viewTwenty Seven Co Ltd

Twenty Seven Co acquires cobalt-nickel prospect in WA

The project consists of around 211 square kilometres and includes an extensive Archean greenstone belt.

The Rover project is 140 kilometres west of Leonora

Twenty Seven Co Limited (ASX:TSC) has acquired an exploration licence for the Rover project in WA’s Yilgarn Craton through its wholly-owned subsidiary TSC Exploration Pty Ltd.

An initial desktop review has identified four high priority nickel and cobalt targets for follow-up.

The project is 140 kilometres west of Leonora and just 40 kilometres from St George Mining’s Mt Alexander Nickel Cobalt Project

“Exciting addition” to portfolio

Twenty Seven Co chief executive Ian Warland said: “The grant of the Rover project in the prospective greenstone belt, just 40 kilometres from Mt Alexander is an exciting addition to the company’s cobalt exploration portfolio.

“Rover has a number of historical cobalt and nickel targets which should benefit from the application of modern exploration techniques including EM to better rank and prioritise work going forward.”

High priority targets

The four nickel and cobalt targets are:

  • Christmas Pool nickel-cobalt target

  • Main Road nickel cobalt-target

  • Cook Well Bore nickel-cobalt target

  • Victory Bore komatiite target

Historically the area has had limited shallow exploration, which focused on gold and iron ore.

However, interpretation of aeromagnetic data suggests an east-west trending dyke analogous to St George Mining’s Mt Alexander Project.

Historical high-grade assays

The Christmas Pool nickel-cobalt target had historical drilling results of up to 23 metres at 0.22% nickel and 115ppm cobalt from surface.

Previous drilling for iron ore intersected up to 7 metres at 0.25% nickel and 374ppm cobalt from surface at the Main Road nickel-cobalt target.

Next steps

Previous exploration indicates modern EM targets have not been applied to the project as the focus remained primarily on gold and iron ore since the 1990s.

This provides the company with the opportunity to follow-up areas of nickel-cobalt anomalism with modern EM for more focused drill targeting.

Reconnaissance mapping and a geochemistry field trip is planned for March 2019 to better define the target areas prior to future geophysics and testing.

- Jessica Cummins


Quick facts: Twenty Seven Co Ltd

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Market: ASX
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