Quimbaya Gold [CSE:QIM] has reported encouraging early results from its first diamond drilling campaign at the Tahami South target in Colombia, offering fresh evidence that the junior explorer may be tapping into the geological hallmarks of the prolific Segovia-Remedios gold district.
The CSE-listed company said assays from its ongoing programme confirmed high-grade gold and silver mineralisation across two distinct vein systems within its wholly owned Tahami Project in Antioquia.
The findings, while still at an early stage, strengthen the case that Tahami South hosts structurally continuous mineralised zones comparable to those that underpin Segovia’s long-standing mining history.
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Among the headline results were two intercepts from what the company refers to as Vein S, a silver-dominant structure. One returned 1.0 metre grading 9.8 grams per tonne gold equivalent, made up of 0.77 g/t gold and a striking 528 g/t silver, around 17 ounces per tonne.
A second intercept yielded 0.9 metre at 9.0 g/t gold equivalent, including 2.57 g/t gold and 378 g/t silver. Visual tracing suggests the vein extends for at least 1.6 kilometres along strike.
A second structure, Vein V, delivered a further 0.9 metre intercept grading 3.0 g/t gold equivalent, comprising 1.03 g/t gold and 113 g/t silver. While lower grade, this intercept is significant because it confirms continuity along roughly 800 metres of strike and introduces a polymetallic signature that includes lead and zinc.
Broader mineralised corridor
Taken together, the results indicate two structurally distinct vein orientations with differing metal assemblages, a common feature of the Segovia district’s intermediate-sulphidation epithermal systems. Quimbaya says this geological complexity supports the idea of a broader mineralised corridor rather than isolated occurrences.
The Phase 1 drilling programme comprised 12 diamond drill holes totalling 5,320 metres, drilled from seven platforms. Assays have been received for eight holes, representing just over 4,000 metres, with results pending for the remainder. Mineralised intercepts were returned from five of the seven platforms tested, suggesting that the target structures are distributed across a north-south extent of approximately 2.2 kilometres.
Alexandre Boivin, Quimbaya’s chief executive, said the results had exceeded expectations for an inaugural campaign. “Two distinct vein systems, high-grade silver and gold, and structural continuity over more than a kilometre — all from our first drilling at Tahami South — give us the confidence to advance the project systematically,” he said.
The company had previously reported that eight of nine drill holes intersected mineralised structures based on visual logging. The assays now clarify how grade is distributed within those structures.
Four holes returned significant gold and silver values, while the remainder cut lower-grade margins of the vein corridor. This pattern of higher-grade shoots embedded within a broader mineralised envelope is typical of Segovia-style vein systems.
Highest grade silver so far from Tahami
Vein S trends north-northeast to south-southwest and hosts silver-rich mineralisation associated with quartz-carbonate veining and galena. The 528 g/t silver intercept is the highest-grade silver result reported so far from the Tahami Project. Vein V, by contrast, strikes northeast-southwest and carries a more classical gold-silver-lead-zinc assemblage, with zinc values reaching 0.2 per cent in places.
Ricardo Sierra, Quimbaya’s vice-president of exploration, said silver’s prominence was a positive indicator rather than a distraction. In Segovia, he noted, silver often acts as a pathfinder for gold, forming halos around higher-grade gold zones. “The grades we are seeing tell us we are drilling the right structures,” he said.
For now, armchair traders will be watching to see whether follow-up drilling can demonstrate scale as well as grade. But as first passes go, Tahami South appears to have started on solid geological footing.
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