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Articles by Estrella Resources
Estrella IP survey trial lights up Timor manganese project
Estrella Resources’ trial of induced polarisation technology at its manganese project in Timor-Leste has proved highly responsive and will be a critical tool for identifying supergene mineralisation. The trial was designed to run a survey line across ground Estrella could see was likely to host supergene mineralisation and then, by pairing up the results with visual observations, confirm the exploration method as valid.
Estrella stumbles across massive manganese outcrop in Timor-Leste
Estrella Resources has uncovered not one but two supergene manganese discoveries at its Lautém project in Timor-Leste. The reportedly high-grade manganese assets were uncovered using the company’s predictive modelling of its prospective Noni rock formations. Estrella says its Ira Miri and Sica discoveries are around 4.5km apart just outside the town of Lautém and feature some of the highest-grade rock chips sampled to date.
Estrella jags massive Timor-Leste supergene manganese zone
Estrella Resources has jagged what the company says is its biggest-ever manganese outcrop in Timor-Leste – a massive supergene zone discovered 500m south of its Samalari prospect during ongoing mapping efforts. The recent find is particularly important due to the sheer scale of the manganese-iron oxides-rich outcrop that has been traced across a 1.7km strike and ranges between 2m and 6m in width.
Glencore runs rule over Estrella manganese in Timor-Leste
Global metals-trading giant Glencore has cast its eye across Estrella Resources’ manganese ground in Timor-Leste, where the latter has unveiled high-grade rock-chip assays hitting up to 57 per cent manganese at its Sica and Lalena prospects in the nation’s Lautém Municipality. The results, which highlight the high-grade nature of manganese mineralisation in the largely untapped region, have marked a major step forward for Estrella’s exploration.
New Timor lease throws up high-grade manganese for Estrella
Estrella Resources has revealed high-grade manganese in Timor-Leste just days after nailing down new exploration licenses at its Samalari prospect in the nation’s Baucau Municipality. The site is showing manganese oxide mineralisation along a 1.7km strike zone with widths of up to 5m and early samples have returned impressive hits going up to 53.9 per cent manganese, according to analysis from Australian Laboratory Services.
Estrella nails down extra Timor-Leste manganese leases
Estrella Resources has locked up four extra exploration and evaluation concessions to kick off Timor-Leste’s newly-instituted 2021 mining code direct grant process. The leases, which are particularly prospective for manganese, sit in the Southeast Asian country’s western Baucau Municipality and add to its four exploration licences, 30km to the north-east, that it picked up last year.
Lightning strikes create nickel-copper storm for Estrella
A world-first survey using the effects of lightning strikes to test electrical conductivity in rocks at Estrella Resources’ Carr Boyd project in WA has earned the company a Federal Government grant. The cutting-edge heliborne survey initially conducted by Expert Geophysics in August last year, harnesses traditional electromagnetic pulse data in conjunction with lightning strike pulses triggered by storms constantly raging over the Equator.
Estrella stamps foot on more manganese-rich Timor ground
Estrella Resources has applied for four additional exploration and evaluation licenses, identified as containing rich outcropping manganese, in Timor-Leste’s Baucau municipality. The new coastal licenses, which are 8km west of the company’s existing grounds, cover an area of 194.4 square kilometres. If granted, the additional prospects would bring Estrella’s total landholding in the country to nearly 700 square kilometres.
Estrella unveils rich manganese find in untapped Timor-Leste
Estrella Resources is continuing to deliver the goods at its Lautém project in virgin Timor-Leste, with the discovery of new supergene manganese mineralisation exposed from surface at its Sica prospect. The company also received “exceptional” assay results from grab samples taken at several nearby prospects, with grades reaching as high as 57 per cent manganese.
Estrella inks landmark agreement with Timor Government
Estrella Resources has inked a milestone joint venture and royalty deed with Murak Rai Timor (MRT), the State-run mining arm of the Timor-Leste Government, to explore for manganese, copper and gold in that country. Estrella will hold 70 per cent of the newly-formed venture that includes three exploration licenses covering a landholding of 121.5 square metres, with MRT holding 30 per cent.
