OD6 Metals – Developing The Quinns Fluorspar Begins in Earnest.
- Noel Ong
- 3 minutes ago
- 10 min read
It does look like OD6 Metals Limited (ASX: OD6) is starting work on the Quinn Fluorspar Project in Nevada with a flurry, which is a good sign for shareholders.
The fact that fluorspar is classified as a critical mineral and that the United States remains fully import-dependent will be the main narrative, and I think, in the current geopolitical rollercoaster ride, this is a good thing for OD6 Metals.
In this Samso News, I am trying to bundle the last four recent ASX announcements to highlight and make some sense of the exploration activities as OD6 Metals Limited look to validate grade, mineralisation continuity, and scale potential for the Quin project.
The status is all about historical results at the moment, so the next steps will be interesting as they establish some form of reality on the factual prospectivity of the project.
The Progress - OD6 Metals Limited Fluorspar Story
The four ASX announcements from OD6 Metals Limited outline the context of early-stage development of the Quinn Fluorspar Project in Nevada, moving from history to Present day.
The first announcement establishes the commencement of intentional exploration, marking the first modern program on the project in approximately 60 years. The activities will be about soil sampling, stream sediment work, and mapping across multiple large-scale targets, providing the framework for understanding the broader geological system.
Subsequent releases are setting the scene for mineralisation at the Mammoth Prospect. Initial rock chip assays confirming high-grade fluorspar within a defined breccia-hosted system, with mineralisation extending into surrounding limestone. This is followed by channel sampling results, which demonstrate consistent grades across continuous exposures, providing a more representative view of the mineralised zone and supporting geological continuity.
The most recent release shifts attention to the Horseshoe Prospect, where channel sampling returns higher grades over multiple intervals. These results confirm that high-grade mineralisation is not isolated to Mammoth but occurs across multiple deposits within the project area. Sampling also indicates that mineralisation remains open along strike and at depth, with only a portion of the mapped system tested.
Across the four announcements, the key outcome for shareholders and potential investors is the establishment of a district-scale fluorspar system defined by high-grade breccia-style mineralisation, supported by both historical data and modern sampling. The work completed to date sets the foundation for detailed mapping, drill targeting, and the next phase of exploration.
ASX Release 1: Systematic Exploration Commences (1 April 2026)
This announcement marks the operational starting point, with OD6 initiating the first modern exploration program at Quinn in approximately 60 years.
This program is all about building a geological and geochemical framework which will include a program of soil sampling (~320 samples), stream sediment sampling (~40 sites), and mapping across multiple target areas including Mammoth, Horseshoe, and the broader alteration corridors (Figure 1).
Figure 1: Regional initial sampling programs over the target corridors (refer release dated 25 March 2026 for description of geology, mineralization and alteration - ADVANCED SATELLITE ANALYSIS REVEALS 8KM TARGET CORRIDOR) (source: OD6 Metals Limited)
According to OD6 Metals, there will be a focus around areas such as the 70,000m² Lithocap and 700,000m² Dress Circle zones being tested for the first time. Historical deposits like Mammoth and Horseshoe are also being revisited to define extensions and continuity (Figure 2).
Figure 2: The Horseshoe-Jumbo alteration corridor programs (refer release dated 25 March 2026 for description of geology, mineralization and alteration - ADVANCED SATELLITE ANALYSIS REVEALS 8KM TARGET CORRIDOR) (source: OD6 Metals Limited)
The key takeaway from this release, I assume is about establishing the potential scale and methodology in the exploration phase that will establish upcoming exploration activities. This will bring the reliance of using historical data into how modern exploration will establish the prospectivity of the project.
ASX Release 2: Rock Chip Assays Confirm High-Grade System (7 April 2026)
This release provides the first modern assay validation at Mammoth, confirming high-grade fluorspar mineralisation within a mapped 9,000m² zone.
Rock chip (Figure 3) results returned grades up to 53.2% CaF₂, with multiple samples above 30% CaF₂. Importantly, mineralisation is not confined to the breccia core but extends into surrounding limestone, indicating a broader system footprint.
Figure 3: Sample QC260251 with purple and white fluorspar from the contact zone on west side of Mammoth
The release highlights that mineralisation extends west, north, and potentially under cover to the east, indicating that the mapped footprint is not the full extent of the system (Figure 4).
What this clearly show is that the rock chips are extensive and show the presence of surficial presence of high-grade mineralisation which will lead to the next question, does it extend with depth. Figure 4 below is a great depiction of the potential of strike and future exploration activities should clarify doubts.
Figure 4: New sample results from Mammoth Fluorspar Project. Background map and historic results based on Evans 1975 (refer press release dated 4 March 2026 for further information - OD6 TO ACQUIRE ULTRA HIGH GRADE USA FLUORSPAR PROJECTS). Samples >15% CaF2 labelled. (source: OD6 Metals Limited)
ASX Release 3: Channel Sampling Confirms Continuity at Mammoth (9 April 2026)
The channel sampling (Figure 5) results does show a different dimension of what is happening at the Mammoth Prospect. The concept of the channel sampling does give a better form of representing continuity and the scale. For me, I think that the extent of mineralisation (Figure 6) does speak for the potential of scale but I am awaiting drilling to see how these results will bind the project together.
Figure 5: View west of the outcrop of the channel sampling at Mammoth. Orange paint marks indicate 1m samples. The full extent of the outcrop was sampled. (source: OD6 Metals Limited)
A 12m channel returning an average grade of 40.8% CaF₂, with grades ranging from 26.4% to 54% is a good result, without doubt. I am imagining all the questions and the easiest response is, yes, drilling will be the final test.
