Gold Mountain Limited has reported significant lithium and gold anomalies at its Salinas South and Coroaci prospects in Brazil, highlighting promising exploration results that extend over several kilometres. The company plans further sampling and mapping to refine drill targets, reinforcing its strategic focus on lithium alongside rare earth elements.
- Lithium anomalies up to 12 km at Salinas South and 8 km at Coroaci
- Gold anomalies identified at Salinas South with sulphur and arsenic association
- Stream sediment sampling reveals key pathfinder elements including tantalum, tin, rubidium, and caesium
- Artisanal workings and pegmatite occurrences mapped, indicating mineralisation potential
- Planned soil sampling, geological mapping, and geophysical surveys to define drill targets
Exploration Breakthrough in Brazil’s Lithium Valley
Gold Mountain Limited (ASX – GMN) has announced compelling exploration results from its Salinas South and Coroaci prospects, situated in the prolific Lithium Valley of Brazil. The company’s recent stream sediment sampling campaign has delineated extensive lithium anomalies, some stretching up to 12 kilometres at Salinas South and approximately 8 kilometres at Coroaci. These findings underscore the potential scale of lithium mineralisation in these areas, a critical factor as global demand for lithium continues to surge.
Multi-Element Anomalies and Gold Prospects
Beyond lithium, the sampling has identified key pathfinder elements such as tantalum, tin, rubidium, and caesium, which are commonly associated with lithium-bearing pegmatites. Notably, Salinas South also hosts several gold anomalies, ranging from 6 to 16 kilometres in length, supported by coincident sulphur and arsenic anomalies. This dual focus on lithium and gold adds a valuable dimension to Gold Mountain’s exploration portfolio, potentially enhancing the economic viability of future developments.
Geological Context and Artisanal Activity
The geological setting of the prospects includes post-tectonic granites and structurally controlled pegmatite systems, similar to those hosting established lithium mines nearby. Artisanal workings mapped in both Salinas South and Coroaci indicate historical extraction of pegmatite minerals such as beryl, tourmaline, and muscovite, reinforcing the mineral prospectivity of these tenements. The presence of these artisanal operations often signals accessible mineralisation and provides valuable geological insights.
Next Steps – Targeting Drill-Ready Zones
Gold Mountain plans to advance its exploration with detailed soil sampling over the strongest lithium anomalies, coupled with further geological mapping to identify pegmatite outcrops. The company is also considering geophysical surveys to better constrain gold anomaly targets ahead of drilling. At Coroaci, infill drainage sampling will precede soil sampling to refine priority drill targets. These steps are designed to convert surface geochemical anomalies into drill-ready targets, a critical phase in resource definition.
Balancing Lithium and Rare Earths Ambitions
While Gold Mountain’s current major focus remains on rare earth elements at its Irajuba prospect, the lithium portfolio in the Lithium Valley continues to be a strategic asset. The company’s Executive Director, David Evans, highlighted the encouraging structural controls on lithium mineralisation and the potential to add new drill targets at Salinas South and Coroaci alongside existing projects at Bananal Valley and Agua Boa. This diversified approach positions Gold Mountain well to capitalise on multiple critical minerals markets.
Bottom Line?
Gold Mountain’s expanding lithium and gold anomalies in Brazil’s Lithium Valley set the stage for a pivotal exploration phase, with drill targets soon to be defined.
Questions in the middle?
- How will the planned soil sampling and geophysical surveys refine the current lithium and gold anomalies?
- What timeline does Gold Mountain envisage for commencing drilling at Salinas South and Coroaci?
- How do these lithium anomalies compare in grade and scale to nearby established lithium mines in the region?