03:48:59 EST Tue 09 Dec 2025
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Goldcliff Resource Corp (2)
Symbol GCN
Shares Issued 76,607,907
Close 2025-12-08 C$ 0.07
Market Cap C$ 5,362,553
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Goldcliff see Panorama testwork return 88% Au recovery

2025-12-08 21:22 ET - News Release

Mr. George Sanders reports

GOLDCLIFF CONFIRMS POTENTIAL FOR NON-CYANIDE GOLD RECOVERY AT PANORAMA RIDGE

Goldcliff Resource Corp. has confirmed that recent metallurgical testwork by Dundee Sustainable Technologies indicates that gold mineralization from Panorama Ridge may be amenable to Dundee's patented Clevr non-cyanide gold recovery process.

Initial results are encouraging. Testing of York zone drill core achieved 88-per-cent gold recovery using the Clevr process with a thermal oxidation pretreatment. While these results are preliminary and additional testwork and optimization will be required, management considers the outcome positive enough to continue evaluating this innovative and environmentally responsible processing option.

In September, several drill core samples representing a range of grades, lithologies and mineralized zones were collected from Panorama Ridge. Six samples from the York zone -- grading from 0.2 gram per tonne gold to 2.5 g/t Au and spanning two lithologies -- were crushed and blended into a composite grading 0.74 g/t Au. Following thermal oxidation, the composite tested at 0.71 g/t Au. After one hour of Clevr leaching, an 88-per-cent gold recovery was recorded.

Dundee explains in its report to Goldcliff that a key feature of the Clevr process is its closed-circuit, zero-effluent design. The solid residue produced is inert, sulphide depleted and non-acid generating. A toxicity characteristic leaching procedure completed on the residue confirmed that all monitored elements were below TCLP thresholds. By removing the requirement for cyanide and avoiding the need for a conventional tailings pond, Clevr offers the potential for lower environmental risk and a reduced surface footprint.

Dundee has recommended additional laboratory work to better define material concentration behaviour, pretreatment requirements and gold recovery characteristics. Goldcliff anticipates continued collaboration with Dundee Sustainable Technologies as it works to further evaluate the potential of the Panorama Ridge gold project.

Paul Saxton, PEng, qualified person as defined by National Instrument 43-101, supervised the preparation and verification of the technical information contained in this release. Mr. Saxton is a company director and non-independent.

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