Evion Group confirms high-grade fluorspar assays up to 88.15% CaF2 at its Carp Project in Nevada, validating a large, near-surface mineralised system. The company plans an extensive exploration program to capitalise on the US critical minerals demand.
- Independent verification confirms assays up to 88.15% CaF2
- High-grade mineralisation across multiple historic pit zones
- Consolidated 493-hectare land position with 59 claims
- Upcoming exploration program includes drilling and mapping
- Fluorspar critical to US supply chains, currently 100% imported
Independent Verification Validates High-Grade Fluorspar Assays
Evion Group NL (ASX:EVG) has independently confirmed impressive fluorspar grades from 2024 surface sampling at its Carp Fluorspar Project in Nevada, with assays reaching a peak of 88.15% calcium fluoride (CaF2). This level not only surpasses the typical metallurgical-grade threshold of around 60% but also approaches acidspar quality, a premium feedstock for various industrial applications.
The verification, conducted by Evion’s Competent Person, reviewed the original sampling methodology, chain of custody, and laboratory procedures, concluding the results are robust and compliant with the JORC Code (2012). This confirmation strengthens geological confidence in the project’s scale and quality, laying a solid foundation for further exploration.
District-Scale Mineralisation Across Multiple Historic Pits
The high-grade mineralisation is not confined to a single zone but extends across multiple historically mined pits – South, West, North, and Central – as well as bulldozer cuts between these areas. Samples revealed diverse mineralisation styles, including manto-style replacement bodies, veins, and fault-hosted zones, suggesting a geologically complex and extensive system.
Notably, samples from the West Pit (up to 88.15% CaF2), North Pit 1 (83.83%), North Pit 2 (86.92%), and Central Pit (86.51%) underscore the widespread nature of premium-grade fluorspar. This district-scale continuity adds weight to the project’s potential as a significant domestic fluorspar source for the US.
Strategic Land Consolidation Spurs Exploration Ambitions
Evion now controls a consolidated land package of 59 unpatented lode claims covering approximately 493 hectares, combining 14 original claims with 45 recently staked adjoining claims. This expanded footprint secures both the known mineralised system and prospective ground for new discoveries.
The company is actively preparing a comprehensive field program that will include systematic surface sampling, detailed geological mapping, and drill targeting. Planned drilling will focus on untested depth extensions of vein systems and new manto-style targets within the expanded claim area, with permitting processes underway to facilitate operations on Bureau of Land Management (BLM) land.
Fluorspar’s Critical Role Amid US Supply Vulnerabilities
Fluorspar is classified as a critical mineral by the US and other major economies, underpinning essential industries such as steelmaking, uranium conversion, semiconductors, lithium-ion batteries, refrigerants, and advanced manufacturing. The US currently imports 100% of its fluorspar needs, predominantly from China and Mexico, exposing supply chain vulnerabilities.
Recent US government contracts, including a US$168.9 million fluorspar supply deal via the Defense Logistics Agency, highlight the strategic urgency of securing domestic sources. Evion’s Carp Project emerges as a timely opportunity to contribute to this supply security imperative.
This development builds on Evion’s recent exclusive option over historic Carp Fluorspar, which was supported by a $6.5 million capital raise to fund US expansion and exploration. The company’s dual exposure to graphite and fluorspar positions it uniquely within critical minerals markets.
Technical Foundation and Next Steps
The sampling program involved 25 surface rock chip samples analysed via wavelength dispersive X-ray fluorescence at an ISO-certified laboratory. Fourteen samples returned grades above 49.83% CaF2, with three additional samples between 22.81% and 32.67% CaF2. The sampling covered multiple mineralisation styles and locations, validated by field checks and handheld XRF analysis.
Evion plans to extend geochemical coverage across the expanded claim area and refine structural interpretations to better understand mineralisation controls. This will directly inform drill targeting, particularly for depth extensions and new targets on adjoining claims. The company anticipates providing a detailed update on the scope, timing, and budget of this field program soon.
Meanwhile, Evion’s progress at its Maniry Graphite Project in Madagascar, including recent permit approvals and EU funding support, complements its critical minerals portfolio and reflects growing global demand for strategic materials. This broader momentum underscores the significance of Evion’s US exploration initiatives within a competitive and geopolitically sensitive sector.
As Evion advances, the challenge will be translating surface sampling success into meaningful resource delineation and navigating regulatory hurdles on federal land, all while fluorspar market dynamics evolve amid intensifying supply chain security efforts.
Bottom Line?
Evion’s independent assay confirmation bolsters the Carp Project’s promise, but the leap from surface samples to a viable resource will be the next critical test amid a tightening US fluorspar market.
Questions in the middle?
- How will Evion prioritise drill targets across the expanded Carp claim area?
- What timelines and hurdles lie ahead for permitting drilling on BLM-managed land?
- Could polymetallic anomalies at Carp open avenues beyond fluorspar in the district?