Osmond Resources Advances Orión Project Maiden Resource Estimate in Spain

BY WILLIAM HADRIAN ON AUGUST 14, 2026

Osmond Resources Ltd

  • ASX Code: OSM
  • Market Cap: $91,320,045
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Osmond Resources Confirms Seam Continuity and Advances Toward Maiden Resource Estimate at Spain's Orión Critical Minerals Project

Osmond Resources (ASX: OSM) has reported a package of technical results from its Orión EU Critical Minerals Project in Andalucía, southern Spain. The announcement combines new drilling confirmation, completed processing flowsheet work, and mineralogical studies that together point toward an Osmond Resources Orión Project maiden resource estimate and scoping study targeted within the current quarter.

According to the announcement, the project is progressing from exploration toward a more defined development pathway, with multiple technical workstreams now complete or well advanced.

New Drill Hole Confirms East-West Continuity of the High-Grade Seam

Drill hole SOR-07A has intersected the primary heavy mineral-rich quartzite seam in the Southern Block of the Orión Project, with assay results reported to confirm the seam extends continuously across a wide east-west corridor.

The hole is located 1.63 kilometres west of SOR-02 and 1.34 kilometres east of SOR-08A, providing important spatial context for the upcoming Mineral Resource Estimate.

Assay highlights from SOR-07A are summarised below:

Interval From (m) TiO₂ ZrO₂ HfO₂ TREO MREO
1.2m 312.7m 5.38% 1.62% 342ppm 0.369% 0.098%
0.6m (within) 313.3m 6.43% 2.23% 461ppm 0.512% 0.137%

Indicative heavy mineral grades derived from mass balance calculations further illustrate the mineralisation:

Interval Monazite Zircon Rutile Ilmenite
1.2m at 312.7m 0.55% 2.4% 4.5% 1.7%
0.6m at 313.3m 0.77% 3.3% 5.4% 2.0%

According to the company, the confirmed continuity of the seam in an east-west direction within the Southern Block represents a meaningful development for resource definition. The apparent thinning of the seam moving west is understood to be related to the original basin architecture and increasing distance from the heavy mineral source area, consistent with the geological model for this style of lithified tidal sand bed deposit.

Mine planning is expected to initially focus on the thicker 2.7 to 3.0 metre main seam areas adjacent to SOR-08A and the Avellanar Block, where grades and widths have been reported as most compelling.

What Is a Heavy Mineral Placer Deposit, and Why Does It Matter?

The Orión Project is classified as a lithified tidal sand bed-type deposit, commonly described in the industry as a placer deposit.

A placer deposit forms when heavy minerals — meaning minerals with a higher density than surrounding rock — are separated from their original granite-type source material through erosion and transport by water, then naturally concentrated in sedimentary settings such as tidal flats or river systems. Dense minerals including zircon, rutile, ilmenite and monazite tend to settle in specific sedimentary layers, meaning they can become concentrated in continuous bands.

Why this matters for investors:

  • Placer-style deposits tend to show laterally continuous mineralisation, which can support resource estimation with fewer drill holes than more structurally complex deposit types
  • The minerals are typically already partially separated from the host rock, which may simplify processing requirements
  • The commodities involved — being zircon, rutile, ilmenite and monazite — are established industrial minerals with active global markets

Glossary of key terms used in this announcement:

Term Definition
TREO Total Rare Earth Oxides, the sum of all rare earth element oxides present
MREO Magnetic Rare Earth Oxides, a subset of rare earth elements including neodymium, praseodymium, samarium, terbium and dysprosium used in permanent magnets for electric vehicles and wind turbines
Monazite A phosphate mineral that carries rare earth elements including the magnetic rare earths
Zircon A mineral containing zirconium and hafnium, used in ceramics, nuclear applications and advanced materials
Rutile A titanium mineral used in pigments and titanium metal production
WHIMS Wet High Intensity Magnetic Separation, a processing technique used to separate magnetic minerals
Scoping Study An early-stage economic assessment of a mining project's viability
Mineral Resource Estimate (MRE) A JORC-compliant estimate of the quantity and grade of mineralisation within a defined deposit

Outcrop and Drill Core Confirmed as Essentially Equivalent

A petrographic study completed by the University of Oviedo compared four outcrop samples and two drill core samples from the main seam in Zone 1, spanning a range of grades from low to high.

