Azure Minerals’ (ASX: AZS) drilling has extended the copper mineralised system at its Cascada copper-gold-silver project in Mexico to the east while confirming the presence of a surrounding halo of gold mineralisation.
Notably, the high grade copper zone remains open along strike and down dip, highlighting the potential to expand the mineralised system at Cascada with further drilling, making it the company’s second major copper deposit.
The latest highlights from the diamond drilling include 19 metres at 6% copper equivalent, 17 metres at 2.3% copper equivalent and 10 metres at 4.6% copper equivalent.
This copper sulphide mineralisation commences at 20 to 30 metres below surface and in the latest holes mostly comprises disseminated chalcocite.
The gold mineralisation in the halo is thick and commences at or close to surface with notable results of 114 metres at 2.4 grams per tonne gold, 100 metres at 1g/t gold and 129 metres at 0.7g/t gold.
Assays have now been received from the first 12 holes of the 18-hole program.
The close-spaced drill pattern may allow Azure to estimate a mineral resource from this first phase drilling program though further drilling will be required to delineate the strike and depth extensions and to define the boundaries of the overall mineralised system.
Cascada and Azure’s other project Promontorio form separate parts of a high-sulphidation, epithermal system where base and precious metal mineralisation comprises massive, semi-massive and disseminated copper sulphides hosted in vuggy silica and silicified host rocks..
The company believes that beneath Cascada and Promontorio is a porphyry copper body which was the source of the copper, gold and silver mineralisation and is likely to be mineralised in its own right.
Future exploration will follow up the depth extensions of the Cascada mineralised system to search for the feeder zone or connection to the porphyry copper target.
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