Azure Minerals (ASX: AZS) has started diamond drilling at its Promontorio Project in Chihuahua, Mexico, to expand the high grade copper zone of the Cascada copper prospect and test nearby porphyry copper targets.
Previous drilling had returned high grade copper intercepts including 32.9 metres at 4.6% copper and 29.4 metres at 4.4% copper.
A recently completed Induced Polarisation geophysical survey identified two strong – a near-surface anomaly situated adjacent to and beneath the Cascada mineralisation and a large, deeper anomaly lies beneath both Cascada and the Promontorio deposit.
These anomalies could represent two different bodies containing substantial sulphide mineralisation.
The shallow anomaly may represent a feeder zone from the porphyry source at depth to the Cascada epithermal mineralisation at surface while the deeper anomaly is believed to represent a porphyry body which to date is completely untested by drilling.
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