Projects Overview

Gold and Base Metals Exploration in Western Australia’s Yilgarn Province

Great Boulder has three high-quality exploration in Western Australia: two advanced gold projects at Side Well and Whiteheads within the world-class Yilgarn Province; and the Wellington zinc-lead project in the Earaheedy Basin. The Company’s main focus is the definition and evaluation of high-grade gold at the Mulga Bill prospect at Side Well, with the aim of moving this project into a Mineral Resource estimate and economic studies as quickly as possible.

With an experienced technical team supported by leading consultants the Company is at the forefront of state-of-the-art geological and geophysical exploration techniques, applying these in the field to maximise capital efficiency and exploration success.

At Meekatharra, Side Well is an advanced, high grade gold project adjacent to the historic Paddy’s Flat field. At the Mulga Bill-Flagpole trend drilling by Great Boulder has defined alteration and pathfinder mineralisation over 6km of strike, indicative of a large mineralised gold system. The Ironbark trend on the eastern side of the project contains the same stratigraphic package that host the Paddy’s Flat field with numerous gold and pathfinder anomalies that have yet to be tested by drilling. In November 2023, the company released an update to mineral resource estimates for Mulga Bill and Ironbark with the project now containing a global resource of 668,000 ounces.

Closer to Kalgoorlie, Whiteheads is an advanced gold project with multiple large-scale, coherent gold-in-soil anomalies that require drilling. The potential at Whitheads was confirmed in late 2019 with the discovery of previously unrecognised supergene gold mineralisation at Blue Poles, with thick zones of mineralisation defined over more than 450m of strike. The fresh rock potential at Blue Poles remains poorly tested with further exploration planned.

The Wellington Project is a greenfields exploration area located 140km west of Wiluna in the Earaheedy Basin. Recent work by Rumble Resources and Strickland Metals shows the basin has potential to become a world-class zinc-lead province.

  • Side Well [AU]

    The Mulga Bill deposit at Side Well is a company-making opportunity for Great Boulder with true million-ounce potential.

    Side Well [AU]

    The Mulga Bill deposit at Side Well is a company-making opportunity for Great Boulder with true million-ounce potential.

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  • WHITEHEADS (AU-NI)

    Straddling the Kalgoorlie and Kurnalpi geological terranes, Whiteheads hosts widespread gold-in-soil anomalism as well as potential for nickel sulphides.

    WHITEHEADS (AU-NI)

    Straddling the Kalgoorlie and Kurnalpi geological terranes, Whiteheads hosts widespread gold-in-soil anomalism as well as potential for nickel sulphides.

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  • WELLINGTON (ZN-PB)

    Located in the Earaheedy Basin in Western Australia, Wellington is a large greenfields project with potential for large-scale zinc-lead mineralisation.

    WELLINGTON (ZN-PB)

    Located in the Earaheedy Basin in Western Australia, Wellington is a large greenfields project with potential for large-scale zinc-lead mineralisation.

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