Critical Resources expands Suriname gold strategy to 228 km²

Suriname portfolio reaches 228 km² under exclusivity

Critical Resources Limited (ASX:CRR) has made Suriname the defining feature of its latest quarter, securing exclusivity over three gold projects covering approximately 228 km². The proposed transactions would give the company 90% interests in Gonini, Greenstars and Gadu Manda, but none has yet become a completed acquisition.

“Aerial view of small-scale workings in primary material on the Gadu Manda Project - October 2026.”

“Location of the Gadu Manda, Greenstars and Gonini Gold Projects and other gold deposits within the Suriname greenstone belt.”

Caption and image © Critical Resources Limited. From “Quarterly Activities/Appendix 5B Cash Flow Report”, 30 Oct 2026.

The third addition, Gadu Manda, sits about 4 km from Zijin Mining’s Rosebel open pits and was announced after the reporting period. It brings the portfolio alongside the two larger positions secured during the quarter: Gonini, covering about 164 km², and Greenstars, covering about 35 km². The company has also engaged Guiana Shield structural specialists GexplOre, with initial results expected by mid-November 2026, to help identify prospective structures before field programs begin.

That land position is the strategic appeal. Suriname is an established gold-producing jurisdiction, but Critical Resources’ own projects remain greenfield exploration assets: the company has reported no exploration results, exploration targets, mineral resources or ore reserves for them. Completion remains conditional on due diligence, regulatory approvals, binding agreements and other conditions precedent. The earlier third Suriname project was described as a 29 km² position near Rosebel with no reported resources or exploration results.

New Zealand targets advance without a drill-ready result

Critical Resources’ New Zealand portfolio produced more conventional exploration progress. At the Stony Creek target within Lammerlaw, 143 soil samples outlined arsenic, antimony and tungsten anomalies across about 3.2 km, including a peak portable XRF reading of 238 parts per million arsenic. The company cautions that these readings are qualitative and are not laboratory assays or evidence of gold grade.

“Mayview Antimony Prospect with surface rock samples.”

At Silver Peaks, a review of more than 1,250 historical soil and stream-sediment records identified three targets for field verification. Cap Burn drilling remains in planning, while Mayview access negotiations in New South Wales continue to hold up a low-impact soil and mapping program around an antimony-gold prospect.

Battery program moves from coin cells to engineering questions

The company’s technology portfolio also produced measurable laboratory milestones. Peer-reviewed work on the dry supersonic deposition cathode process reported approximately 154 mAh/g, about 85% capacity retention over 500 cycles at 1C and coulombic efficiency above 99.5% in coin cells using a liquid-electrolyte reference.

A full-format hand-assembled pouch cell using the DSD LFP/LLZO cathode matrix then completed more than 780 hours, or 65 cycles, at 0.2C, retaining about 75% of its initial capacity. The earlier full-format pouch testing provided the same laboratory baseline, but the company’s proprietary amorphous solid-state electrolyte has not yet been integrated into a complete cell. CSIRO’s Kick-Start collaboration is now applying digital-twin modelling to process optimisation and scale-up planning.

Cash runway leaves little room for execution delays

The financial constraint is harder to ignore than the breadth of the project list. Critical Resources reported A$1.58 million in cash and cash equivalents at 30 September, after A$568,000 of operating cash outflows and A$258,000 of investing outflows during the quarter. On the company’s calculation, that represents 1.87 quarters of funding at the reported rate of relevant expenditure.

The placement raised A$1.125 million in cash during the quarter, while a further A$475,000 director tranche remains subject to shareholder approval. The company said it would adjust operating and exploration expenditure as required and continues to assess funding options. Its latest A$1.6 million placement was intended to support exploration and technology programs, but the current cash position means the next funding decision may arrive before the Suriname work has generated meaningful exploration evidence.