Announcement • 16h
Orosur Mining Inc Releases Results From Six Holes At Pepas West Prospect
Orosur Mining Inc. released results from six holes, including PEP101 - 6.4m @ 2.81g/t Au from surface, PEP102 - 6.85m @ 2.18g/t Au from surface, PEP103 - 10.2m @ 5.77g/t Au from surface, PEP104 - 19.8m @ 1.77g/t Au from surface, PEP105 - 15m @ 2.03g/t Au from surface. Confirmation of extensive, flat lying body of mineralisation - will test different drilling techniques to accelerate definition. The Anzá Project in Colombia comprises a number of granted exploration titles and applications totalling roughly 330km2, within the Mid-Cauca gold belt, west of Medellín. These titles and applications are owned 100% by two Colombian companies, Minera Anzá and Minera Monte Aguila, both wholly owned subsidiaries of Orosur Mining Inc. Since acquiring 100% control of the Project, Orosur Mining Inc. has focussed its attention on three prospects: Pepas - a shallow, high-grade deposit of gold mineralisation for which Orosur Mining Inc. has calculated a Mineral Resource Estimate, announced February 10th, 2026; APTA - a high-grade body of gold mineralisation that has to date seen approximately 40,000m of drilling, with drilling ongoing; El Cedro - a cluster of gold porphyry intrusions in the south of the Project area. Extensive mapping and sampling programs have been undertaken and a rig is currently being mobilised to commence the first drill program ever undertaken at the prospect. Orosur Mining Inc.'s primary focus since reassuming control of the Project in late 2024, was to explore the immediate area of Pepas, ultimately leading to the publication of a maiden Mineral Resource Estimate for the Pepas gold deposit on February 10th, 2026. Following completion of the Mineral Resource Estimate drillout in late 2025, Orosur Mining Inc. then embarked on a semi-regional drilling program around the Pepas deposit. The objective of this drilling program was to better understand the larger scale litho-structural controls that led to formation of the Pepas deposit, such that, in combination with additional mapping and sampling in the wider region, vectors toward additional mineralisation might be developed and ounces added to inventory. Orosur Mining Inc. achieved immediate success with a new zone of shallow mineralisation being identified roughly 100m to the west of Pepas - with first results announced on April 14th, 2026. Drilling has continued sporadically at Pepas West, with occasional pauses to allow access tracks to be developed, however results from these six additional holes (PEP100 to PEP105) continue to demonstrate an extensive zone of surficial, high grade gold mineralisation. Initial drilling at Pepas West had suggested the zone was geologically similar to Pepas, with the same mineralising events, but with a different, parallel structural setting. Recent drilling, however, is developing a more complex picture with the higher-grade surficial mineralisation seemingly a mix of in situ and heavily weathered material that has potentially remobilised downslope from Pepas. While deeper zones remain unresolved, a picture is emerging of a flat lying, surface mineralised zone of perhaps 10m thick, over a wide area, with mineralisation starting from near surface, grading between 1 and 5g/t Au, and often obscured beneath a thin veneer of barren transported soil. The zone is extensively weathered, with scattered enclaves of fresh quartz veins, with very little residual geological or structural texture remaining and, as such, the original litho-structural setting is difficult to determine. Additional drilling and geological studies will be undertaken to endeavour to understand the genesis of Pepas West. Orosur Mining Inc. considers this free digging, flat lying, surficial, high grade oxide gold mineralisation to be a high priority in a near-term production scenario, from the point of view of cost and time required to define, develop and mine. Thus, instead of the currently employed diamond-core drilling, Orosur Mining Inc. will examine the potential of utilising a smaller auger rig to more rapidly define the volume and grade of this extensive surface zone, while also examining the potential for an auger system to be used on a regional basis to sample beneath transported cover. This trial is expected to commence in coming weeks. The current diamond rig will remain on site and be focussed on deeper drilling around Pepas West and other targets. Samples from PEP-012 onwards are sent to Medellin laboratory of Actlabs for preparation and fire assay, with some sample then sent to the Canadian Actlabs facility for multi element assay. 30 gram nominal weight samples are then subject to fire assay and AAS analysis for gold with gravimetric re-finish for overlimit assays of >5 g/t. ICP-MS Ultra-Trace level multi-element four-acid digest analyses may also undertaken for such elements as silver, copper, lead and zinc, etc. Gold intersections are reported using a lower cut-off of 0.3g/t Au over 3m. Intersections are quoted as downhole thicknesses. True thicknesses are unknown.
