en.Wedoany.com Reported - Great Western Exploration has initiated a 3,000-meter air-core drilling program at the Diorama copper-gold target within the Yerrida North Project in Western Australia.
The Diorama target is located in the Yerrida Basin, approximately 70 kilometers from Sandfire Resources' DeGrussa copper-gold deposit. This target is considered a potential DeGrussa-style mineral system, initially identified due to significant copper anomalies. The project is situated about 800 kilometers northeast of Perth, adjacent to the Bryah Basin, known for the DeGrussa and Monty copper-gold deposits, which are classified as volcanic-hosted massive sulfide systems.
Diorama has never been drilled before. Field mapping has revealed limonitic quartz associated with limited surface outcrops, with some mapped areas extending over 100 meters. Most of the target area has shallow cover, potentially concealing copper mineralization beneath the surface. The current plan aims to test copper anomalies in the area and further investigate the limonitic outcrop zones.
Great Western Exploration stated that the presence of limonitic quartz may indicate strongly weathered sulfides beneath the surface, which could be associated with copper-gold mineralization. Observations also show that these limonitic units are interbedded with siltstone and shale.
After completing the Diorama air-core drilling, the company plans to conduct reverse circulation drilling at six copper-gold targets near its Juggernaut project. This phase is expected to begin in July 2026, followed by planned drilling at the Baroo copper-gold target. The Juggernaut targets include Archer, Falconer, Howard, Palmer, Seymour, and Smith, identified through stratigraphic, structural, and geochemical assessments, covering a broad copper-lead-zinc anomaly. Additionally, Great Western Exploration plans to advance exploration of other copper-gold targets in the Yerrida Basin, aiming to bring more areas to a drill-ready stage.
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