New High-Grade Discovery Expands Sulista Rare Earth District
More than 4.5 km of the southern exploration corridor remains untested, with a diamond drilling campaign exceeding 10,000 m underway.
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Rhea-AI Summary
Brazilian Rare Earths (BRELY) announced a Sulista South rare earth discovery spanning 500 m of strike, alongside drilling progress at Sulista East.
Drilling intersected multiple stacked mineralised seams reaching up to 18 m true thickness, with reported grades up to 13.3% total rare earth oxides (TREO). Mineralisation remains open along strike and at depth. At Sulista East, drilling extended strike 350 m north and 80 m south beyond the current resource footprint. Infill drilling confirmed continuity, geometry and grade distribution in areas classified as Inferred, supporting assessment of potential conversion to the higher-confidence Indicated classification. The company targets an updated Sulista Mineral Resource Estimate by end-2026, incorporating new results and further drilling.
Positive
- Minor pointSulista South discovery spans 500 m of strike, with mineralisation remaining open along strike and at depth.
- Minor pointMineralised seams reach up to 18 m true thickness, with reported grades up to 13.3% TREO.
- Minor pointSulista East strike extended 350 m north and 80 m south beyond the current resource footprint.
- Minor pointSulista East infill drilling confirmed continuity, geometry and grade distribution, supporting potential resource classification upgrades.
- Minor point. Forward-looking: it has not happened yet and may not happen.Diamond drilling exceeding 10,000 m is underway; planned Stage 2 and Stage 3 target the remaining untested southern corridor.
4 minor points
- Minor point. Forward-looking: it has not happened yet and may not happen.2,000 m of follow-up drilling at Sulista South is planned for completion.
- Minor point. Forward-looking: it has not happened yet and may not happen.Further 5,000 m of Sulista East drilling targets conversion of a substantial majority of resources to Indicated.
- Minor point. Forward-looking: it has not happened yet and may not happen.Updated Sulista Mineral Resource Estimate is targeted by the company for end-2026.
- Minor point. Forward-looking: it has not happened yet and may not happen.Sulista feed potential could add high-grade material to the planned Camaçari processing hub, the company said.
Negative
- Minor pointAdditional Sulista processing feed depends on further resource definition and technical studies; Sulista was excluded from the published Scoping Study.
Key Figures
- Sulista South discovery strike
- 500 m
- Multiple stacked rare earth mineralised seams
- True thickness
- Up to 18 m
- Sulista South mineralisation
- TREO grade
- Up to 13.3%
- Sulista South mineralisation
- Sulista East strike extension
- 430 m
- 350 m north and 80 m south beyond the current Mineral Resource footprint
- Diamond drilling program
- Exceeding 10,000 m
- Underway across the exploration corridor
- Updated Sulista Mineral Resource Estimate
- End of 2026
- Target timing
Historical Context
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The Monte Alto–Camaçari Scoping Study excluded Sulista, which this announcement also states.
24h Move is the share-price change in the day after each event; other market factors may also have contributed.
Key Terms
jorc regulatory
AI-generated analysis. How Rhea-AI works. Not financial advice.
Sulista South discovery spans 500 m of strike, as new strike extensions and successful infill drilling at Sulista East advance towards year-end Mineral Resource Estimate update
SYDNEY, Sept. 30, 2026 (GLOBE NEWSWIRE) -- Brazilian Rare Earths Limited (ASX: BRE / OTCQX: BRELY) ('BRE') announces results from its Stage 1 exploration drilling and prospecting at Sulista South and ongoing infill and step-out drilling at the Sulista East Deposit, approximately 80 km southwest of Monte Alto, in Bahia, Brazil.
