Enigma drilling delivers for Sipa Resources

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THE DRILL SERGEANT: Sipa Resources (ASX: SRI) has completed three diamond drillholes for 410.9 metres of RC precollar and 941.6 metres of core at two Sub-prospects within the Enigma Secondary Copper Blanket at the company’s 100 per cent-owned Thaduna copper project, located in the Gascoyne region of Western Australia.

The company explained the aim of the program was to discover substantial thicknesses of primary copper sulphides, which may be part of the source, or sources, of the extensive – some 5 kilometres by up to 2 kilometres – Secondary Copper Blanket.

“We believe that this aim has now been achieved in two areas about 1.5 kilometres apart,” Sipa Resources said in its ASX announcement.

“Holes THD012 and 013 to the northeast and THD014 to the southwest.
 

“Analytical results for all of holes THD012 and 013 have been received, as have results from the precollar of THD014. The core from THD014 is still being cut.”

 

Cross Section B-B for THD014. Source: Company announcement

 

Results achieved from the drilling program include:

–    THD012 precollar – 63 metres at 1.1 per cent copper from 90 metres (reported 2 September 2013);

–    THD013 core – 29m at 1.1 per cent copper from 82m, followed by 11m at 0.2 per cent copper from 120m, 8m at 0.3 per cent copper from 135m and 6m at 0.4 per cent copper from 146m.

Sipa considers this result has confirmed the THD012 precollar intersection.

–    THD014 precollar – 18m at 0.8 per cent copper from 55m, including 5m at 1.9 per cent copper from 56m, within the Enigma Secondary Copper Blanket (core is still being cut).

“Whilst no metre samples of cut core are likely to return percent levels of copper in THD014, the alteration and widespread primary copper sulphide mineralisation between 278 metres and end of hole – some 288 metres – is the best indication to date, in fresh unweathered rock, of the very large ‘primary copper mineralised system’ that we are searching for,” Sipa said.

The company indicated its next phase of exploration at Enigma will be down hole Electromagnetic geophysical surveying (DHEM) of holes THD 012, 013 and 014.

DHEM is used to attempt to detect electrically conductive sulphide bodies, within around 100 metres of the hole being surveyed.

Sipa said such information would be critical in the planning of the next holes at Enigma.