Breakthrough Minerals has confirmed high-grade copper-gold mineralisation beyond the current Turpentine resource, validating the exact down-plunge target highlighted by its gravity model.
The first three holes from the latest campaign all hit mineralisation, with the standout results including:
- 16m @ 1.30% CuEq from 180m, including 6m @ 2.18% CuEq
- 19m @ 1.03% CuEq from 216m, including 4m @ 2.83% CuEq
- 31m @ 0.52% CuEq from 210m, including 7m @ 1.02% CuEq
Importantly, two of the reported intervals finished in mineralisation, with further assays still pending.
The model has been validated
Turpentine is already Breakthrough’s largest deposit, hosting 101,000 tonnes of contained CuEq.
The new drilling has extended the system into the interpreted northern plunge and, in places, outperformed the existing block model.
That matters because the latest results do more than just add metres. They strengthen confidence that the resource can continue growing beyond its current limits.
Managing Director Nigel Broomham said the drilling had delivered the exact outcome the company was targeting.
Figure 1: Turpentine long section showing the existing Mineral Resource model and the position of 26TUR001–003 relative to the interpreted down-plunge extension.
Barbara keeps growing too
The latest results also confirmed mineralisation remains open at the Barbara deposit.
Drilling extended the system to at least 575m depth, with results including:
- 73m @ 0.24% CuEq from 503m, including 10m @ 0.56% CuEq
- 39m @ 0.32% CuEq from 339m, including 7m @ 1.08% CuEq
- 45m @ 0.24% CuEq from 440m
The results add further depth and strike potential to a deposit already hosting a 6.5Mt resource.
Figure 2: Barbara long section showing the existing Mineral Resource model and the position of 26BAR004, 26BAR006, 26BAR008 and 26BAR009.
What comes next
Six additional Turpentine holes are awaiting assays, with drilling continuing along the northern extension.
Breakthrough also plans another 2,500m of RC drilling across Hazel Creek, while further work at Barbara will target northern extensions and new conductors.
The company already controls a global resource of 200,000 tonnes of contained CuEq.
The next round of assays will show how much bigger that number could become.
