Hemi Project
The Hemi Gold Project is a low-cost, long-life, large-scale gold development project located in the Pilbara region of Western Australia.
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*Mineral Resources and Ore Reserves estimates as released to the ASX in De Grey’s announcement “Hemi Gold Project Mineral Resource Estimate 2024” on 14 November 2024
Northern Star acquired the Hemi Gold Project from De Grey Mining Limited by way of a Court-approved Scheme of Arrangement on 5 May 2025.
The Hemi discovery is an intrusion-hosted form of gold mineralisation new to the Pilbara region and shows a scale of mineralisation not previously encountered in the Mallina Basin. Gold mineralisation at Hemi is hosted in a series of intrusions associated with stringer and disseminated sulphide rich zones.
The high value of the discovery is driven by its size, grade continuity and growth potential. Hemi has a mineral estimate of 11.2Moz and the potential to be mined by large-scale, low strip ratio, low-cost open pit mining.
Hemi currently comprises six main zones – Aquila, Brolga, Crow, Diucon, Eagle and Falcon. Mineralisation has been confirmed over an area of +2,000m north-south, +3,500m east-west and to depths of up to 500m in some areas. Hemi remains open in multiple directions and significant potential remains to further extend mineralisation.
