Thunderbird Resources — Due Diligence at Springfield Flags a Larger Gold System, Soil Program in Mid-November, Drilling to Follow
- Noel Ong
- 29 minutes ago
- 6 min read
Announcement
Thunderbird Resources Limited (ASX: THB) has updated its due diligence on the Springfield Gold Deposit in NSW (Figure 1), and the take-home is simple: very limited historical drilling has already cut thick, shallow gold, and the geology points to a much larger mineralised system along a 7 km structural corridor. Systematic geochem in mid-November will set up a maiden drill program immediately after assays are received.
Figure 1: The Location of Springfield Gold Deposit in NSW and LM2’s other projects in relation to Thunderbird’s existing Rockvale and Kookabookra Gold-Antimony Projects. (source: THB)
Highlights - A New Gold System
Exploration potential upgraded: Multiple geological indicators suggest the known Springfield mineralisation forms part of a significantly larger system with outstanding upside.
Compelling historical intercepts from minimal drilling (~6,568 m total):
27.0 m @ 3.65 g/t Au from surface (incl. 6.0 m @ 8.29 g/t from 1.0 m; 3.0 m @ 9.23 g/t from 11.0 m)
86.0 m @ 1.04 g/t Au from 104.0 m (incl. 12.0 m @ 2.90 g/t from 160.0 m; 26.0 m @ 1.83 g/t from 146.0 m)
65.0 m @ 1.16 g/t Au from 2.0 m (incl. 13.0 m @ 2.92 g/t from 12.0 m)
41.0 m @ 1.47 g/t Au from 22.0 m (incl. 8.0 m @ 3.87 g/t from 32.0 m)
43.0 m @ 0.96 g/t Au from surface (incl. 15.0 m @ 1.81 g/t from 26.0 m)
29.0 m @ 1.32 g/t Au from 4.0 m (incl. 2.0 m @ 4.61 g/t from 4.0 m; 7.0 m @ 2.51 g/t from 14.0 m)
12.0 m @ 2.78 g/t Au from 25.0 m (incl. 4.0 m @ 6.63 g/t from 31.0 m).
System-scale targeting: Deposit sits inside a north-south corridor >7 km bounded by the Mt Galambine and Magpie Hill faults; mineralisation/alteration in core is pervasive (Figure 2).
Figure 2: The Location of Springfield Gold Deposit in NSW and LM2’s other projects in relation to Thunderbird’s existing Rockvale and Kookabookra Gold-Antimony Projects. (source: THB)
Pathfinders matter: Arsenic–gold association is strong; shallow air-core shows broad arsenic anomalism over ~1.7 km of mapped monzodiorite, strongest and open to the south, pointing to high-priority drill targets.
Imminent work: Project-wide soil sampling scheduled to start mid-November 2025 (contractor engaged), with maiden drilling to commence immediately after assays (Company anticipates January 2026).
Process items: Due diligence targeted for completion before the AGM on 19 November 2025; new land access agreement expected early-November.
The Story
Asset & setting. Thunderbird has signed a binding share sale agreement to acquire 100% of the Springfield Gold Deposit in central NSW (Figure 2). Historical mapping and shallow drilling outline a well-mineralised intrusion over >1,700 m strike, with mineralisation open along strike and at depth; no drilling since 1999.
Figure 3: Readily accessible, open grazing land at the Springfield Gold Deposit and Springfield North Prospect. (source: THB)
What the site work shows (Figure 4). Executive Chairman and Senior Geologist reviewed 1999 diamond core: thick intervals of visual sulphides/alteration consistent with a large hydrothermal system. Structurally, Springfield sits inside a 7 km corridor bracketed by two north-south faults—prime architecture for fluid focusing and scale.
Figure 4: Geologists assessing historical diamond drill core from the Springfield Gold Deposit, NSW. (source: THB)
Geochem vectoring. A close Au–As association is evident. Shallow AC coverage shows continuous arsenic anomalism across the corridor, with the southern end both strongest and open, underscoring immediate step-out potential. Modern, systematic soils have never been run here—low-cost, high-impact work that can rapidly rank targets (Figure 5).
Figure 5: Readily accessible, open grazing land at the Springfield Gold Deposit and Springfield North Prospect. (source: THB)
Near-Term Program & Milestones
Soil geochemistry (project-wide): Starts mid-November 2025; modern multi-element methods to delineate extensions and rank drill targets.
Targeting & prioritisation: Drill collaring to follow receipt of soil assays, with the highest-priority targets first. Drilling anticipated January 2026 (subject to assays/logistics).
Corporate/process: Due diligence to complete pre-AGM (19 Nov 2025); new access agreement expected early-November.
What Does Samso Like?
Scale indicators line up: Wide, shallow gold from sparse drilling + corridor-scale structure + pervasive alteration = system capacity. The southern open anomaly is a natural first test.
Efficient de-risking: Modern soils on a farm-access project is an efficient vectoring tool ahead of drilling—time and dollars spent where it counts.
Clear cadence: Soils → assays → maiden drilling gives a clean news pathway into early 2026.
Samso Concluding Comments
This update does the important work of reframing Springfield from a set of good historical hits into a corridor-scale opportunity with modern vectoring. The Au–As relationship and continuous arsenic anomalism make the geochem program particularly meaningful in ranking drill-ready domains.
For investors, the context is limited historical metres delivering thickness and grade—that typically argues for system strength rather than isolated luck. The structural picture—two bounding faults over ~7 km—supports this thesis.
The path forward is now about drilling the southern open anomaly alongside near-deposit extensions. Access to the land is important, and this could be what will delay the story (Figure 6).
Figure 6: THB share price chart as of 14th November 2025. (source: CommSec)
For readers, the DYOR process is highly recommended, as this is still an early-stage story. As we write this Samso News on the 14th November, the general ASX market sentiment is lower, and there is no rush to get in at this stage. This is a CPS Capital-sponsored stock, so if there was urgency, it would be to get into position before the "pump" happens.
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