Silver City Minerals Limited (ASX: SCI) has identified a significant 1.2km copper anomaly from historic works at the Wilunga Copper Prospect in New South Wales, Australia.
The discovery was made Silver City is progressing its due diligence on the Wellington Project which is located circa 15kms to the south of Boda discovery in the prospective Lachlan Fold Belt in NSW.
In early March 2020, Silver City entered into a binding option agreement with Syndicate Minerals Pty Ltd to acquire the Wellington Project.
The company has now reviewed the historical exploration of the Wellington Project and exploration licene ELA8525 and has concluded that contact zone of the Carboniferous Wuuluman Granite represents an hydrothermal mineralisation target related to porphyry dykes.
Silver City Minerals has collated and reviewed all historical exploration from the New South Wales DIGS online database.
The Project has been explored by Placer Prospecting Australia (1967-1968), AMAX Exploration (1972- 1974), Banlona Pty Ltd (Paradigm Gold) in 2014. The majority of the project area has been covered with regional scale stream sediment sampling. Assaying has primarily been for base metals (copper, lead and zinc) with limited precious metals (gold, silver) and very limited trace element geochemistry.
Two exploration diamond core holes wete drilled on the property in 1967, and a limited series of RAB and mud rotary holes drilled to assess gold mineralisation within the Macquarie River alluvial system.
Placer Prospecting (Australia) Pty Ltd (Placer) pegged EL74 in 1967 covering the Willunga Copper Prospect, in the south-western margin of the Carboniferous Wuuluman Granite. Placer undertook stream sediment sampling for Cu, Pb, Zn and Mo, soil sampling, gridding and mapping.
Placer’s geological map, dating from 1967 showed a series of workings over a strike length of approximately 600m. No production is recorded from the Willunga prospect.
Placer defined a coherent copper anomaly in soils of +100ppm Cu with a peak 2,000ppm Cu, and patchy molybdenum to 80ppm over 1200m long, within altered and hornfelsed Devonian Andesites of the Cuga Burga Volcanics within the contact zone of the Wuuluman Granite. Mineralisation was reported as quartz- sulphide veins containing pyrite, chalcopyrite, molybdenite and weathered products (azurite, malachite), associated with aplite dykes and shears.
Silver City now believes that the ELA5852 Wellington licence has potential to host porphyry copper-gold mineralisation and other styles of mineralisation, and that historical exploration was insufficient to test this potential.