IronRidge Resources Limited (LON:IRR) has begun trench sample work at its Dorothe project in Chad after new gold zones were exposed by artisanal workings.
A new excavator will be used on an area of 1.8km x 1km at 200m trench spacing with the results to help identify drill targets.
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The excavation will also test for strike continuity from previous trenching results and for possible extensions concealed below recent cover sediments
Vincent Mascolo, chief executive said: "Regional soils and mapping programmes over the portfolio, as well as detailed structural mapping at Dorothe and Am Ouchar, will help us to prioritise prospects.
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“Dorothe represents an exciting, high-grade gold target with significant scale potential. It is one of multiple gold targets within the company's Chad portfolio."