European Cobalt completes adit extensions at Dobsina cobalt-nickel-copper project

European Cobalt ASX EUC adit extensions Dobsina cobalt-nickel-copper Slovakia Joremeny Gotthard Karol Upper Joremeny Langenberg
European Cobalt has expanded the Joremeny adit access within Dobsina to 3,300m to enable channel sampling and mapping.

Aspiring producer European Cobalt (ASX: EUC) continues to advance its Dobsina cobalt-nickel-copper project in central Slovakia, with the completion of more than 5km underground access for exploration.

Five portal re-entries – at Joremeny, Gotthard, Karol, Upper Joremeny and Langenberg – have now been completed for a total 5,108m of access and will enhance European Cobalt’s ability to more directly target the Dobsina mineralisation.

The Joremeny adit is the longest of the group, with a total accessible underground development within the tenure of 3,300m. An expanded drilling program is being planned to phase in additional rigs over time at newly-identified locations within the adit.

At Gotthard, early rock chip and channel sampling has confirmed the high-grade nature of cobalt-nickel mineralisation exposed via workings.

Massive sulphide veining is evident within the workings and detailed mapping of these will be conducted on completion of an underground survey.

European Cobalt said further adits have also been identified, including an unnamed adit to the south of Karol which has returned initial grab sample grades of 0.97% cobalt and 0.45% nickel, and 0.89% copper and 0.38% antimony.

The Karol adit covers a considerable extent of strike in an area where only limited historical exploration information has been documented, requiring European Cobalt to conduct additional sampling activities to gain an understanding of the mineralisation.

Joremeny refurbishment

The Joremeny adit has been subject to a major refurbishment program which commenced in October to expand the adit’s access to 3,300m and allow for an extensive channel sampling and mapping program.

The refurbishment aims to validate historical grades of cobalt-nickel mineralisation and to identify potentially-untested zones within the southern branch of the Joremeny vein.

European Cobalt said the last remaining collapsed ground within the adit has now been cleared, facilitating access to the entire system.

The installation of services and further ground support will progress concurrently with underground surveying, channel sampling, detailed mapping, and bulk sampling for metallurgical testwork.

Multiple underground drill rigs will also be phased in over time to substantially increase the scale of the Joremeny drill campaign.

European Cobalt managing director Rob Jewson said the Joremeny refurbishment has been a “critical milestone” for the development of the Dobsina project.

“The information and operational experience we will gain through the [refurbishment] process is invaluable to understanding the development parameters at Dobsina,” he said.

“The ability to take extensive samples of the mineralisation [and] complete detailed mapping to understand the geometry and controls will greatly assist with [our] geological understanding of the project.”

At midday, shares in European Cobalt were up 5.88% to A$0.054.

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