Great Southern Copper PLC (LSE:GSCU) has reported outstanding assay results from Phase II drilling at its Mostaza Mine, located within the Cerro Negro prospect in Chile. The company revealed copper grades reaching as high as 10.4% and silver assays up to 672 grams per tonne, confirming the high-grade potential of the deposit. With mineralization located near the surface and in a low-altitude setting, the project offers favorable logistical and economic conditions for future development.
Following these strong results, the company is preparing to launch Phase III exploration activities, which will be guided by recent geophysical survey data. Great Southern Copper also retains an option to acquire full ownership of the Cerro Negro prospect, positioning itself well within the copper-silver mining space as demand for critical minerals continues to grow.
Despite these exploration successes, the company continues to face financial headwinds due to the absence of revenue and persistent negative cash flow. Although it maintains a solid equity base and benefits from encouraging technical developments and corporate momentum, the lack of a clear valuation and ongoing financial strain present challenges for investors evaluating long-term prospects.
About Great Southern Copper PLC
Great Southern Copper PLC is a UK-listed exploration company focused on discovering and developing copper and gold assets in Chile. Its primary activities center around the Cerro Negro prospect, including the Mostaza Mine, where the company is targeting high-grade copper and silver mineralization. With excellent access to regional infrastructure and mining expertise, Great Southern aims to capitalize on Chile’s globally significant copper resources.

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