Olympio Metals extends gold trend on Quebec’s renowned Cadillac Break
- Doug Bright
- Aug 26, 2025
- 3 min read
Olympio Metals (ASX: OLY) has reported significant assay results from the first two diamond core holes at its underexplored Decoeur prospect in the company’s Bousquet project. The project straddles part of Quebec’s renowned Cadillac Break, a regional-scale structure historically linked to more than 110 million ounces of gold production.
The company’s first hole drilled into the North Bousquet Fault, east of the historically defined Decoeur prospect, intersected 3.75 metres at 2.24 grams per tonne (g/t) gold from 13.25m downhole in talc-schist within the Piché Group.
The Piché Group is a volcano-sedimentary suite of rocks closely associated with gold mineralisation at numerous resources along the Cadillac Break.
The intercept confirms shallow mineralisation in the fault’s hanging wall. Further untested potential exists eastwards, where mapped talc-chlorite schists align with extensive 650m-long coincident geophysical anomalies paralleling the North Bousquet Fault, making it a standout priority target.
A second hole, put into the Decoeur prospect at a 220-degree azimuth to test north-trending structures, delivered Decoeur’s best intercept to date with 14.5m at 1.96g/t gold from 355.5m, alongside 2.15m at 0.84g/t from 338m and 2m at 1.39 g/t from 373.8m.
The mineralisation, hosted in chlorite-carbonate altered talc-schist, also mirrors the gold-bearing Piché Group lithologies found 1.4 kilometres to the north along the Cadillac Break.
These north-trending structures were sparsely tested by historical north-south-oriented drilling and are now becoming a key focus for future exploration.
The results extend gold mineralisation at depth and along strike, reinforcing the prospect’s potential. Olympio holds an option to earn an 80 per cent interest in the project from Bullion Gold Resources.
All 12 holes drilled and assayed to date across Bousquet’s three prospects - Paquin, Amedee and Decoeur – have intersected high-grade gold, underscoring the project’s consistency.
Earlier this month, Olympio reported 1.5m at 54.2g/t gold from 235.5m at Paquin, 1.2km east-northeast of Decoeur, complementing previous assay returns from the same hole of 7.9m at 6.2g/t, including 1.3m at 17g/t gold.
We are delighted to have returned the best intercept at Decoeur with a single targeted drill hole. Hole BO-25-40 has confirmed a previously unrecognised geological interpretation at Decoeur and we are confident that further drilling with this strategy will provide an opportunity to upgrade the scale of the Decoeur prospect.
Olympio Metals Managing Director Sean Delaney
Delaney said a previous hole at Decoeur significantly extended the prospect’s gold mineralisation to the east near-surface, supporting the company’s interpretation that the North Bousquet Fault is a fundamental regional structure with previously unrecognised prospectivity for gold mineralisation.
The Paquin-Amedee trend, 550m north of the North Bousquet Fault, suggests a potentially continuous mineralised strike along more than 1km, while Decoeur’s results point to potential extensions toward the Joannes prospect, 800m west of Decoeur.
Olympio has drilled two further holes about 250m and 450m east of the first hole at Decoeur, which also intersected sulphide-bearing talc-schists, pointing to possible eastward continuity of Decoeur’s mineralisation.
The company awaits assay results from these two holes which targeted the same fault-hosted talc-schists highlighted by historic very low frequency (VLF) electromagnetic data which combined, demonstrate the strike continuity of the North Bousquet Fault.
The 1986 VLF survey detected several linear conductors in the Bousquet ground, such as sulphides or graphitic schists, associated with an induced polarisation (IP) geophysical response, providing a further drilling guide.
Olympio expects to receive more results from its current drilling program over the next two months, which will help it prioritise shallow mineralisation and north-trending structures, particularly along the North Bousquet Fault trend east of Decoeur.
The combination of geophysical data, historical drilling gaps and recent intercepts from the company’s ongoing drilling campaign positions the Bousquet project as a compelling exploration opportunity along the prospective Cadillac Break.
With ongoing drilling, more assays in the pipeline, three massive third-party gold projects on strike that contain more than 1 million ounces gold within 10km and multiple expanding targets on the same trend, Olympio is looking well-situated to identify significant further value from this world-class gold region.
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