Estrella Resources has expanded its Timor-Leste exploration footprint by 100km2 while securing conditional approval to export a 100-tonne manganese sample to an Indonesian customer. The company is also preparing 3,000 metres of drilling and a possible upgrade to part of its 621Mt Werumata limestone resource.
- Two new 50km2 gold-copper exploration licences awarded
- Conditional approval received for maiden 100-tonne manganese export
- 3,000m RC and diamond drilling awaiting ANM approval
- Werumata density work could upgrade part of the resource confidence
- Approximately 27,000-tonne manganese shipment remains under review
Estrella Expands Timor-Leste Exploration Ground
Estrella Resources Limited (ASX:ESR) has added 100km2 to its Timor-Leste portfolio, taking in geological units the company says are prospective for gold and copper. The two new Exploration and Evaluation Licences cover the Lolotoi Complex in Covalima Municipality and the Manamas Volcanics in the Oecusse Special Administrative Region.
The ground is prospective rather than proven. Estrella says the Lolotoi Complex contains sheared and folded rocks with quartz and quartz-carbonate veins, while gold-bearing quartz veins and copper mineralisation are known elsewhere in the broader unit. At Oecusse, historical alluvial gold occurrences are believed to have been derived from primary mineralisation, with mapped fault structures and a recorded copper occurrence providing exploration targets.
100-Tonne Manganese Export Moves Towards Dispatch
The more immediate commercial milestone is a conditional approval for Estrella’s maiden 100-tonne manganese export from the Ira Miri open pit. The sample has been sold at commercial market rates and is intended as trial feed for a manganese smelter operated by a customer in Indonesia’s West Timor region.
The approval still carries conditions: Estrella must finalise an operating procedure that meets certified laboratory requirements and complete a joint survey and sample collection process with Timor-Leste’s minerals authority during truck loading. The company plans to use the parcel to broaden customer engagement, targeting samples for up to four potential customers.
Larger Manganese Shipment Remains Unapproved
The 100-tonne road shipment is separate from the proposed export of approximately 27,000 tonnes of manganese by sea. Estrella says documentation for the larger parcel has been lodged, but government approval and binding commercial terms are still outstanding. That leaves the small parcel as an initial test of customer acceptance, rather than evidence that the larger stockpile has reached the market.
Drilling and Werumata Resource Work Advance
Estrella expects to begin a 3,000-metre RC and diamond drilling program at targets defined by Mobile MTd data, subject to approval from the Autoridade Nacional dos Minerais. Community consultation is complete and access-road repairs near the planned drill holes are substantially finished. Resistivity and induced polarisation surveys are due to conclude by the end of September, while a regional helicopter MT survey across the company’s tenure is scheduled to start late that month.
At Werumata, the company is carrying out additional density measurements on existing diamond core as part of its limestone Scoping Study. The work could support an upgrade of a component of the 621 million-tonne JORC Inferred Mineral Resource to the Indicated category, with the density analysis, resource-model update and study revision expected to take about four weeks. The potential upgrade remains uncompleted, while planning for a subsequent Feasibility Study has begun.
Approvals and Test Results Set the Near-Term Scorecard
Estrella now has several operational gates ahead: completion of the 100-tonne export conditions, approval of the larger manganese shipment, ANM clearance for drilling, and results from exploration across the new and existing concessions. The company also expects a 4,000-metre limestone drilling program at Sagadate to begin after approvals, with completion targeted before the end of the year.
Bottom Line?
Estrella has assembled a busy near-term work program, but the investment case still turns on approvals, customer testing and drilling results rather than the new licences alone.
Questions in the middle?
- Will the 100-tonne manganese parcel translate into repeat orders or broader customer commitments?
- When will ANM approval allow the planned 3,000 metres of drilling to begin, and what will the Mobile MTd targets reveal?
- How much of the 621Mt Werumata resource can ultimately move from Inferred to Indicated confidence?