HIGHLIGHTS
- New high-grade discovery at Sulista South: Stage 1 diamond drilling 800 m south of Sulista East deposit has intersected multiple stacked rare earth mineralised seams across 500 m of strike. Mineralisation reaches up to 18 m true thickness, with reported grades up to
13.3% TREO. Mineralisation remains open along strike and at depth. - More than 4.5 km of exploration corridor remains untested: The southern exploration corridor beyond the new discovery offers substantial scope for further exploration, with a diamond drilling campaign exceeding 10,000 m underway.
- Sulista East strike extended 430 m with step-outs: Diamond drilling has extended the Sulista East strike by 350 m north and 80 m south beyond the current Mineral Resource footprint, supporting assessment of potential resource additions.
- Infill drilling builds geological confidence: Successful infill drilling at Sulista East has enhanced the continuity and geological confidence of the main mineralised deposit, which will inform assessment of potential conversions from Inferred to Indicated classification.
FIGURE 1: SULISTA SOUTH DISCOVERY AND SULISTA EAST EXPANSION
RESOURCE UPDATE AND DEVELOPMENT PATHWAY
- Infill drilling validates Sulista East: Close-spaced drilling at Sulista East has confirmed continuity, geometry and grade distribution across areas currently classified as Inferred, strengthening confidence in the geological model and supporting potential conversion from Inferred to Indicated classification.
- Sulista offers potential growth beyond the published Scoping Study case: Sulista was excluded from the Monte Alto + Camaçari Scoping Study. Sulista has the potential to provide additional high-grade feed to the planned Camaçari processing hub, subject to further resource definition and technical studies.
- Updated Sulista Mineral Resource targeted by end-2026: The resource estimate will incorporate the new results and further step-out and infill drilling.
NEXT STEPS
The priority work program at Sulista includes:
- Complete the 2,000 m of follow-up drilling at Sulista South.
- Advance Stage 2 and Stage 3 of the +10,000 m diamond drilling program, targeting further high-grade discoveries along the remaining 4.5 km of untested southern corridor.
- Complete a further 5,000 m of infill and step-out diamond drilling across Sulista East, targeting conversion of a substantial majority of the Mineral Resource to Indicated classification.
- Updated JORC Mineral Resource Estimate for Sulista, targeted for the end of 2026.
CEO COMMENTARY
“The Sulista South discovery gives us a new high-grade mineralised system to delineate, while successful drilling just at Sulista East is extending known mineralisation and strengthening the geological model. With more than 4.5 km of the southern corridor still untested by diamond drilling, significant exploration opportunity remains ahead of us.
Our next objective is an updated Mineral Resource by the end of 2026. Alongside that work, we will assess how Sulista could underpin additional high-grade feed to our planned Camaçari processing hub and support long-term province-scale growth around shared infrastructure. That potential currently remains outside the published Scoping Study.”
— Bernardo da Veiga, CEO & Managing Director
A link to the complete announcement can be found: here
Contacts
Bernardo Da Veiga
Managing Director and CEO
investors@brazilianrareearths.com
www.brazilianrareearths.com
A photo accompanying this announcement is available at https://www.globenewswire.com/NewsRoom/AttachmentNg/d8112026-18ef-4152-b203-19fad6453d93
FAQ
AI-generated questions and answers. How Rhea-AI works. Not financial advice.
What did Brazilian Rare Earths discover at Sulista South?
Stage 1 diamond drilling intersected multiple stacked rare earth mineralised seams across 500 m of strike. Mineralisation reaches up to 18 m true thickness, with reported grades up to 13.3% TREO, and remains open along strike and at depth.
When does Brazilian Rare Earths target an updated Sulista resource estimate?
Brazilian Rare Earths targets an updated Sulista Mineral Resource Estimate by end-2026. The estimate will incorporate the new results and further step-out and infill drilling.
Was Sulista included in Brazilian Rare Earths' published Scoping Study?
Sulista was excluded from the published Monte Alto + Camaçari Scoping Study. The company sees potential for Sulista to supply additional high-grade feed to the planned Camaçari processing hub, subject to further resource definition and technical studies.