Core Lithium Extends NMRD108 Intersection to 74m at 1.32% Li2O at Blackbeard Prospect

Sonal Goyal

06 November 2026 11:23 AM AEDT

Core Lithium Extends NMRD108 Intersection to 74m at 1.32% Li2O at Blackbeard Prospect

Image Source: Krish Capital Pty Ltd

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Core Lithium Ltd (ASX:CXO) has reported final assay results from diamond drilling at the Blackbeard prospect within its 100%-owned Finniss Lithium Operation, with hole NMRD108 extending a previously reported partial intersection from 29 metres to 74.0 metres at 1.32% Li2O from 209 metres depth, representing an estimated true width of approximately 43 metres.

Key Points

NMRD108 final assays extended the mineralised intersection from 29m to 74.0m at 1.32% Li2O from 209m, with an estimated true width of approximately 43m
NMRD108 is the second-longest downhole mineralised intersection recorded at Blackbeard to date, after NMRD104 which returned 92m at 1.25% Li2O from 92m
NMRD110 returned a broad mineralised zone of 76.7m at 0.77% Li2O from 63.3m, including high-grade zones of 21.7m at 1.28% Li2O from 63.3m and 6.0m at 1.20% Li2O from 114.0m
NMRD106 returned a narrow result of 1m at 0.90% Li2O from 406.2m after intersecting interbedded sandstone and phyllite

NMRD108 Final Assay Results at Blackbeard

Final assay results for NMRD108 have confirmed a thick, continuous zone of high-grade mineralisation, extending the previously reported partial intersection of 29m at 1.35% Li2O from 209m to 74.0m at 1.32% Li2O from 209m, within a 96-metre pegmatite intersection. The hole was drilled at -60 degrees into the steeply dipping pegmatite. The result positions NMRD108 as the second-longest downhole mineralised intersection recorded at Blackbeard to date, confirming thick, high-grade mineralisation approximately 50 metres along strike from SRC117, which previously intersected 41m at 1.63% Li2O from 137m.

NMRD110 Drilling Results and NMRD106 Outcome

NMRD110 was drilled approximately 90 metres west-northwest of NMRD108 to test along-strike continuity of the Blackbeard pegmatite. The hole intersected pegmatite from 57 metres to 141 metres, with further pegmatite intervals recorded at depth. Assays returned a broad zone of 76.7m at 0.77% Li2O from 63.3m, including 21.7m at 1.28% Li2O from 63.3m and 6.0m at 1.20% Li2O from 114.0m. The true thickness of the NMRD110 intersection cannot yet be estimated with confidence, with geological and structural interpretation ongoing. NMRD106, drilled to the south-east to test down-dip extensions of NMRD104, returned 1m at 0.90% Li2O from 406.2m.

Blackbeard Drilling Program Scope and Continuity

The Blackbeard exploration program is a staged and gated diamond drilling campaign totalling 12,150 metres, forming part of Core Lithium's broader strategy of resource growth and mine life extension at Finniss. The filing states that drilling at Blackbeard is ongoing, with results to be released progressively as they become available. The Blackbeard prospect is located less than 20 kilometres from the Finniss processing plant. The information in the filing relating to exploration results was compiled by Mr Paul Smith, a full-time employee of Core Lithium Ltd and a member of the Australian Institute of Geoscientists.

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