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Pantera completes first modern exploration program at historic US silver-antimony district

Jane Morgan Management 2 mins read

High-Grade Antimony Results Confirm Drill Targets at Pantera’s Gillham Project, USA

Pantera Minerals Limited (ASX: PFE) (OTCQB: PTMLF) has confirmed high-grade antimony and polymetallic mineralisation at its 100%-owned Gillham Project in southwest Arkansas, USA, with first-pass modern exploration delivering results that validate the project’s potential and define multiple priority drill targets.

The results mark the first modern exploration undertaken at Gillham and include rock chip assays of up to 3.92% antimony (Sb) alongside strong silver, lead, gold and base metal mineralisation.

Soil sampling has further reinforced the scale of the mineralised system, with peak values of 2,660ppm antimony, defining coherent anomalies extending up to ~500m in strike and supported by coincident arsenic, zinc and lead anomalism.

Strong Results Across Multiple Prospects

Key assay results include:

  • 3.92% Sb, 0.47% Pb, 10.3g/t Ag

  • 1.1% Sb, 1.32% Pb, 6g/t Ag

  • 1.96% Cu, 1.465% Zn, 0.29% Pb

  • 4.79% Pb, 0.22% Cu, 20.5g/t Ag

  • 1.59g/t Au and 0.47g/t Au

These results confirm high-grade mineralisation across several key prospects including Stewart, Davis Mine and newly identified gold targets, highlighting the polymetallic nature of the system and its potential for multiple mineralised zones.

Importantly, no drilling has previously been undertaken at Gillham, underscoring the significant exploration upside.

Large-Scale Mineralised System Emerging

Geochemical programs have identified two standout antimony anomalies along the Stewart–May trend, each extending approximately 400m to 500m, within a broader mineralised corridor exceeding 2km in strike.

These anomalies are supported by coincident rock chip mineralisation and remain largely untested, presenting compelling drill targets.

In addition, newly identified gold anomalism at the West Gillham area highlights further upside beyond antimony and base metals.

Executive Commentary

Barnaby Egerton-Warburton, Executive Chairman and CEO, commented:

“These initial results provide highly encouraging validation of the Gillham Project, with high-grade antimony in rock chips up to 3.92% Sb directly associated with exceptional soil anomalies, up to 2,660ppm Sb. 

These results define coherent and compelling drill targets with the scale and continuity of the geochemical footprints supporting the presence of a potentially significant underlying mineralised system. 

Importantly, previously unrecognised gold anomalism identified at West Gillham highlights the broader fertility of the system providing additional upside potential. With multiple high-confidence targets now defined across a meaningful strike extent, we are advancing rapidly toward a maiden drilling program, which we expect will be a key value inflection point for the Company.

Advancing Toward Drilling

Pantera is now progressing toward a maiden drilling program, with near-term activities focused on:

  • Infill soil sampling and targeted rock sampling

  • Detailed geological mapping

  • Drill planning and target refinement

The Company is executing a U.S.-focused critical minerals strategy, positioning Gillham as a key asset within a broader portfolio of strategically located projects.


About us:

ABOUT PANTERA MINERALS

Pantera Minerals Limited (ASX:PFE) is a forward-looking critical minerals exploration and
development company focused on advancing projects in critical minerals across the United
States with a particular focus on Arkansas. With newly acquired mineral projects covering
historically productive ground, Pantera is positioned to re-establish exploration in a district that
has seen no systematic modern work for nearly a century.

The Company is committed to leveraging modern exploration methods – including
geochemistry, geophysics, and advanced modelling – to unlock value in regions historically
mined for critical minerals, which are recognised by the U.S. government as essential to supply
chain security.


Contact details:

Jane Morgan
Investor Relations
E: [email protected]
M: +61 (0) 405 555 618

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