Orosur Mining (AIM:OMI), the Colombia-focused gold explorer, has begun drilling to test beneath a cluster of high-grade surface samples southwest of its Pepas West zone at the Anzá project, after one assay returned 79.6 grams per tonne gold.
The outcrop sits along strike from the currently defined Pepas West trend and, if confirmed by drilling, could extend the zone's strike length to close to 200 metres.
The update also disclosed results from five holes (PEP095 to PEP099) drilled around the northern extent of Pepas West, with CEO Brad George noting the picture is "becoming increasingly compelling" despite the latest intersections returning lower grades than the main Pepas deposit.
The company described those results as mixed, with grades generally below Pepas levels and a narrower zone width, attributed to less-silicified host rock.
Access restrictions from an overhead power line that had previously blocked drilling in the southwest area have since been resolved.
Pepas West was itself discovered approximately 100 metres west of the main Pepas zone, as announced on 14 April.
Orosur published a maiden mineral resource estimate for the Pepas deposit on 10 February, and continues drilling at the separate APTA prospect, which has now seen more than 39,000 metres of drilling.
