lithium-caesium-tantalum pegmatite corridor, marking a pivotal advancement in Solis Minerals’ lithium exploration strategy.
Key Points
- Solis Minerals Limited (ASX:SLM)
- Drilling started at Mandacaru Lithium Project, Brazil
- 10 drill holes totaling 2,000 metres focusing on an 800-metre lithium pegmatite zone
- Investors should monitor updates on drilling progress and assay results
Targeting Lithium Pegmatite System with Extensive Drilling Program
Solis Minerals has initiated a 10-hole, 2,000-metre diamond drilling program at the Mandacaru Lithium Project in Brazil’s Araçuaí Lithium Valley, a region famed for substantial lithium deposits. The drilling targets an approximately 800-metre lithium-caesium-tantalum (LCT) pegmatite corridor identified through multi-element geochemistry and auger drilling, suggesting spodumene-bearing pegmatites at depth.
The drilling design includes two distinct "fences" to thoroughly cover the pegmatite trend, with each hole planned to reach about 200 metres depth. Priority is given to zones exhibiting coincident multi-element geochemical anomalies, which are key indicators of highly fractionated and prospective LCT pegmatite systems.
Strategically Positioned in Brazil’s Araçuaí Lithium Valley
Mandacaru is strategically situated within the Araçuaí Lithium Valley in Minas Gerais, Brazil, a hub for several world-class lithium producers and advanced projects. The project shares geological similarities with the Colina Lithium Project, located roughly 100 kilometres southwest, discovered by Solis Minerals’ current management team.
Its location in a proven lithium province, combined with caesium anomalies indicative of advanced magmatic fractionation, enhances Mandacaru’s exploration potential. Investors are expected to closely follow the drilling outcomes as the program advances.
Integrated Targeting Strategy Enhances Exploration Success
Solis Minerals employed an integrated targeting approach for the Mandacaru drilling campaign, selecting drill sites based on geological surface mapping, soil and rock-chip geochemical anomalies, auger drilling data, structural interpretations, and high-resolution drone imagery. This comprehensive methodology aims to optimize drill collar placement and maximize exploration success.
The integrated datasets reveal a continuous lithium corridor with overlapping anomalies of lithium, caesium, tantalum, and beryllium, underscoring Solis Minerals’ commitment to advanced exploration techniques to unlock the project’s potential.
Concurrent Copper Exploration Initiatives in Peru
Alongside its lithium activities in Brazil, Solis Minerals is advancing copper exploration in Peru, holding two drill-ready projects: Cinto and Cucho. Both sites exhibit strong copper mineralisation and signs of potential large-scale copper porphyry systems, with the Peruvian Government granting all necessary drilling approvals.
The company’s Board has approved a 2,500-metre diamond drilling program at the Cinto Copper Project, set to commence in Q3 2026. This will run alongside ongoing drilling in Brazil, reflecting Solis Minerals’ strategic expansion across multiple commodities and regions.
Completion of Transaction Documents Accelerates Brazil Project Development
Solis Minerals has finalized transaction documents and completed consideration payments for the Brazil Lithium Project, enabling a swift transition from acquisition to active exploration at Mandacaru. This rapid progression highlights the company’s strategic agility and dedication to advancing its lithium portfolio.
Efficient finalization of these documents positions Solis Minerals to capitalize on Mandacaru’s exploration potential, signaling strong operational capabilities to investors.
CEO Mitch Thomas Highlights Drilling Milestone
Chief Executive Officer Mitch Thomas expressed optimism regarding the start of drilling at Mandacaru, emphasizing the rapid move from acquisition to drill testing one of the company’s most promising lithium targets. He noted the strong technical foundation provided by LCT anomalies across the corridor.
Thomas assured shareholders that regular updates will be provided as drilling progresses, reflecting confidence in Mandacaru’s potential and commitment to transparent communication.
Strategic Implications for Solis Minerals in Lithium Sector
The initiation of drilling at Mandacaru represents a key milestone for Solis Minerals, with the project’s prime location in a world-class lithium province and comprehensive targeting approach enhancing the company’s strategic position in lithium exploration. The immediate impact on share price remains unclear from public sources.
Investors are likely to closely monitor drilling results and subsequent updates, which could strengthen Solis Minerals’ exploration credentials and support long-term growth in the lithium market.
Upcoming Milestones and Exploration Outlook
Following the drilling program at Mandacaru, Solis Minerals will analyze results to assess the continuity, geometry, and spodumene content of the lithium pegmatite system, with regular shareholder updates planned. Concurrently, drilling at the Cinto Copper Project in Peru will commence, with further progress updates on copper exploration activities, including Cucho, expected in Q3 2026.
These initiatives demonstrate Solis Minerals’ proactive strategy to advance its exploration portfolio across diverse commodities and jurisdictions.
