Sandvik–Aris Mining Marmato gold expansion: mechanised stoping lens for engineers
Reviewed by Tom Sullivan
First reported on International Mining – News
30 Second Briefing
Sandvik Mining has secured a large order from Aris Mining to supply underground loaders, trucks and multiple development, production and longhole drill rigs for the Marmato gold mine expansion in Colombia. The fleet will support deeper underground mining below the existing operation, where ramp haulage and high-intensity stope production will demand high-availability loading and haulage units. For mine planners and engineers, the deal signals a shift towards more mechanised, drill-and-blast stoping at Marmato, with corresponding implications for ground support, ventilation and power distribution design.
Technical Brief
- Package spans both development and production fleets, enabling a single-OEM maintenance and parts strategy underground.
- Unified Sandvik fleet simplifies standardisation of drilling consumables, ground support tooling and boom/rod geometries.
- Common control systems across loaders, trucks and drills facilitate operator cross-training and reduce training time.
- Single-supplier fleet eases implementation of mine-wide digital monitoring, telemetry and maintenance-planning platforms.
Our Take
Sandvik Mining’s recent launch of the My Sandvik Geo drilling-data platform suggests Aris Mining’s Marmato operation could later integrate Sandvik’s digital tools with the new loaders, trucks and drills to tighten control over geotechnical and orebody information in Colombia’s underground conditions.
Our database shows Sandvik Mining appearing across multiple 2026 equipment and technology items, indicating that the Marmato gold contract in Colombia fits into a broader push by Sandvik to deepen its installed base and aftermarket pull through long-life underground mines.
With Sandvik also moving to acquire ThoroughTec Simulation, there is a clear pathway for Marmato’s Sandvik fleet to be supported by OEM-aligned simulator training, which would be valuable for building operator competency in a jurisdiction like Colombia where high-skill underground labour can be a bottleneck.
Prepared by collating external sources, AI-assisted tools, and Geomechanics.io’s proprietary mining database, then reviewed for technical accuracy & edited by our geotechnical team.
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