Estrella bumps Timor-Leste manganese strike out to 47km
Geological mapping and grab sampling by Estrella Resources has stretched its manganese strike out to 47km in Timor-Leste, with some priority samples already crushed and sent back to Perth for expert lab analysis. The company is now weighing up its business case for the potential first-ever manganese exports from the Southeast Asian country formerly known as East Timor.
Timorese riverbed throws up manganese cobbles for Estrella
Estrella Resources’ hunt for manganese in Timor-Leste is heating up, with recent grab samples from riverbeds going as high as 58.4 per cent manganese at the company’s newly-coined Dasidara prospect. Management says geological reconnaissance across its 503.7 square kilometres of ground has defined mineralisation through 30km of strike length as proposals to kick off trenching and drilling are maturing.
More manganese for Estrella in Timor-Leste hills
Perth-based explorer Estrella Resources has uncovered another manganese prospect in Timor-Leste, with pXRF grades from float going as high as 27.9 per cent manganese. The company’s new Sauro prospect sits just 12km south-east of its Lalena prospect that just last week threw up pXRF results from grab samples going up to 57.2 per cent and 48.1 per cent manganese.
Estrella unveils 27km manganese trend in virgin Timor-Leste
Estrella Resources is off and running at its Lautém manganese, copper and gold project in Timor-Leste (formally East Timor), with preliminary geological reconnaissance works identifying a 27 km manganese trend with serious grades up to almost 61 per cent. The company is undergoing systematic geological mapping and sampling at its newly granted 504 square kilometre land package after managing to lock down one of the first ever exploration licences in the mineral rich province.
Estrella hits high-grade manganese in new mineral frontier
Estrella Resources is wasting no time as it looks to explore the potential of its freshly minted 500 sq kms of tenure in Timor-Leste with a high-grade manganese rock chip sample peaking at 60.8 per cent already on the table. As the ink dries on the historical agreement with state-owned Murak Rai Timor, Estrella is making history as one of the first companies to receive exploration rights in the country.
Estrella makes history with Timor-Leste exploration grant
Estrella Resources has officially been granted exploration tenure of more than 500 square kilometres in Timor-Leste making history as one of the first companies to receive exploration rights in the country. The nation is looking to build its industry in this resource-rich part of the world and ASX-listed Estrella is the first through the gate.
Estrella tax rebate to fuel Carr Boyd nickel mission
Estrella Resources will use a $1.327 million research-and-development tax rebate from the ATO to repay a loan facility, with about $181,000 in surplus cash to be aimed at further exploring its Carr Boyd nickel project in Western Australia’s Goldfields region. The company says it will continue its R&D work into mineralisation genesis and make a further claim at the end of the next financial year.
Estrella takes box seat in new Timor-Leste mining frontier
Estrella Resources has secured a prized position in what is emerging as a new mineral frontier after the Timor-Leste Government granted the company three highly-prospective new mining concessions. The acquisition of the concessions gives the company access to an area of 121.5 square kilometres in a region known to host more than 200 mineral occurrences including gold, copper, manganese, silver and chromite.
Estrella zeroes in on Carr Boyd nickel-sulphide targets
A world-first audio-frequency-magnetic survey flown by Estrella Resources over its flagship Carr Boyd nickel-copper project near Kalgoorlie in Western Australia’s Goldfields region has zeroed-in on nickel-sulphide drill targets to 600m depth. The company says the helicopter-borne survey has given it a vastly better understanding of the project’s geology and includes “industry-leading vision” of its highly-prospective host rocks.
Estrella on trail of pegmatite paradise in Goldfields
Estrella Resources has confirmed the presence of a slew of multiple stacked, fractionating pegmatites during field work at its Carr Boyd project near Kalgoorlie in Western Australia’s Goldfields region. The company says the outcropping pegmatites can be traced for a few hundred metres before going beneath the cover again and a follow-up works program of mapping and sampling is already underway.
Estrella review outlines new Carr Boyd lithium pegmatites
An "unsolicited" lithium review at Estrella Resources’ Carr Boyd nickel project near Kalgoorlie has spun out new and historical pegmatite potential – but the extent and lithium content is not yet known. The company says the approaches from a “leading global mining group” to evaluate the possibilities for LCT-type pegmatites at Carr Boyd has only reconfirmed its belief in what it believes the project may hold.