The key point here is continuity. Sampling was conducted at 1m intervals across the outcrop, demonstrating consistent mineralisation across the exposed zone.
Figure 6: Mammoth Project channel sampling. Includes rock chip results released 7 April 2026; background geology and historic results refer to release dated 4 March 2026 - OD6 TO ACQUIRE ULTRA HIGH GRADE USA FLUORSPAR PROJECTS). Samples >15% CaF2 labelled. (source: OD6 Metals Limited)
This announcement does consolidate the sets of historical data that is adding some facts to the narrative. From the Coffee with Samso that OD6 Metals just released, (see below), the conversations were exciting and shareholders are keenly awaiting upcoming exploration.
The schematic cross section in Figure 7 adds potential excitement and one could be forgiven to "see" the 50 to 60m width of the Fluorspar Breccia. If this were to be true and the mineralisation would to extend "uniformly" over that width, then shareholders should be rightly excited.
Figure 7: Schematic cross-section across Mammoth Fluorspar Zone with recent and historic assay results (based on Evans 1975 as referenced in release 4 March 2026 - OD6 TO ACQUIRE ULTRA HIGH GRADE USA FLUORSPAR PROJECTS). Samples >15% CaF2 labelled.) (source: OD6 Metals Limited)
Time will tell if that "thinking" is on the right path. As they say, bring on the truth machine :-).
ASX Release 4: Ultra-High Grades at Horseshoe (15 April 2026)
This ASX release is all about the Horseshoe Prospect and as expected OD6 is laying out the obvious as a baseline for investors. The results that has been released are obviously spectacular now I kind of know what we as investors should be looking from ASx releases (Click here to hear Darren Holden sharing with us how to look at projects like Quinn Fluorspar in the recent Coffee with Samso - 04:34 What do we look for with a Fluorspar project?)
Channel sampling returned:
12m @ 68.9% CaF₂
7m @ 73.1% CaF₂
2m @ 75% CaF₂
Figure 8: View northeast of the main face (channel QCCH2602_3) sampling at Horseshoe. Orange marks indicate 1m samples. The mineralization continues either end of the sampled section. (source OD6 Metals Limited)
These results confirm strong grade continuity across multiple exposures and validate historical mining grades from the area. Check out Figure 1 and Figure 2 to see the sampling medium.
Figure 9: View northwest of in-pit (channel QCCH2602_2) sampling at Horseshoe. Orange marks indicate 1m samples. The full extent of this outcrop was sampled. (source OD6 Metals Limited)
What is interesting to see is the consistent potential seen here in Horseshoe and what we saw from the Mammoth project. I am not surprised to see the high CaF₂ numbers from the rock chips being collected as these epithermal systems are typically known for having a bold expression of mineralisation. The geology we see here at Horseshoe, Figure 10 and Figure 11 appear to have the juice for further mineralisation in the "Fluorspar Zone".
Figure 10: Horseshoe Prospect channel sampling. background geology results refer to release dated 4 March 2026 -OD6 TO ACQUIRE ULTRA HIGH GRADE USA FLUORSPAR PROJECTS). Samples >15% CaF2 labelled.) (source: OD6 Metals Limited)
The schematic cross section in Figure 11 is encouraging and I am assuming that the estimated with is a conservative estimate and if that is the case, this will make things interesting. If the way the deal has been structured is a guide to the vendor's optimism, then I think the story for OD6 could end well.
Figure 11: Schematic cross-section of Horseshoe Pit with recent sample results. Background geology modified from interpretation by Evans 1975 (refer release dated 4 March 2026) - OD6 TO ACQUIRE ULTRA HIGH GRADE USA FLUORSPAR PROJECTS). Samples >15% CaF2 labelled.) (source: OD6 Metals Limited)
I think it is still very early to make a call but the historical results are too good to ignore. The potential scale and high-grade nature could make the Quinn project a deal of a lifetime for OD6 Metals.
Figure 12: View SE of in-pit (channel QCCH2602_1) sampling at Horseshoe. Orange marks indicate 1m samples. Only the reachable extent of the outcrop was sampled. This outcrop displayed “Racoon Tail” textures of banded fluorspar – a classic epithermal replacement style in high-grade fluorspar deposits. (source: OD6 Metals Limited)
The mineralisation remains open along strike and at depth, with only part of the 3,000m² system tested.
This release reinforces the district-scale potential by showing that multiple prospects host high-grade mineralisation.
Management Commentary
Across the announcements, management commentary is consistent in highlighting three themes: validation of historical results, confirmation of grade continuity, and expansion potential across a broader system.
The transition from rock chips to channel sampling and then to systematic exploration reflects a staged approach to building confidence in the project.
Samso Concluding Comments
The recent flow of ASX releases clearly show that OD6 feels that they have come across something that is easily narrated and the potential of a pay off is good. This is a business and I am liking what I am seeing. As I say that, I am aware that there is going to be a bit time required to consolidated the historical data and supplement that with upcoming exploration work.
Another capital raise will be on the cards as they spend their recent raise which is part of the business of mineral exploration. One would think that the Quin Fluorspar project may be more about resource development soon rather than exploration.
The wording to describe the stage OD6 Metals in at currently may be just words but for someone who has been in the shoes of Brett Hazelden, I would rather have that discussion of whether I am a potential resource developer than being a mineral explorer.
Market Implication
The market is obviously liking the story so there is not much to say :-). I like the story and catching something that appear to have the market on your side is a good start. While having the market sentiment is good, I think that having a project that can currently demonstrate some resemblance of size, grade and continuity of mienralisation is a bonus.
Figure 13: Share price chart for OD6 Metals Limited as of 16th April 2026 (source: commsec)
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