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Antipa Minerals identifies multiple gold and copper targets near Telfer mine in WA

A reverse circulation drilling program has begun to test the targets.

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The prospect is 12 kilometres along strike of Newcrest's Telfer mine

Antipa Minerals Ltd (ASX:AZY) has identified multiple copper and gold targets in an induced polarisation (IP) survey at the Tim’s Dome prospect within its Paterson Project in northern Western Australia.

A total of 11 targets were identified for drill testing, using both the IP survey data and historical exploration data, and a 7,000-metre reverse circulation (RC) drilling program to test the targets began this week.

Antipa also plans to follow up other recently discovered IP anomalies, untested historic IP anomalies and high-grade Telfer reef-style targets within the project.

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Tim’s Dome is part of the same geological structure that hosts the neighbouring Telfer Gold-Copper Mine operated by Newcrest Mining Ltd (ASX:NCM), which has produced more than 12 million ounces of gold.

The largest of the identified IP anomalies at the prospect represents a target for Telfer reef-style high-grade gold and copper mineralisation.

It extends for 1,000 metres and is 350 metres wide, lying under 3-5 metres of shallow sand cover on the eastern side of the prospect.

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Interpreted host rocks are equiValent to those which host Telfer’s Middle Vale and E-Reefs and the target has a comparable structural environment to Telfer.

This is indicated by: bedding conformable eastern limit; western limit of anomaly oblique to bedding; and east-west cross-cutting structures and bedding strike flexure.

These characteristics all are favourable for creating fluid conduits for gold and copper deposition.

High-grade, Telfer reef-style targets

Antipa’s interpretation of previous drilling completed at Tim’s Dome has defined an additional high-grade gold and copper Telfer reef-style target with a 1-kilometre strike length on the western side of the prospect.

Two or more shallowly-dipping and gently south-plunging reef horizons grading up to 32 g/t gold are interpreted to occur within a strike-extensive (plus-4 kilometres) steeply-dipping mineralised conduit.

These reefs also represent targets along the Tim’s Dome axis and eastern limb regions which are coincident with the identified IP anomalies.

Historic exploration at Tim’s Dome mainly focused on the western side which is sub-cropping and generally has low to moderate-grade gold mineralisation within a steeply dipping corridor.

The potential for high-grade shallow dipping Telfer reef-style gold targets has largely been overlooking during previous exploration, particularly on the sand-covered eastern limb of the dome.

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