04:28 AM EDT, 09/09/2026 (MT Newswires) -- Great Southern Copper (GSCU.L) launched an infill and extensional induced polarization geophysics survey at the Cerro Negro prospect within its Especularita project in Chile. The survey will comprise five lines of induced polarization resistivity for up to six line kilometers, providing 3D anomaly drill targeting, according to a Wednesday release. The results will help the copper-gold-silver exploration company set the final targets of its phase IV drilling program.

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