Estrella buoyed by underground nickel mine potential
Interim feasibility work by Estrella Resources has confirmed the viability of a simple decline and two-level underground mine for its 5A nickel deposit at the company’s Spargoville project near Kambalda in WA. Management has estimated the mine’s capital and operating costs at $11 million, which can be represented as $US3.20 ($AU5.60) per pound of nickel produced. The current price is hovering at about $US8.30 (AU$13.30).
Estrella in pole position with Timor-Leste tender bid
Estrella Resources has earned pre-qualification in the Timor-Leste Government’s inaugural minerals tender process, opening up a potential pathway for the company to acquire tenure in a region known to host more than 200 mineral occurrences including gold, copper, manganese, silver and chromite. The process appears set to end the region’s dearth of exploration due to a succession of long-standing geopolitical factors.
Geophysics help Estrella unearth more WA nickel targets
Estrella Resources has utilised a next-generation helicopter-borne electromagnetic geophysical system to identify several new conductor anomalies at its Carr Boyd project in Western Australia’s Goldfields region. Multiple anomalies through a 5km strike length along the Colreavy komatiite have been recognised and, importantly, the “Target EM” system has also identified a new 3km linear zone under cover to the south of the Carr Boyd intrusion.
Blinkers off as Estrella launches wide lithium search
Estrella Resources is evaluating its Carr Boyd project in Western Australia’s Goldfields region for lithium-pegmatite potential associated with a granitic or monzonitic body that intrudes the northern flanks of the mafic-ultramafic nickel host. New interpretations and a recent nickel discovery have highlighted areas of nickel potential and also indicate possible pegmatite-hosted lithium and related mineralisation within the project.
World-first survey sends Estrella share price flying
Estrella Resources’ share price doubled this morning on the back of the company revealing an impending world-first helicopter-borne electromagnetic survey (TargetEM) at its Carr Boyd nickel-copper-PGE project in Western Australia. The news sparked a trading frenzy in Estrella’s stock, which launched from yesterday’s close of 0.007 cents to a morning high of 0.014c.
Estrella, CSIRO research reveals 30 new Goldfields targets
Estrella Resources has identified a slew of fresh targets at its Carr Boyd nickel project near Kalgoorlie following a review of data from its partnership with the CSIRO and results from a recent seismic survey. The company says it has highlighted 30 targets, including 15 with known nickel-copper-platinum group element intersections and another 15 that host the right geology, but are yet to be drill-tested.
Estrella study moves Kambalda project closer to production
ASX-listed Estrella Resources has run the rule over a promising 5A nickel target at its Spargoville project, 20km south-west of Kambalda in WA’s Goldfields, and has opted for an underground decline operation over open-pit mining. The decision means production at the Spargoville 5A nickel mine, which was excavated between 1996 and 1997, is a step closer to being restarted as Estrella presses full-steam ahead towards the production of nickel – now a much-needed battery metal.
Estrella one step closer to nickel production
Near-term nickel producer Estrella is one step closer to delivering its much needed battery metal to the market. Glencore’s Murrin Murrin Operation has received a bulk sample of high-grade nickel from the company’s Spargoville 5A project, 20 kilometres south-west of Kambalda. Estrella says its assays have met all the specifications from Glencore and the processing of the sample has begun.
Estrella one step close to nickel production
Near-term nickel producer Estrella is one step closer to delivering its much needed battery metal to the market. Glencore’s Murrin Murrin Operation has received a bulk sample of high-grade nickel from the company’s Spargoville 5A project, 20 kilometres south-west of Kambalda. Estrella says its assays have met all the specifications from Glencore and the processing of the sample has begun.
Research and development tax offset boosts Estrella cash balance
Estrella Resources has filled its coffers to the tune of more than $1 million after receiving a refundable tax offset for research and development expenditure at its Carr Boyd nickel project near Kalgoorlie. In November 2021 the company engaged three nickel experts from the CSIRO to initiate studies on the age, formation and characterisation of the Carr Boyd igneous complex as well as studying the formation and modes of mineralisation at T5, Broonhill, Tregurtha and Carr Boyd mine.