The study concluded that outcrop and drill core samples are essentially equivalent in terms of mineral assemblage, textures, grade distribution and grain-to-grain mineral relationships. The only observed distinction was the absence of sparse sulphides in outcrop material, which is not considered a significant modification.

According to the company, this finding represents a de-risking milestone, confirming that the extensive outcrop sampling conducted across the Orión Project area — which has underpinned much of the geological understanding and flowsheet development to date — is representative of the broader subsurface mineralisation.

Complementing this finding, mineral processing testwork by Nagrom using Holman table gravity separation showed no significant difference in the collective zircon and titanium mineral processing response between outcrop and drill core across rougher and middlings cleaner stages. The company stated this supports the use of surface samples in current flowsheet development, while planned drill core variability testing is intended to further define the operating envelope during pre-feasibility study (PFS) level work.

Processing Flowsheet Completed for 2 Million Tonne Per Annum Operation

Wood Australia Pty Ltd has completed a nominal 2.0 million tonne per annum (Mtpa) processing design based on SysCAD modelling and testwork results. Furthermore, the flowsheet is designed to produce three separate saleable product streams:

Product Stream Grade Net Recovery
Dried zircon concentrate 64.1% ZrO₂ 63.6%
Mixed titanium-mineral flotation concentrate (principally rutile) 71.3% TiO₂ 36.1%
Filtered monazite-rich rare earth concentrate 22.6% TREO + Y₂O₃ 60.4%

These product grades are extrapolated from testwork results and reflect expected additional cleaning stages. The company has stated they will be confirmed across all product streams during PFS-level testwork, which has recently commenced.

How Does the Processing Circuit Work?

The processing circuit integrates several standard mineral processing stages, including:

  • Run-of-mine crushing, primary grinding and dry ore storage
  • Desliming and gravity concentration followed by zircon beneficiation using WHIMS, drying, high-tension roll separation and dry magnetic separation
  • Titanium-mineral WHIMS, magnetics regrind, gravity-tail regrind, monazite WHIMS and monazite flotation
  • Mixed titanium-mineral flotation with product dewatering and drying, and tailings dewatering for filter-cake backfill

The Rare Earth Concentrate Is Enriched in the Most Valuable Elements

A notable feature of the Orión Project's mineralogy, according to the announcement, is the enrichment of the rare earth concentrate in magnetic rare earth oxides — specifically neodymium, praseodymium, terbium, dysprosium and samarium — alongside yttrium oxide. These elements are among the more commercially valuable rare earths, used principally in the permanent magnets that power electric vehicle motors and wind turbines.

The composition of the rare earth concentrate produced during testwork is shown below:

Oxide Concentration (%) Share of REO Basket
CeO₂ 10.17% 45.0%
Nd₂O₃ 3.97% 17.6%
La₂O₃ 4.73% 20.9%
Pr₆O₁₁ 1.15% 5.1%
Y₂O₃ 0.95% 4.2%
Dy₂O₃ 0.222% 1.0%
Sm₂O₃ 0.66% 2.9%
Gd₂O₃ 0.47% 2.1%
TREO Total 22.6% 100%

Electron microprobe analysis of the monazite mineral itself, based on an average of 34 analyses, returned a TREO grade of 63.31%, indicating the intrinsic quality of the monazite present in the system. Consequently, the company has stated that the elevated levels of magnetic rare earth elements are anticipated to have a positive impact on the estimated basket price and payabilities used in the forthcoming Scoping Study.

Osmond Resources has stated that it remains on track to become the EU's first producer of rare earth-bearing monazite, zirconium/hafnium and titanium minerals, with the maiden Mineral Resource Estimate and Scoping Study representing near-term milestones in that pathway.

