Lefroy Exploration Confirms High-Grade Gold Growth at Mt Martin
Lefroy Exploration’s latest drilling at Mt Martin has unearthed multiple high-grade gold intersections outside the current resource, underscoring significant expansion potential ahead of a September scoping study.
- High-grade gold intercepts up to 12.8 g/t at Mt Martin
- Resource growth potential beyond 460,000-ounce estimate
- East Shear zone shows strong down-plunge continuity
- Mt Martin Scoping Study on track for September delivery
- Integrated resource update underway for Burns deposit
High-Grade Intersections Extend Beyond Current Resource
Lefroy Exploration Limited (ASX:LEX) has reported a series of compelling high-grade gold intercepts from its recent 5,046m reverse circulation drilling campaign at the Mt Martin Gold Deposit in Western Australia’s Eastern Goldfields. Several standout results lie well outside the existing 460,000-ounce Mineral Resource Estimate (MRE), highlighting fresh zones of mineralisation ripe for resource growth.
Among the most notable hits are 8m at 3.93 g/t gold from 141m, including 3m at 9.44 g/t (hole LEFR1161), and 6m at 5.48 g/t from 69m, including 2m at 12.8 g/t (LEFR1148). These intersections, particularly along the Main, East, and North Shaft shear zones, reinforce the presence of high-grade shoots that remain open and underexplored.
East Shear Zone Emerges as Key Growth Corridor
The East Shear has emerged as a critical focus area, with drilling validating down-plunge continuity over an under-drilled strike length exceeding 1 kilometre. Lefroy’s recent holes, such as LEFR1148 and LEFR1151, returned 6m at 5.48 g/t and 15m at 1.29 g/t respectively, confirming the persistence of high-grade mineralisation along this corridor.
Geological interpretations now identify multiple open high-grade shoots along the East Shear, suggesting considerable upside potential between known mineralised zones. The sparsity of historical drilling in this area further amplifies the prospect for new discoveries as Lefroy advances its exploration strategy.
Advancing Mt Martin Scoping Study and Portfolio Integration
These drilling results arrive as Lefroy progresses its Mt Martin Scoping Study, scheduled for completion in the September quarter. The study aims to refine pit optimisation, processing plant design, infrastructure logistics, and economic assessments to unlock project value.
Simultaneously, Lefroy is updating the high-grade gold domain within its Burns mineral resource estimate, integrating new data to bolster its portfolio. With over one million ounces across its assets, Lefroy is pursuing a low-cost production pathway leveraging profit share mining agreements, exemplified by its advancing Lucky Strike operation.
Strategic Implications and Next Steps
Managing Director Graeme Gribbin emphasised the significance of these results, noting they provide a fresh platform to identify corridors for resource growth and complement Lefroy’s broader ambition to expand its million-ounce gold resource base. The company plans further step-out drilling guided by updated 3D geological models and scoping study insights.
Investors should watch for the upcoming Mt Martin Scoping Study outcomes and the Burns resource update, both expected to shape Lefroy’s development trajectory. The confirmation of open, high-grade mineralisation zones outside current resources underscores the potential for meaningful resource upgrades in the near term.
Bottom Line?
Lefroy’s latest assays open new high-grade corridors at Mt Martin, setting the stage for resource expansion and value uplift as scoping studies advance.
Questions in the middle?
- How will the Mt Martin Scoping Study findings influence Lefroy’s mine development timeline?
- What scale of resource upgrade might Lefroy achieve from further drilling along the East Shear?
- How will the integration of Burns’ high-grade domains impact Lefroy’s overall production profile?
