Estrella Resources’ manganese open-pit bulk sample extraction underway at its Ira Miri manganese project in Timor-Leste. Credit: File Estrella Resources (ASX: ESR) has secured a critical export authorisation from the Government of Timor-Leste to export a 27,000-tonne bulk sample from its Ira Miri manganese project. The key approval clears the path for the company to prepare its first major sea-borne shipment from the nation's Tenu Port Facility. The government nod marks

A sample of weathered, altered ultramafic rock showing quartz stockwork veining and green-blue copper mineralisation assaying 33.22 per cent copper from Estrella Resources’ Laleno Dome project. Credit: File Estrella Resources (ASX: ESR) has been handed the keys to a potentially sizeable copper-gold prize in Timor-Leste after securing government approval to launch its maiden drilling campaign at the intriguing Laleno Dome prospect. The ASX-listed explorer has received th

Estrella Resources began drilling its Werumata Limestone project in Timor-Leste in late October last year, including collaring of its first diamond drillhole (pictured) by Estrella’s exploration staff and Coresearch drill crew. Credit: File Estrella Resources (ASX: ESR) has taken a major step towards developing the company's massive Werumata limestone project in Timor-Leste, converting a hefty 274 million tonnes of its resource into the higher-confidence JORC indicated c

One of Estrella Resources’ rock samples from its Laleno Dome area of investigation, which assayed 33.22 per cent copper. Credit: File Estrella Resources (ASX: ESR) has struck a deal to divest its Spargoville nickel rights near Kambalda in Western Australia to Astral Resources for $3 million in scrip, a move that will enable the company to sharpen its focus on a suite of promising projects in Timor-Leste. The deal allows Estrella to streamline its portfolio amid a tough

Estrella has strengthened the case for a porphyry copper system at its Laleno Dome project in Timor-Leste, with rock chips grading 1.3g/t gold,22.6g/t silver and a spectacular 45.61 per cent copper.

Estrella Resources is expanding its exploration footprint in Timor-Leste, adding two new licences prospective for copper and gold. Credit: File Estrella Resources (ASX: ESR) is beefing up its presence in the emerging mineral jurisdiction of Timor-Leste, securing two new 50-square-kilometre exploration licences that are prospective for large copper and gold systems. The company says its latest additions have been accompanied by a key conditional approval for a maiden exp

Estrella Resources copper mineralisation in hydrothermally altered porphyritic rock at the Laleno Dome in Timor-Leste. Credit: File Estrella Resources (ASX: ESR) has cranked up the intrigue at its Laleno Dome in Timor-Leste after finding visible copper mineralisation within what it believes could be a porphyritic intrusive, adding a crucial new clue to its search for a potentially large hydrothermal copper system. The find came during inspections of sites selected for i

Estrella Resources’ Ira Miri Mobile MTd drone survey and support crew on final survey day. Credit: File A recently completed drone-based aerial geophysical survey has lit up a grab-bag of new drill targets for Estrella Resources (ASX: ESR) it plans to test during an upcoming initial 3000-metre drill campaign which will be the deepest mineral-exploration drilling ever completed in the country. The Mobile Magneto-Telluric (MTd) drone survey was flown across a 4.2km-by-3.

A copper-bearing massive sulphide rock chip assaying 60.34 per cent copper found at Estrella Resources’ Sica prospect in Timor-Leste. Estrella Resources (ASX: ESR) exploration program in the southeast nation of Timor-Leste has unearthed two super high-grade samples of copper at its Sica prospect, grading 60.34 per cent and 50.8 per cent respectively. The two head-turning rock chip grades follow recent high-grade manganese rock chip samples assaying up to 55.7 per cent a

52.8 per cent high-grade manganese mineralisation at Estrella Resources' Leuro prospect in Timor-Leste. Estrella Resources (ASX: ESR) has hit more high-grade manganese in Timor-Leste, this time from field reconnaissance at two new prospects, Leuro and Sica, unearthing rock-chip assays grading up to a stellar 57.8 per cent manganese. The results support the company’s view that its flagship Ira Miri discovery could be the start of a much larger, district-scale opportunity