Estrella wraps up mining phase of nickel sulphide extraction play
ASX listed Estrella Resources has completed the mining and crushing phase of its nickel sulphide extraction program using ore from its 5A nickel mine near Kambalda in WA. The company plans to treat the high-grade material at Glencore’s Murrin Murrin facility after sealing an offtake and processing agreement late last year.
Estrella kicks off nickel sulphide bulk sample extraction
Estrella Resources has begun extraction of a bulk high-grade nickel sulphide sample from the company’s 5A nickel mine near Kambalda that will be processed at Glencore’s Murrin Murrin facility. The initial mining phase will see the company extract between 2000 and 4000 tonnes of high-grade nickel sulphide ore before it is crushed and screened on-site and sent to Murrin Murrin. Estrella Resources has begun the bulk sample extraction process at its 5A deposit near Kambalda.
Estrella set for nickel bulk sample after Glencore deal
Estrella Resources has signed an offtake and ore processing agreement with Glencore subsidiary Murrin Murrin Operations for 2000 to 4000 tonnes of bulk metallurgical sample from its 5A nickel mine near Kambalda. The company says a positive process outcome from the bulk metallurgical sample will give Estrella a strong base from which to fully develop the 5A nickel mine using simple pit cutback methods.
Estrella upgrades nickel resource, presses ahead with DFS
ASX-listed Estrella Resources has announced an upgrade of the nickel resource estimate at its Spargoville project’s 5A deposit, about 20km south-west of Kambalda, with most of the resource now in the more confident “measured” category. The measured part of the mineral resource at 5A now sits at 60,000 tonnes, grading 2.8 per cent nickel, 0.22 per cent copper and 0.06 per cent cobalt, giving up 1,640 tonnes nickel and 130 tonnes copper.
Estrella highlights resource for Goldfields nickel deposit
Estrella Resources has declared a maiden inferred mineral resource estimate of 0.86 million tonnes at 0.66 per cent nickel and 0.42 per cent copper at its T5 deposit in the Goldfields region of WA. The company says the latest estimate underpins an updated JORC exploration target of five to seven million tonnes at 0.7 to 1.5 per cent nickel and 0.3 to 0.5 per cent copper for the basal contact at its wholly owned Carr Boyd nickel project 80km north-east of Kalgoorlie.
Estrella eyes resource upgrade after latest WA nickel hits
Estrella Resources will turn its attention to upgrading its resource after the final chapter of resource drilling at its Spargoville nickel project near Kambalda in WA delivered a raft of solid intercepts. Assay results from two diamond holes sunk beneath the Spargoville 5A deposit include 2.76m at 3.58 per cent nickel from 71.46m and 2.2m going 3.17 per cent nickel from 61m.
Estrella results lock onto Kalgoorlie nickel targets
Estrella Resources has received positive assay results showing multiple nickel intersections at the company’s T5 deposit, part of its wholly owned Carr Boyd project north-east of Kalgoorlie in WA’s Goldfields. The company says the results show mineralisation plunges down and to the south with a clear opportunity at depth where the deposit remains open. Estrella Resources has returned positive nickel and copper assays at its T5 deposit.
Double boost with assays, infrastructure for Estrella
Estrella Resources has been buoyed by more positive assay results and the bonus of additional key infrastructure as the company moves towards production at its Spargoville nickel project near Kambalda in WA’s Goldfields. Latest results from resource drilling below the Spargoville 5A deposit include a 6.8m hit going 4.4 per cent nickel from 66.2m including 1.76m at 10.21 per cent. A second hole recorded a 4.05m section reading 3.05 per cent nickel from 76.9m including a 1.28m hit at 7.28 per cent.
High-grade nickel assays bolster Estrella mining bid
Nickel-focused Estrella Resources is becoming increasingly bullish about shifting into production after receiving further high-grade assays from resource drilling at the company’s Spargoville nickel project near Kambalda in WA. Significant assays from the latest diamond drilling into the deposit include 3.45m going 5.46 per cent nickel from 70m, containing a high-grade 1.2m at a stunning 10.85 per cent from 72m, 11.12m at 1.68 per cent from 59m and 2.7m at 2.47 per cent from 74m.
