Auroch Minerals Limited has recently completed the acquisition of 90% of the tenement known as
Arden Zinc Project (Arden Project) located in the world-class base-metal mining region of South
Australia. The project focus is on the Sedimentary exhalative (Sedex) mineralisation for which the region is renown.
The Arden Project and Bonaventura Project in South Australia comprise a substantial zinc, lead and copper play supported by excellent infrastructure. The projects cover several historical mines and provide multiple drill-ready targets for large scale base-metal mineralisation that will continue to be systematically evaluated in 2018.
The Arden Project is located 35 kilometres to the nor-northeast of Quorn, approximately 3.5 hours’ drive from Adelaide along highways and sealed roads. The project comprises a large exploration licence (EL) of 710km2. The railway passes just to the south of the tenement, and there are several port options relatively close-by, as well as Nyrstar’s large base-metals smelter and refinery in Port Pirie. Grid power is available, and telecommunications are good.
The Arden Project is in the same geological units as Perilya Limited’s Beltana Zinc Mine along strike to the north, which has total Mineral Resources of 972,000 tonnes at 29.8% zinc for almost 300,000 tonnes of contained zinc metal.
Between 1966 and 1972, Kennecott (Rio Tinto Group) identified Sedex-style zinc and copper mineralisation potential over 10km of strike and up to 40m wide. However, since 1980 the Arden Project area has been the focus of diamond exploration, and as such no systematic modern base-metal exploration has ever been undertaken.
During reconnaissance field mapping and sampling at the Arden Project extensive sedex-style base-metal mineralisation was observed at three of the advanced target areas – Ragless Range, Radford Creek and Kanyaka – with high-grade zinc, copper and cobalt mineralisation confirmed by laboratory analyses of rock-chip samples. Spectacular results from reconnaissance rock-chip sampling confirmed SEDEX mineralisation at Arden’s three primary targets:
• Ragless Range –6.97% Zn
• Kanyaka –12.4% Cu, 2.4% Zn and 0.5% Co
• Radford Creek –3.9% Pb and 1.7% Zn
Reinterpretation of the historical geophysical data has confirmed the extensive strike of the horizons of potential SEDEX base-metal mineralisation which we have previously observed in the field at the Arden Project.