Mining

Tambourah Metals uses new data to identify nickel-copper-PGE targets at Julimar North

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By Imelda Cotton - 
Tambourah Metals airborne gravity surveys ASX TMB Julimar North Bolgart East nickel copper platinum group elements PGE

Tambourah Metals will undertake airborne gravity surveys at Bolgart East and Tolarno mid-month.

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Newly-listed junior Tambourah Metals (ASX: TMB) has used detailed geophysical data to define potential target areas for possible mineralisation host stratigraphy at the Bolgart East prospect within the Julimar North nickel-copper-platinum group elements (PGE) project, northeast of Perth in Western Australia.

The company said it had received the geophysical interpretation, including public and private (open source) magnetic and gravity data along with locations of the initial targets, from consultant geophysicist Terra Resources.

It has since contracted specialist geophysical consultant Xcalibur Multiphysics to fly an airborne gravity gradient survey over the Bolgart and Tolarno prospects this month with a view to exploring for ultramafic intrusives, which are prospective for hosting mineralisation.

Tambourah executive chairperson Rita Brooks said the survey represented “an exciting first step” in realising the exploration potential of Julimar North.

Well-established region

The Bolgart East prospect is in a well-established region, approximately 38km northeast of Chalice Mining’s (ASX: CHN) recent Gonneville nickel-copper-PGE discovery and adjacent to Pursuit Minerals’ (ASX: PUR) Warrior project.

The prospect remains poorly explored for nickel and PGE occurrences due to a lack of outcropping, the predominance of farmland and a historic focus by past owners on gold.

At Gonneville, Chalice demonstrated that the approach of identifying prospective mafic-ultramafic intrusions from aeromagnetic data followed by the generation of drill targets with electromagnetic surveys could be an effective method for targeting nickel-copper-PGE sulphide mineralisation.

Ms Brooks said Tambourah would employ a similar exploration methodology across the Julimar North district to identify ultramafic bodies and mineralisation.

It would also undertake interpretation of the available geophysical exploration data with Terra Resources to define corridors prospective to hosting mafic-ultramafic rock units.

These will be followed-up with ground reconnaissance work scheduled to commence in November.

Largest explorer

Tambourah Metals is one of the largest explorers in an emerging mineral field which hosts the Julimar nickel-copper-cobalt-PGE deposit owned by Chalice.

Since acquiring the Julimar North project last year, Tambourah has conducted multidisciplinary reviews across the acreage which have contributed to a local interpretation of the geological framework as well as the nickel-copper-PGE and copper-gold potential.