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Aruma Resources Uncovers Expansive Gold and Polymetallic Anomalies at Saltwater Project

Mining By Maxwell Dee 3 min read

Aruma Resources has revealed promising soil sampling results from its Saltwater Project in Western Australia, highlighting a significant polymetallic and gold-bearing system with new priority targets. These findings set the stage for advanced exploration activities in 2026.

  • 741 soil samples collected across Saltwater Dome and Tunnel Creek
  • Gold values up to 845ppb with coincident copper, antimony, lead, zinc, and bismuth anomalies
  • Expanded mineralised footprints at Saltwater Pool and Oracle Prospects
  • Luke Prospect at Tunnel Creek confirmed as a high-priority gold target with a 1.65km² multi-element anomaly
  • Next steps include field mapping, infill soil sampling, and electromagnetic geophysical surveys

Exploration Breakthrough in the Pilbara

Aruma Resources Limited (ASX:AAJ) has announced highly encouraging results from its recent soil sampling program at the Saltwater Project, located in the mineral-rich Pilbara region of Western Australia. The extensive program, covering 741 targeted sites across the Saltwater Dome and Tunnel Creek areas, has revealed a large polymetallic and gold-bearing mineralised system, significantly expanding the known footprint of mineralisation.

The Saltwater Dome anomaly now covers approximately 3km² at the Saltwater Pool Prospect and 1.3km² at the Oracle Prospect, with gold assays reaching up to 845 parts per billion (ppb). These gold values are supported by coincident anomalies in copper, antimony, lead, zinc, and bismuth, suggesting a complex and potentially economically significant hydrothermal system.

Tunnel Creek Emerges as a Priority Target

At Tunnel Creek, the Luke Prospect has been confirmed as a standout target, characterised by a compelling 1.65km² multi-element soil anomaly with elevated gold, antimony, and bismuth values. This geochemical signature is typical of orogenic or intrusion-related gold systems, which are known for hosting significant gold deposits. Early-stage anomalies at the Padme and Rabbit Prospects further underscore the broader area's exploration potential.

These findings are particularly notable given the project's location within the Ashburton structural corridor, along strike from Kalamazoo Resources’ Ashburton Gold Project, a known high-grade gold development. The structural complexity and presence of favourable host lithologies exposed by alluvial cover removal add to the project's prospectivity.

Strategic Next Steps for Aruma

Building on these results, Aruma plans to undertake detailed field mapping, infill soil sampling, and electromagnetic (EM) geophysical surveys at both Saltwater Dome and Tunnel Creek. These activities aim to refine drill targets and advance the project towards drill-ready status in 2026. The company also intends to review and potentially relog historical drilling data to better understand the mineralisation and guide future exploration.

Managing Director Grant Ferguson emphasised the significance of the results, stating that the expanding geochemical footprint and robust multi-element anomalism at Saltwater Dome, combined with the confirmation of the Luke Prospect as a priority gold target, represent a major step forward in delineating high-potential zones within the project.

Early-Stage but Promising

While these results are derived from early-stage surface sampling and geochemical analysis, they provide a compelling case for the presence of a significant mineralised system. The polymetallic nature of the anomalies, including base metals alongside gold, suggests multiple mineralisation styles may be present, such as volcanogenic massive sulphide (VMS) and structurally controlled orogenic gold deposits.

Investors and analysts will be watching closely as Aruma progresses its exploration program, with the potential for these targets to evolve into economically viable resources pending further drilling and evaluation.

Bottom Line?

Aruma’s expanded mineral footprint at Saltwater sets a promising platform for drill campaigns in 2026, but confirmation of economic mineralisation remains the critical next hurdle.

Questions in the middle?

  • Will upcoming geophysical surveys at Saltwater Dome and Tunnel Creek confirm drill targets?
  • How might the polymetallic nature of the system influence potential mining strategies?
  • What are the timelines and funding plans for advancing to drilling and resource estimation?