LONDON (ShareCast) - (Sharecast News) - Orosur Mining reported strong progress across its gold exploration portfolio in Colombia and Argentina on Thursday, including high-grade assay results at its Pepas prospect, confirmation of multiple porphyry targets at El Cedro, and the imminent start of drilling at its El Pantano project in Argentina.
At the Anzá project in Colombia, where Orosur now holds 100% ownership following its acquisition of former joint venture partner stakes, the AIM-traded company said recent drilling at Pepas returned exceptional gold grades. Results included 33.3 metres at 2.84 grams of gold per tonne in hole PEP065, 33.8 metres at 2.79 grams per tonne in PEP065B, and 112 metres at 5.25 grams per tonne from surface in metallurgical hole PEP066.

Resource consultants were due on site next week to start work on a maiden mineral resource estimate, which the firm aimed to complete by the end of the year.

At El Cedro, soil geochemistry results confirmed strong gold potential, with assays exceeding one gram of gold per tonne in some samples and mapping indicating the presence of multiple porphyry intrusions within the same structural corridor.

A second porphyry target had been identified to the south of the main system, with plans for further sampling and a detailed airborne magnetic and radiometric survey later in the year ahead of a maiden drilling campaign in early 2026.

In Argentina, Orosur said a drill rig had arrived at its 51%-owned El Pantano project in the Santa Cruz province, where a 3,000-metre reconnaissance diamond drilling programme was about to begin.

The project covers 550 square kilometres in the prospective Deseado Massif region and represents a largely untested low-sulphidation epithermal gold-silver system.

"Post our recent capital raising, Orosur is now free to explore," said chief executive Brad George.

"Our strategy of geological selection, 100% ownership and examining near term production is paying dividends, positioning us well in this buoyant gold market."

Orosur said the upcoming NI 43-101 technical report for Anzá would consolidate recent exploration results and could include a formal resource estimate for Pepas, while further drilling was planned at the APTA deposit later in the year to advance it toward an initial resource.

At 1344 GMT, shares in Orosur Mining were up 3.1% at 21.65p.

Reporting by Josh White for Sharecast.com.

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