FlyCart30 heavy lift quadcopter being used by Estrella Resources at its Ira Miri manganese project in Timor-Leste. Estrella Resources (ASX: ESR) has taken to the skies at its Ira Miri project in Timor-Leste, launching an advanced drone-deployed passive electromagnetic survey to hunt for hidden, deep-seated mineralisation. Developed by world-leading airborne geophysics outfit Expert Geophysics, the next-gen MobileMTd system has been called in to test structural extension

Thick limestone units at Estrella Resources’ Werumata limestone project in Timor-Leste. Estrella Resources (ASX: ESR) has dropped a bombshell maiden resource in Timor-Leste, tabling a mammoth 621-million-tonne inferred resource at its Werumata limestone project. The deposit, 170km east-northeast of the capital Dili, is a monster by any measure and appears to offer plenty of growth, with a suite of products for every occasion. The resource contains a huge high-grade co

Estrella Resources' high-grade bulk sample stockpile at the company's Ira Miri project in Timor-Leste. Estrella Resources (ASX: ESR) has hit a major operational milestone at its Ira Miri manganese project in Timor-Leste, extracting more than 27,000 tonnes of ore for market appraisal, while confirming the presence of ultra-high-grade mineralisation across the emerging operation. The successful programme, delivered during the challenging wet season, has built a significan

Estrella Resources’ field crew investigating extensive thicknesses of coastal marine limestone in Timor-Leste. Credit: File Estrella Resources (ASX: ESR) has just leapt another hurdle at its Werumata limestone project in Timor-Leste, with the receipt of its full suite of assays from last year’s maiden drilling campaign. The 2025 campaign comprised 33 reverse-circulation (RC) and nine diamond drill holes for a total of 42 holes for 3717 metres across two extensive limestone pl

The open pit at Estrella Resources’ Ira Miri manganese project in Timor Leste Credit: File Estrella Resources (ASX: ESR) is on the cusp of banking its first revenue after pulling a 22,600-tonne market sample from a freshly mined small open pit in the emerging mineral frontier of Timor-Leste. The company extracted the first payable ore from its Ira Miri project under a 30,000-tonne extraction permit to test market suitability for its manganese product. Management says the wor

Estrella Resources Timor-Leste tenements feature extensive areas of various types of limestone deposits, some of which are of exceptional quality. Credit: File Early drilling results from Estrella Resources’ (ASX: ESR) Werumata limestone project in Timor-Leste have pointed to a bounty of clean, high-purity limestone, with intersections up to 55 metres thick, averaging a rich 84 per cent calcium carbonate. The company says the broad, consistent intersections support the push

Pit excavation exposing manganese-bearing horizons at Estrella Resources’ Ira Miri project in Timor-Leste. Credit: File Estrella Resources (ASX: ESR) is steadily shifting its Ira Miri project in Timor-Leste from exploration concept to production reality, successfully intersecting the targeted manganese horizon as extraction activities gather pace. The company is working towards delivering up to 30,000t of high-grade manganese ore as a market sample, a milestone that would re

Estrella Resources has begun bulk sample mining of up to 30,000 tonnes of high-grade manganese oxide ore at its Ira Miri project in Timor-Leste. Credit: File Estrella Resources (ASX: ESR) has fired the starting gun on what could be Timor-Leste’s first real economic bulk mineral extraction under the country’s modern mining code. Diggers are now turning the sod at the company’s Ira Miri manganese project, chasing up to 30,000 tonnes of high-grade manganese oxide ore. The new f

Estrella Resources CEO Robert Mencel (L) and managing director Chris Daws with Timor-Leste mining officials following approval of the Ira Miri manganese sampling program in Dili. Credit: File Estrella Resources (ASX: ESR) has taken a significant step towards commercialising its Ira Miri manganese project after inking an agreement with Timor-Leste’s Autoridade Nacional dos Minerais (ANM) to extract and export up to 30,000 tonnes of high-grade manganese oxide for market apprai

Estrella Resources’ new chief executive officer Robert Mencel. Credit: File Estrella Resources (ASX: ESR) has refreshed its senior leadership ranks, appointing experienced mining executive Robert Mencel as chief executive officer, as it gears up to advance its emerging limestone and manganese projects in Timor-Leste. Mencel’s appointment marks a key step in Estrella’s transition from explorer to developer, with the company positioning itself for more advanced project evaluat