Colluli Drilling Intersects Shallowest Ever Potash Deposit

South Boulder Mines’ Colluli Potash deposit in Eritrea is not only the world’s shallowest potash deposit but the world’s first, modern, open pit potash mine By Proactive Investor, South Boulder Mines (ASX:STB) has intersected the shallowest potash deposits of 1.25 metres at 38.88% KCl (potassium chloride) at the Colluli Area A resource in Eritrea following shallow […]

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