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Monument Mining Limited Announces Drill Assay Results Highlighting Selinsing Gold Mine Expansion Potential
Monument Mining Limited announced the results of an additional twenty-three holes that have been received with high gold assay results from the Buffalo Reef/Felda areas and updated drilling activities, under the mine expansion drilling program at the Selinsing Gold Mine, located in Pahang State in the Central Gold Belt of Western Malaysia. The Stage 1 and Stage 2 drilling for mine expansion program have completed, including 123 holes for 17,136m, compared to the planned 118 holes for 17,477m. Further drilling programs are under review. Results from twenty-three completed drill holes of the Buffalo Reef/Felda Mine Expansion Drilling Program have been received, with high gold assay results returned. STrue widths will be determined once geological modelling has been completed. Buffalo Reef/Felda mine expansion drilling contains Stage 1 and Stage 2 as a part of the Selinsing gold mine expansion program. The target area covers 115 acres of land, laying the foundation to evaluate the potential to extend the currently defined Mineral Resources, and to convert the current resources to reserves that are currently constrained by tenement boundaries. Success of exploration may potentially support the pit expansion at Buffalo Reef/Felda and inform future Life of Mine planning, subject to the tenement extension. An additional twenty-three assay results were received from diamond drill holes. Drill holes continue to intersect multiple zones of gold mineralization in Stage 1 and Stage 2 targets. Continuity between previously modelled mineralized domains, and mineralized intervals intersected in drill holes, and between some drill holes is evident, which will likely result in an increased Inferred Mineral Resource. The sampling technique used in the drill program is half core sampling of PQ and mainly HQ sized diamond drill core using a core saw. Samples are stored at the Selinsing project stores warehouse before being transported to Port Klang by Monument’s regular freight provider. Samples are shipped directly to SGS Port Klang once every week. All samples are submitted to SGS Malaysia laboratory in Port Klang, Selangor, for analysis using fire assay, ICP analysis and CS for carbon and sulphur analysis. Pulps and coarse residue samples are returned to site for future QAQC studies. Certified reference material is supplied by Geostats and inserted approximately every 15m, blanks are inserted approximately every 10m. All assay results are verified by Monument staff before being entered into the Microsoft access database. All QAQC data is examined to ensure validate of the results. All collar locations are surveyed using DGPS by Monument’s on-site survey team. Downhole surveying is conducted on all drill holes using a Trushot digital down hole survey tool, captured data is communicated wirelessly from the tool to the handheld device. Surveys are generally undertaken every 30-50m. Drill core recovery is recorded at the time of drilling by the driller and checked during logging by onsite geology team. Core recovery is determined by measuring each 1m interval. Logging is qualitative in nature recording lithology, grain size, texture, weathering, structure, alteration, veining, sulphides etc. All holes are logged in full. Buffalo Reef/Felda expansion drilling commenced on May 7th, 2025, utilizing two in-house drill rigs; Desco SP 6500SA rigs. A further seven outsourced drill rigs have since began operation at Buffalo Reef bringing the total number of drill rigs to nine. Stage 1 and Stage 2 drilling for the mine expansion program have now been completed, covering priority targets including the BRC2–BRC3 gap, the BRC3–BRC4 gap, and down-dip extensions. The results will be incorporated into geological interpretation, resource modelling, and future mine-planning work. Monument anticipates all the drilling assays results to be received by June 2026. To date, one hundred twenty-three drill holes have been completed for 17,136.1m, with assay results received for ninety-eight holes as of 21st May; nineteen holes remain pending assay results.