More high-grade WA nickel assays as mine looms for Estrella
Estrella Resources says it remains on target to kick off full-scale mining of the company’s 5A resource in early 2023 after further high-grade assays at its Spargoville nickel project near Kambalda in WA. With drilling coming to an end, Estrella will now move to extract between 2000 and 4000 tonnes of material for metallurgical testing. The company says plans to calculate a revised mineral resource estimate will feed into ore reserve and pit optimisation modelling.
Nickel sulphide hit extends Goldfields project for Estrella
Estrella Resources has extended its T5 deposit by 300m south after step-out diamond drilling hit semi-massive nickel-copper sulphides. The explorer says its hole, part of the company’s Carr Boyd project in WA’s Goldfields region, intersects 1.8m of semi-massive to globular sulphides from 929m came within a broader 21.2m mineralised zone. Down-hole electromagnetic surveys are set to commence soon at the project.
Estrella spies semi-massive sulphides in copper-nickel deposit
Estrella Resources has recorded a 17m intersection of semi-massive to disseminated nickel-copper sulphides at its Broonhill deposit, part of the company’s Carr Boyd nickel-copper project near Kalgoorlie, in WA. The company says results show Broonhill remains open along strike, is increasing in scale and a separate deposit to the T5 mineralisation 1.5km to the south. Mineralisation at Estrella Resources’ Broonhill deposit.
Nickel results back Estrella bid to fast-track mining
Estrella Resources says high-grade results from resource confirmation drilling at its Spargoville nickel project near Kambalda in WA indicate a move to producer status in the near future is within reach. First assays from a hole drilled at the company’s 5A resource returned a 3.4m intersection recording 8.2 per cent nickel, 0.6 per cent copper, 0.2 per cent cobalt and 21.5 per cent sulphur from 65.16m.
Estrella hits nickel at Kalgoorlie step-out campaign
Perth-based nickel explorer Estrella Resources has struck nickel-copper sulphides in the first three step-out holes drilled at its T5 prospect 80km north-east of Kalgoorlie in WA’s Goldfields region. The company says the intercepts show mineralisation continues to the south beyond downhole electromagnetic plates from previous drilling of the prospect at its wholly owned Carr Boyd nickel project.
Estrella kicks off drilling at Kambalda for nickel DFS
Estrella Resources has begun resource confirmation and metallurgical drilling at its Spargoville nickel project in Kambalda as the company prepares to produce a definitive feasibility study of its 5A nickel mine resource. Drilling contractor Topdrive Drillers Australia has mobilised at the Spargoville project, that Estrella acquired in late 2017 when it purchased WA Nickel, with planning ongoing for an open pit cutback at the site’s 5A nickel mine.
Estrella to drive nickel production at WA play
Estrella Resources says an appreciation in nickel price will see it accelerate development plans for its Spargoville project located about 20km southwest of Kambalda, WA. The company picked up the rights to the operation during a lull in the nickel price and believes under current conditions it could be scrubbed up to be a lucrative play which warrants the mines development.
Estrella ramps up WA nickel play
Estrella Resources says an appreciation in nickel price will see it accelerate development plans for its Spargoville project located about 20km southwest of Kambalda, WA. The company picked up the rights to the operation during a lull in the nickel price and believes under current conditions it could be scrubbed up to be a lucrative play which warrants the mine's development.
Estrella recruits second rig in Goldfields nickel hunt
Estrella Resources has rallied a second rig to accelerate exploration at its 100 per cent owned Carr Boyd nickel and copper sulphide project, 80km northeast of Kalgoorlie in WA. The company is wheeling the brand new UDR1200 diamond drill rig to the T5 prospect where it will target expansions to the mineralisation along strike and at depth. The holes will initially test an array of downhole electromagnetic plates generated from earlier drilling.
Nickel assays flow for Estrella
With the backlog at the labs clearing up the assays are now flowing for Estrella Resources as the explorer continues its methodical drilling across various targets at its 100 per cent owned Carr Boyd nickel and copper sulphide project, 80km northeast of Kalgoorlie in WA. Most assays from the phase 4 RC drilling campaign have now been received and Estrella says the results confirm nickel-copper enriched sulphide plume along most of the T5-Broonhill pyroxenite.
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