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...

Estrella Resource’s field team testing the drone before beginning the survey at Werumata Credit: File Estrella Resources (ASX: ESR) has...

Estrella Resources has uncovered manganese-rich boulders at its Ira Miri in Timor Lest, with both primary and secondary mineralisation...

Exploration geophysicist Eustaquio Amaral perched next to large outcropping manganese oxides at Estrella Resources’ Ira Miri project. The...

Estrella Resources’ local geologists show off 7.76 metres of high-grade manganese oxide in core at the company’s Ira Miri project in...

Estrella Resources’ track-mounted diamond drill rig underway to follow-up the high-grade manganese discovery at its Ira Miri prospect in...

Estrella Resources’ exploration manager Steve Warriner (left) and geologist Bebeto Abilio with the mineralised core from Timor-Leste’s...

Collaring the first diamond drillhole at Estrella Resources’ Ira Miri prospect in Timor-Leste with ANM president Rafael D M de Araujo and...

Estrella Resources managing director Chris Daws gives the thumbs up to the company’s substantial limestone resource, which is in the...