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

Estrella Resources has rolled out another set of manganese-rich results from its Ira Miri project in Timor-Leste, with several high-grade hits hinting at the potential for multiple stacked manganese horizons.

Estrella Resources diamond drilling at its Ira Miri prospect in Timor-Leste has encountered strong runs of sedimentary manganese mineralisation, including hole EMDD033, which delivered 11.97m assaying 28.9 per cent manganese from 5.13m. Credit: File Estrella Resources (ASX: ESR) has delivered another set of exceptional assay results assaying up to 58 per cent manganese from its Ira Miri prospect, 10 kilometres west of Bauro in Timor-Leste, confirming the project as an emergi

Geologists deploy induced polarisation electrodes at Estrella Resources’ Ira Miri manganese project in Timor-Leste. Credit: File Estrella Resources (ASX: ESR) has upped the exploration tempo at its Ira Miri manganese project in Timor-Leste, unveiling a trio of punchy, high-chargeability anomalies that now sit squarely in the company’s crosshairs ahead of a major 2026 drill campaign. A new resistivity induced polarisation survey run across a line of surface manganese outcrops

Reverse circulation drill rig in progress at Estrella Resources’ Werumata Limestone prospect in Timor Leste. Credit: File Estrella Resources says (ASX: ESR) it is on track to unearth a monster 500m tonne limestone resource at its Werumatamata project in Timor Leste after drilling logged large sheets of valuable mineralisation up to 87m thick. The company says the average width logged within the limestone blanket at the project is 55m and it also encountered an unexpected bonu

Estrella drills the first hole in the Werumata limestone project in Timor Leste, formally East Timor. Credit: File Estrella Resources (ASX: ESR) has flicked the switch on its first drilling campaign at the Werumata Limestone Project in Timor-Leste where it is chasing one of Asia’s cleanest, calcite-rich carbonate deposits. The maiden program includes six diamond and 26 reverse circulation (RC) holes, targeting the vast Baucau and Batu Putih limestone formations that dominate

Estrella Resources’ drill rig has stretched the high-grade manganese strike to 100 metres at its Ira Miri prospect in Timor-Leste, with visual grades up to 90% manganese oxide. The strike remains open.

Estrella Resources has kicked off RC drilling at its Werumata limestone project in Timor-Leste, targeting a 500Mt resource. Approvals have been secured and drilling is imminent, eyeing an early offtake deal.

Estrella Resources’ diamond drill core showing black secondary manganese at its Ira Miri prospect in Timor-Leste, viewed from the bottom...

Estrella Resources has intersected 3.1m at a visually estimated grade of 60 per cent secondary and detrital manganese in one of four...

Assays from Estrella Resources’ maiden drilling delivered a string of high-grade hits from its manganese project in Timor-Leste. Core...