Orosur Mining Inc (LSE:OMI) released strong gold assay results from the final three infill drill holes completed at the Pepas prospect within its Anzá project in Colombia, confirming the presence of substantial near-surface, high-grade mineralisation.
Highlights from the latest drilling include 47.60 metres grading 3.43 grams per tonne of gold from surface in hole PEP072B, 104.45 metres at 5.96 grams per tonne from surface in PEP073, and 71.35 metres at 6.46 grams per tonne from surface in PEP074. The results further reinforce the scale and continuity of mineralisation at Pepas.
With the completion of the infill programme, Orosur has now delivered the full gold assay dataset to independent resource consultants, who have commenced work on the Mineral Resource Estimate (MRE) modelling process. In parallel, the company has started evaluating potential development and economic extraction pathways for Pepas under Colombia’s permitting regime, including early engagement with local technical advisers on environmental and social study requirements.
Following the Christmas break, drilling activities have resumed at Anzá with the mobilisation of a new rig to begin a regional reconnaissance programme north of the Pepas deposit. This work is designed to improve understanding of the broader litho-structural controls on mineralisation across the wider project area.
Orosur has also significantly expanded its land position, with two major mineral exploration applications successfully converted into exploration licences. As a result, the area covered by granted exploration licences has increased by 65% to 173 square kilometres, all located within the mining-supportive Anzá municipality.
Commenting on the progress, Orosur CEO Brad George said: “The Company starts 2026 in a very different position to a year ago. One deposit (hopefully) soon to enter feasibility, two rigs turning in two countries and an increasing list of high-quality targets lining up to be next. Exciting times.”
The Anzá Project comprises a portfolio of exploration titles and applications covering approximately 327 square kilometres within the Mid-Cauca gold belt, west of Medellín. Orosur secured 100% ownership of the project in November 2024 following the acquisition of Minera Monte Aguila from its former joint venture partners, Newmont Mining and Agnico Eagle Mines.
More about Orosur Mining Inc
Orosur Mining Inc is a Latin America–focused gold exploration and development company with projects in Colombia and Argentina. The company is advancing the Anzá gold project in Colombia while also progressing exploration and development activities across its broader portfolio, with a strategy centred on resource growth and value creation through disciplined exploration and project advancement.

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