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Liberty’s First Oko North Assays Point to a Hard-Rock Gold Source

Mining By Maxwell Dee 3 min read

Liberty Metals’ maiden rock chip program at Oko North has returned four samples above 1 g/t gold, including a peak assay of 2.322 g/t. The reconnaissance results support the company’s interpretation that historical alluvial gold may be sourced from hard rock within its Guyana tenure, but drilling is still required to test continuity and scale.

  • Peak assay of 2.322 g/t gold from an outcropping quartz vein
  • Four of 55 reconnaissance samples returned more than 1 g/t gold
  • Mineralisation identified in quartz veins, sheared granite and conglomerate
  • Approximately 5,000 soil samples are being collected across Oko North and Oko South
  • Maiden drilling targets to be defined after follow-up geochemistry and trenching

Rock Chips Identify Multiple Gold-Bearing Hosts

Liberty Metals Ltd (ASX:LIB) has received its first modern assay results from the Oko North Project in Guyana, with a peak result of 2.322 g/t gold from an outcropping grey quartz vein. Four of the 55 reconnaissance rock chip samples returned more than 1 g/t gold, giving the company an early indication that gold is present in several hard-rock settings across the tenure.

The strongest results were spread across different geological hosts: a clean white quartz vein returned 1.451 g/t, sheared granite produced 1.937 g/t, the peak grey quartz vein sample returned 2.322 g/t, and red conglomerate assayed at 1.078 g/t. Other samples ranged from below detection to 0.779 g/t, including material collected from quartz veins and artisanal workings.

Results Support a Local Source for Alluvial Gold

Liberty says the assays fit its interpretation of Oko North, where field mapping has identified extensive artisanal workings, quartz veining, basement shearing and hydrothermal alteration. The company also points to coarse, angular gold recovered from nearby creek sediments as evidence supporting a proximal source, rather than gold transported over a significant distance.

That is the more important geological message behind the headline grade. The sampling was deliberately conducted without selecting visible gold, and the company says the hard-rock results connect the surface workings with a potentially underlying mineralised system. Executive chairman Nicholas Katris described the results as an encouraging start, while emphasising the combination of grades across quartz veins, sheared felsic rocks and paleo-conglomerates.

Soil Program and Drilling Targets Remain Ahead

Liberty is now using the rock chip results alongside an approximately 5,000-sample soil geochemical program covering both Oko North and Oko South. The survey is being supported by Portable PPB’s DetectORE technology and pXRF analysis, with the stated aim of identifying and prioritising gold-in-soil anomalies along the interpreted Oko structural trend.

Follow-up mapping, trenching and further sampling are planned for higher-priority anomalies before a maiden drilling campaign at Oko North. No drilling has yet occurred on Liberty’s ground, and the company has not estimated a mineral resource or ore reserve.

Reconnaissance Evidence Still Has Sharp Limits

The results are encouraging, but they are not intersections and cannot establish mineralisation width, depth or continuity. Rock chip samples are selective by nature, and Liberty notes that coarse gold can create sampling variability or a nugget effect. The assays therefore strengthen the exploration case without yet demonstrating an economic deposit.

The next meaningful test will be whether the soil anomalies define coherent targets that survive trenching and, eventually, drilling. Until then, Oko North remains a greenfields exploration story with promising surface evidence but no resource defined.

Bottom Line?

The assays have moved Oko North from geological theory to a credible drill-target generation story, but the investment case now depends on whether surface grades translate into continuity at depth.

Questions in the middle?

  • Will the 5,000-sample soil program identify coherent anomalies across Oko North and Oko South?
  • Can trenching and drilling confirm meaningful widths and continuity beyond selective rock chip samples?
  • How will coarse gold and sampling variability affect the reliability of future exploration results?