What Comes Next: Milestones and Timeline

According to the announcement, all key workstreams supporting the Osmond Resources Orión Project maiden resource estimate and scoping study are either complete or actively underway.

Milestone Status / Expected Timing
Maiden Mineral Resource Estimate Expected within approximately four weeks of the announcement date
Scoping Study completion Targeted for Q3 CY2026
Flowsheet and recovery assumptions Reported as complete
PFS-level mineral processing testwork Commenced
Bulk sample testing at Nagrom, Perth Underway
Separation of premium-grade zircon (approximately 66% ZrO₂) Planned, targeting higher payabilities
Upgrading TREO content of rare earth concentrate Planned
Near-pure rutile (approximately 95-98% TiO₂) separation study Planned
Variability testing (10 to 12 samples across the deposit) Planned to support PFS design

The Scoping Study is expected to incorporate mine planning focused on the thicker 2.7 to 3.0 metre seam areas adjacent to SOR-08A and the Avellanar Block, where the company reports its highest confidence grades and widths have been established.

Osmond Begins Trading on the Frankfurt Stock Exchange

Osmond Resources has commenced trading on the Frankfurt Stock Exchange under the ticker symbol 4OG (ISIN: AU0000210734; WKN: A3DT90). The company retains its primary ASX listing under the symbol OSM.

The Frankfurt Stock Exchange is one of the world's larger securities trading centres and is operated by Deutsche Börse Group. In addition, the listing provides Osmond with an additional European trading venue while the company maintains its primary listing and continuous disclosure framework in Australia.

Why Investors Should Watch Osmond Resources

The Orión Project occupies a position that, according to the company, could see Osmond become the EU's first producer of rare earth-bearing monazite, zirconium/hafnium and titanium minerals, should development proceed. The project sits within Spain, an EU member state, and targets minerals classified by the EU as critical to industrial and clean energy supply chains.

The investment case, as outlined in the announcement, rests on several factors:

  • Multi-commodity exposure: The project is designed to deliver three separate saleable product streams — being zircon, titanium minerals and a monazite-rich rare earth concentrate — from a single operation
  • Rare earth profile: The enrichment of the monazite concentrate in magnetic rare earth elements positions the project within the permanent magnet supply chain
  • Accumulating technical validation: Petrographic equivalence between outcrop and drill core, processing testwork confirming recoveries, and confirmed east-west seam continuity are cited by the company as reducing geological and metallurgical uncertainty ahead of the Scoping Study
  • Near-term catalysts: A maiden MRE expected within approximately four weeks and the Osmond Resources Orión Project maiden resource estimate and scoping study targeted for the current quarter represent concrete milestones that will add to the information available to investors
  • European listing: The Frankfurt Stock Exchange listing is intended to broaden the potential investor audience to include European institutions and retail investors with an interest in the EU critical minerals sector

Key Takeaway: Osmond Resources (ASX: OSM) is advancing multiple technical workstreams in parallel, including confirmation of deposit continuity through drilling, validation of its geological model through independent petrographic studies, and completion of the processing flowsheet for a 2 Mtpa operation. With a maiden Mineral Resource Estimate expected within weeks and a Scoping Study targeted for Q3 CY2026, the company is approaching a series of milestones that investors will be monitoring closely.

Ready to Explore What Osmond Resources Is Building in Spain?

With a maiden Mineral Resource Estimate expected within weeks and a Scoping Study targeted for Q3 CY2026, Osmond Resources (ASX: OSM) is approaching a pivotal period in the development of its Orión EU Critical Minerals Project. From confirmed seam continuity to a completed processing flowsheet targeting three separate saleable product streams, the technical groundwork is rapidly taking shape. Investors seeking to understand the full scope of the opportunity — including the project's multi-commodity profile, European positioning, and near-term milestones — can find further information directly at osmondresources.com.au.

Stock Codes: ASX: OSM

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